diff mbox

i2c: don't print error when adding adapter fails

Message ID 1470742581-12971-2-git-send-email-wsa-dev@sang-engineering.com
State Not Applicable
Headers show

Commit Message

Wolfram Sang Aug. 9, 2016, 11:36 a.m. UTC
The core will do this for us now.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
---
 drivers/i2c/busses/i2c-amd756.c         | 5 +----
 drivers/i2c/busses/i2c-at91.c           | 2 --
 drivers/i2c/busses/i2c-axxia.c          | 8 +-------
 drivers/i2c/busses/i2c-bcm-iproc.c      | 8 +-------
 drivers/i2c/busses/i2c-bcm-kona.c       | 4 +---
 drivers/i2c/busses/i2c-bfin-twi.c       | 4 +---
 drivers/i2c/busses/i2c-brcmstb.c        | 4 +---
 drivers/i2c/busses/i2c-cadence.c        | 4 +---
 drivers/i2c/busses/i2c-cpm.c            | 4 +---
 drivers/i2c/busses/i2c-cros-ec-tunnel.c | 4 +---
 drivers/i2c/busses/i2c-davinci.c        | 4 +---
 drivers/i2c/busses/i2c-diolan-u2c.c     | 4 +---
 drivers/i2c/busses/i2c-dln2.c           | 4 +---
 drivers/i2c/busses/i2c-efm32.c          | 1 -
 drivers/i2c/busses/i2c-exynos5.c        | 4 +---
 drivers/i2c/busses/i2c-hix5hd2.c        | 4 +---
 drivers/i2c/busses/i2c-i801.c           | 1 -
 drivers/i2c/busses/i2c-ibm_iic.c        | 4 +---
 drivers/i2c/busses/i2c-img-scb.c        | 4 +---
 drivers/i2c/busses/i2c-imx.c            | 4 +---
 drivers/i2c/busses/i2c-isch.c           | 4 +---
 drivers/i2c/busses/i2c-ismt.c           | 4 +---
 drivers/i2c/busses/i2c-jz4780.c         | 4 +---
 drivers/i2c/busses/i2c-lpc2k.c          | 4 +---
 drivers/i2c/busses/i2c-meson.c          | 1 -
 drivers/i2c/busses/i2c-mpc.c            | 4 +---
 drivers/i2c/busses/i2c-mt65xx.c         | 4 +---
 drivers/i2c/busses/i2c-mxs.c            | 1 -
 drivers/i2c/busses/i2c-nforce2.c        | 1 -
 drivers/i2c/busses/i2c-nomadik.c        | 4 +---
 drivers/i2c/busses/i2c-ocores.c         | 4 +---
 drivers/i2c/busses/i2c-octeon.c         | 4 +---
 drivers/i2c/busses/i2c-omap.c           | 4 +---
 drivers/i2c/busses/i2c-piix4.c          | 1 -
 drivers/i2c/busses/i2c-pmcmsp.c         | 4 +---
 drivers/i2c/busses/i2c-pnx.c            | 4 +---
 drivers/i2c/busses/i2c-puv3.c           | 5 +----
 drivers/i2c/busses/i2c-pxa.c            | 4 +---
 drivers/i2c/busses/i2c-rcar.c           | 4 +---
 drivers/i2c/busses/i2c-riic.c           | 4 +---
 drivers/i2c/busses/i2c-rk3x.c           | 4 +---
 drivers/i2c/busses/i2c-s3c2410.c        | 1 -
 drivers/i2c/busses/i2c-sh7760.c         | 4 +---
 drivers/i2c/busses/i2c-sh_mobile.c      | 1 -
 drivers/i2c/busses/i2c-sirf.c           | 4 +---
 drivers/i2c/busses/i2c-st.c             | 4 +---
 drivers/i2c/busses/i2c-stu300.c         | 5 +----
 drivers/i2c/busses/i2c-tegra.c          | 4 +---
 drivers/i2c/busses/i2c-uniphier-f.c     | 7 +------
 drivers/i2c/busses/i2c-uniphier.c       | 7 +------
 drivers/i2c/busses/i2c-wmt.c            | 4 +---
 drivers/i2c/busses/i2c-xgene-slimpro.c  | 1 -
 drivers/i2c/busses/i2c-xiic.c           | 1 -
 drivers/i2c/busses/i2c-xlp9xx.c         | 4 +---
 drivers/i2c/busses/i2c-xlr.c            | 4 +---
 55 files changed, 44 insertions(+), 161 deletions(-)

Comments

Grygorii Strashko Aug. 9, 2016, 11:47 a.m. UTC | #1
On 08/09/2016 02:36 PM, Wolfram Sang wrote:
> The core will do this for us now.
>
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---

For:
>  drivers/i2c/busses/i2c-davinci.c        | 4 +---
>  drivers/i2c/busses/i2c-omap.c           | 4 +---

Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Peter Korsgaard Aug. 9, 2016, 11:48 a.m. UTC | #2
>>>>> "Wolfram" == Wolfram Sang <wsa-dev@sang-engineering.com> writes:

 > The core will do this for us now.
 > Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
 > ---
 >  drivers/i2c/busses/i2c-ocores.c         | 4 +---

For i2c-ocores.c:

Acked-by: Peter Korsgaard <peter@korsgaard.com>
Uwe Kleine-König Aug. 9, 2016, 11:57 a.m. UTC | #3
Hello Wolfram,

On Tue, Aug 09, 2016 at 01:36:17PM +0200, Wolfram Sang wrote:
> The core will do this for us now.

Would be nice to point out the relevant commit that changed the core in
the commit log.

Best regards
Uwe
Heiko Stübner Aug. 9, 2016, 12:13 p.m. UTC | #4
Am Dienstag, 9. August 2016, 13:36:17 schrieb Wolfram Sang:
> The core will do this for us now.
> 
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---

[...]

> diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> index 2bc8b01153d619..3b87afe82f6394 100644
> --- a/drivers/i2c/busses/i2c-rk3x.c
> +++ b/drivers/i2c/busses/i2c-rk3x.c
> @@ -1303,10 +1303,8 @@ static int rk3x_i2c_probe(struct platform_device
> *pdev) rk3x_i2c_adapt_div(i2c, clk_rate);
> 
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "Could not register adapter\n");
> +	if (ret < 0)
>  		goto err_clk_notifier;
> -	}
> 
>  	dev_info(&pdev->dev, "Initialized RK3xxx I2C bus at %p\n", i2c->regs);

for Rockchip
Acked-by: Heiko Stuebner <heiko@sntech.de>
Neil Horman Aug. 9, 2016, 12:55 p.m. UTC | #5
On Tue, Aug 09, 2016 at 01:36:17PM +0200, Wolfram Sang wrote:
> The core will do this for us now.
> 
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---
>  drivers/i2c/busses/i2c-amd756.c         | 5 +----
>  drivers/i2c/busses/i2c-at91.c           | 2 --
>  drivers/i2c/busses/i2c-axxia.c          | 8 +-------
>  drivers/i2c/busses/i2c-bcm-iproc.c      | 8 +-------
>  drivers/i2c/busses/i2c-bcm-kona.c       | 4 +---
>  drivers/i2c/busses/i2c-bfin-twi.c       | 4 +---
>  drivers/i2c/busses/i2c-brcmstb.c        | 4 +---
>  drivers/i2c/busses/i2c-cadence.c        | 4 +---
>  drivers/i2c/busses/i2c-cpm.c            | 4 +---
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c | 4 +---
>  drivers/i2c/busses/i2c-davinci.c        | 4 +---
>  drivers/i2c/busses/i2c-diolan-u2c.c     | 4 +---
>  drivers/i2c/busses/i2c-dln2.c           | 4 +---
>  drivers/i2c/busses/i2c-efm32.c          | 1 -
>  drivers/i2c/busses/i2c-exynos5.c        | 4 +---
>  drivers/i2c/busses/i2c-hix5hd2.c        | 4 +---
>  drivers/i2c/busses/i2c-i801.c           | 1 -
>  drivers/i2c/busses/i2c-ibm_iic.c        | 4 +---
>  drivers/i2c/busses/i2c-img-scb.c        | 4 +---
>  drivers/i2c/busses/i2c-imx.c            | 4 +---
>  drivers/i2c/busses/i2c-isch.c           | 4 +---
>  drivers/i2c/busses/i2c-ismt.c           | 4 +---
>  drivers/i2c/busses/i2c-jz4780.c         | 4 +---
>  drivers/i2c/busses/i2c-lpc2k.c          | 4 +---
>  drivers/i2c/busses/i2c-meson.c          | 1 -
>  drivers/i2c/busses/i2c-mpc.c            | 4 +---
>  drivers/i2c/busses/i2c-mt65xx.c         | 4 +---
>  drivers/i2c/busses/i2c-mxs.c            | 1 -
>  drivers/i2c/busses/i2c-nforce2.c        | 1 -
>  drivers/i2c/busses/i2c-nomadik.c        | 4 +---
>  drivers/i2c/busses/i2c-ocores.c         | 4 +---
>  drivers/i2c/busses/i2c-octeon.c         | 4 +---
>  drivers/i2c/busses/i2c-omap.c           | 4 +---
>  drivers/i2c/busses/i2c-piix4.c          | 1 -
>  drivers/i2c/busses/i2c-pmcmsp.c         | 4 +---
>  drivers/i2c/busses/i2c-pnx.c            | 4 +---
>  drivers/i2c/busses/i2c-puv3.c           | 5 +----
>  drivers/i2c/busses/i2c-pxa.c            | 4 +---
>  drivers/i2c/busses/i2c-rcar.c           | 4 +---
>  drivers/i2c/busses/i2c-riic.c           | 4 +---
>  drivers/i2c/busses/i2c-rk3x.c           | 4 +---
>  drivers/i2c/busses/i2c-s3c2410.c        | 1 -
>  drivers/i2c/busses/i2c-sh7760.c         | 4 +---
>  drivers/i2c/busses/i2c-sh_mobile.c      | 1 -
>  drivers/i2c/busses/i2c-sirf.c           | 4 +---
>  drivers/i2c/busses/i2c-st.c             | 4 +---
>  drivers/i2c/busses/i2c-stu300.c         | 5 +----
>  drivers/i2c/busses/i2c-tegra.c          | 4 +---
>  drivers/i2c/busses/i2c-uniphier-f.c     | 7 +------
>  drivers/i2c/busses/i2c-uniphier.c       | 7 +------
>  drivers/i2c/busses/i2c-wmt.c            | 4 +---
>  drivers/i2c/busses/i2c-xgene-slimpro.c  | 1 -
>  drivers/i2c/busses/i2c-xiic.c           | 1 -
>  drivers/i2c/busses/i2c-xlp9xx.c         | 4 +---
>  drivers/i2c/busses/i2c-xlr.c            | 4 +---
>  55 files changed, 44 insertions(+), 161 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
> index 6c7113d990f882..274908cd1fdeab 100644
> --- a/drivers/i2c/busses/i2c-amd756.c
> +++ b/drivers/i2c/busses/i2c-amd756.c
> @@ -378,11 +378,8 @@ static int amd756_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>  		 amd756_ioport);
>  
>  	error = i2c_add_adapter(&amd756_smbus);
> -	if (error) {
> -		dev_err(&pdev->dev,
> -			"Adapter registration failed, module not inserted\n");
> +	if (error)
>  		goto out_err;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
> index f23372669f770f..03a519d29616d7 100644
> --- a/drivers/i2c/busses/i2c-at91.c
> +++ b/drivers/i2c/busses/i2c-at91.c
> @@ -1118,8 +1118,6 @@ static int at91_twi_probe(struct platform_device *pdev)
>  
>  	rc = i2c_add_numbered_adapter(&dev->adapter);
>  	if (rc) {
> -		dev_err(dev->dev, "Adapter %s registration failed\n",
> -			dev->adapter.name);
>  		clk_disable_unprepare(dev->clk);
>  
>  		pm_runtime_disable(dev->dev);
> diff --git a/drivers/i2c/busses/i2c-axxia.c b/drivers/i2c/busses/i2c-axxia.c
> index c335cc7852f94e..d3bcaf4ab095d0 100644
> --- a/drivers/i2c/busses/i2c-axxia.c
> +++ b/drivers/i2c/busses/i2c-axxia.c
> @@ -558,13 +558,7 @@ static int axxia_i2c_probe(struct platform_device *pdev)
>  
>  	platform_set_drvdata(pdev, idev);
>  
> -	ret = i2c_add_adapter(&idev->adapter);
> -	if (ret) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> -		return ret;
> -	}
> -
> -	return 0;
> +	return i2c_add_adapter(&idev->adapter);
>  }
>  
>  static int axxia_i2c_remove(struct platform_device *pdev)
> diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
> index 19c843828fe2ca..8e3477f9297eda 100644
> --- a/drivers/i2c/busses/i2c-bcm-iproc.c
> +++ b/drivers/i2c/busses/i2c-bcm-iproc.c
> @@ -488,13 +488,7 @@ static int bcm_iproc_i2c_probe(struct platform_device *pdev)
>  	adap->dev.parent = &pdev->dev;
>  	adap->dev.of_node = pdev->dev.of_node;
>  
> -	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(iproc_i2c->device, "failed to add adapter\n");
> -		return ret;
> -	}
> -
> -	return 0;
> +	return i2c_add_adapter(adap);
>  }
>  
>  static int bcm_iproc_i2c_remove(struct platform_device *pdev)
> diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c
> index ac9f47679c3a4b..a5c9098507896b 100644
> --- a/drivers/i2c/busses/i2c-bcm-kona.c
> +++ b/drivers/i2c/busses/i2c-bcm-kona.c
> @@ -858,10 +858,8 @@ static int bcm_kona_i2c_probe(struct platform_device *pdev)
>  	adap->dev.of_node = pdev->dev.of_node;
>  
>  	rc = i2c_add_adapter(adap);
> -	if (rc) {
> -		dev_err(dev->device, "failed to add adapter\n");
> +	if (rc)
>  		return rc;
> -	}
>  
>  	dev_info(dev->device, "device registered successfully\n");
>  
> diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
> index 025686d4164058..29d00c4f7824c2 100644
> --- a/drivers/i2c/busses/i2c-bfin-twi.c
> +++ b/drivers/i2c/busses/i2c-bfin-twi.c
> @@ -685,10 +685,8 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev)
>  	write_CONTROL(iface, read_CONTROL(iface) | TWI_ENA);
>  
>  	rc = i2c_add_numbered_adapter(p_adap);
> -	if (rc < 0) {
> -		dev_err(&pdev->dev, "Can't add i2c adapter!\n");
> +	if (rc < 0)
>  		goto out_error;
> -	}
>  
>  	platform_set_drvdata(pdev, iface);
>  
> diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
> index 3f5a4d71d3bf32..bc5c176e984aea 100644
> --- a/drivers/i2c/busses/i2c-brcmstb.c
> +++ b/drivers/i2c/busses/i2c-brcmstb.c
> @@ -648,10 +648,8 @@ static int brcmstb_i2c_probe(struct platform_device *pdev)
>  	adap->dev.parent = &pdev->dev;
>  	adap->dev.of_node = pdev->dev.of_node;
>  	rc = i2c_add_adapter(adap);
> -	if (rc) {
> -		dev_err(dev->device, "failed to add adapter\n");
> +	if (rc)
>  		goto probe_errorout;
> -	}
>  
>  	dev_info(dev->device, "%s@%dhz registered in %s mode\n",
>  		 int_name ? int_name : " ", dev->clk_freq_hz,
> diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
> index 90bbd9f9dd8f77..1cc1e79e958d56 100644
> --- a/drivers/i2c/busses/i2c-cadence.c
> +++ b/drivers/i2c/busses/i2c-cadence.c
> @@ -963,10 +963,8 @@ static int cdns_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_adapter(&id->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "reg adap failed: %d\n", ret);
> +	if (ret < 0)
>  		goto err_clk_dis;
> -	}
>  
>  	/*
>  	 * Cadence I2C controller has a bug wherein it generates
> diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
> index ee57c1e865e271..d89bde2c5da256 100644
> --- a/drivers/i2c/busses/i2c-cpm.c
> +++ b/drivers/i2c/busses/i2c-cpm.c
> @@ -665,10 +665,8 @@ static int cpm_i2c_probe(struct platform_device *ofdev)
>  	cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1;
>  	result = i2c_add_numbered_adapter(&cpm->adap);
>  
> -	if (result < 0) {
> -		dev_err(&ofdev->dev, "Unable to register with I2C\n");
> +	if (result < 0)
>  		goto out_shut;
> -	}
>  
>  	dev_dbg(&ofdev->dev, "hw routines for %s registered.\n",
>  		cpm->adap.name);
> diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> index a0d95ff682ae12..cf334a9ec22cb7 100644
> --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> @@ -281,10 +281,8 @@ static int ec_i2c_probe(struct platform_device *pdev)
>  	bus->adap.retries = I2C_MAX_RETRIES;
>  
>  	err = i2c_add_adapter(&bus->adap);
> -	if (err) {
> -		dev_err(dev, "cannot register i2c adapter\n");
> +	if (err)
>  		return err;
> -	}
>  	platform_set_drvdata(pdev, bus);
>  
>  	return err;
> diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
> index a8bdcb5292f5b3..9e7ef5cf5d495d 100644
> --- a/drivers/i2c/busses/i2c-davinci.c
> +++ b/drivers/i2c/busses/i2c-davinci.c
> @@ -846,10 +846,8 @@ static int davinci_i2c_probe(struct platform_device *pdev)
>  
>  	adap->nr = pdev->id;
>  	r = i2c_add_numbered_adapter(adap);
> -	if (r) {
> -		dev_err(&pdev->dev, "failure adding adapter\n");
> +	if (r)
>  		goto err_unuse_clocks;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
> index b19a310bf9b3e8..f718ee4e3332fe 100644
> --- a/drivers/i2c/busses/i2c-diolan-u2c.c
> +++ b/drivers/i2c/busses/i2c-diolan-u2c.c
> @@ -487,10 +487,8 @@ static int diolan_u2c_probe(struct usb_interface *interface,
>  
>  	/* and finally attach to i2c layer */
>  	ret = i2c_add_adapter(&dev->adapter);
> -	if (ret < 0) {
> -		dev_err(&interface->dev, "failed to add I2C adapter\n");
> +	if (ret < 0)
>  		goto error_free;
> -	}
>  
>  	dev_dbg(&interface->dev, "connected " DRIVER_NAME "\n");
>  
> diff --git a/drivers/i2c/busses/i2c-dln2.c b/drivers/i2c/busses/i2c-dln2.c
> index f2eb4f76591fbe..8acda2aa15583c 100644
> --- a/drivers/i2c/busses/i2c-dln2.c
> +++ b/drivers/i2c/busses/i2c-dln2.c
> @@ -228,10 +228,8 @@ static int dln2_i2c_probe(struct platform_device *pdev)
>  
>  	/* and finally attach to i2c layer */
>  	ret = i2c_add_adapter(&dln2->adapter);
> -	if (ret < 0) {
> -		dev_err(dev, "failed to add I2C adapter: %d\n", ret);
> +	if (ret < 0)
>  		goto out_disable;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-efm32.c b/drivers/i2c/busses/i2c-efm32.c
> index e253598d764c0d..aa336ba89aa3fe 100644
> --- a/drivers/i2c/busses/i2c-efm32.c
> +++ b/drivers/i2c/busses/i2c-efm32.c
> @@ -438,7 +438,6 @@ static int efm32_i2c_probe(struct platform_device *pdev)
>  
>  	ret = i2c_add_adapter(&ddata->adapter);
>  	if (ret) {
> -		dev_err(&pdev->dev, "failed to add i2c adapter (%d)\n", ret);
>  		free_irq(ddata->irq, ddata);
>  
>  err_disable_clk:
> diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
> index c0e3ada028763d..bea607149972d4 100644
> --- a/drivers/i2c/busses/i2c-exynos5.c
> +++ b/drivers/i2c/busses/i2c-exynos5.c
> @@ -796,10 +796,8 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
>  	exynos5_i2c_reset(i2c);
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
> +	if (ret < 0)
>  		goto err_clk;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c);
>  
> diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c
> index 7c6966434ee7b9..ae7f3180f7e887 100644
> --- a/drivers/i2c/busses/i2c-hix5hd2.c
> +++ b/drivers/i2c/busses/i2c-hix5hd2.c
> @@ -478,10 +478,8 @@ static int hix5hd2_i2c_probe(struct platform_device *pdev)
>  	pm_runtime_enable(priv->dev);
>  
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
> +	if (ret < 0)
>  		goto err_runtime;
> -	}
>  
>  	return ret;
>  
> diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
> index 5ef9b733d153fa..22a0ed4de80da0 100644
> --- a/drivers/i2c/busses/i2c-i801.c
> +++ b/drivers/i2c/busses/i2c-i801.c
> @@ -1613,7 +1613,6 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
>  		"SMBus I801 adapter at %04lx", priv->smba);
>  	err = i2c_add_adapter(&priv->adapter);
>  	if (err) {
> -		dev_err(&dev->dev, "Failed to add SMBus adapter\n");
>  		i801_acpi_remove(priv);
>  		return err;
>  	}
> diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
> index cdaa7be2cd1b94..412b91d255ad1d 100644
> --- a/drivers/i2c/busses/i2c-ibm_iic.c
> +++ b/drivers/i2c/busses/i2c-ibm_iic.c
> @@ -751,10 +751,8 @@ static int iic_probe(struct platform_device *ofdev)
>  	adap->timeout = HZ;
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret  < 0) {
> -		dev_err(&ofdev->dev, "failed to register i2c adapter\n");
> +	if (ret  < 0)
>  		goto error_cleanup;
> -	}
>  
>  	dev_info(&ofdev->dev, "using %s mode\n",
>  		 dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");
> diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c
> index ea20425b697217..db8e8b40569d98 100644
> --- a/drivers/i2c/busses/i2c-img-scb.c
> +++ b/drivers/i2c/busses/i2c-img-scb.c
> @@ -1394,10 +1394,8 @@ static int img_i2c_probe(struct platform_device *pdev)
>  		goto disable_clk;
>  
>  	ret = i2c_add_numbered_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> +	if (ret < 0)
>  		goto disable_clk;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index 1844bc9f7cd5a2..cb11eee9567318 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1129,10 +1129,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
>  
>  	/* Add I2C adapter */
>  	ret = i2c_add_numbered_adapter(&i2c_imx->adapter);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "registration failed\n");
> +	if (ret < 0)
>  		goto rpm_disable;
> -	}
>  
>  	pm_runtime_mark_last_busy(&pdev->dev);
>  	pm_runtime_put_autosuspend(&pdev->dev);
> diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
> index c2f25f19d76f9b..0cf1379f4e8091 100644
> --- a/drivers/i2c/busses/i2c-isch.c
> +++ b/drivers/i2c/busses/i2c-isch.c
> @@ -288,10 +288,8 @@ static int smbus_sch_probe(struct platform_device *dev)
>  		"SMBus SCH adapter at %04x", sch_smba);
>  
>  	retval = i2c_add_adapter(&sch_adapter);
> -	if (retval) {
> -		dev_err(&dev->dev, "Couldn't register adapter!\n");
> +	if (retval)
>  		sch_smba = 0;
> -	}
>  
>  	return retval;
>  }
> diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
> index 1c870771009840..f573448d213216 100644
> --- a/drivers/i2c/busses/i2c-ismt.c
> +++ b/drivers/i2c/busses/i2c-ismt.c
> @@ -922,10 +922,8 @@ ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>  		return err;
>  
>  	err = i2c_add_adapter(&priv->adapter);
> -	if (err) {
> -		dev_err(&pdev->dev, "Failed to add SMBus iSMT adapter\n");
> +	if (err)
>  		return -ENODEV;
> -	}
>  	return 0;
>  }
>  
> diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c
> index cd9872594fe2a0..b8ea62105f42c9 100644
> --- a/drivers/i2c/busses/i2c-jz4780.c
> +++ b/drivers/i2c/busses/i2c-jz4780.c
> @@ -798,10 +798,8 @@ static int jz4780_i2c_probe(struct platform_device *pdev)
>  		goto err;
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "Failed to add bus\n");
> +	if (ret < 0)
>  		goto err;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
> index 586a15205e61de..9b1fef455a895d 100644
> --- a/drivers/i2c/busses/i2c-lpc2k.c
> +++ b/drivers/i2c/busses/i2c-lpc2k.c
> @@ -432,10 +432,8 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
>  	i2c->adap.dev.of_node = pdev->dev.of_node;
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add adapter!\n");
> +	if (ret < 0)
>  		goto fail_clk;
> -	}
>  
>  	dev_info(&pdev->dev, "LPC2K I2C adapter\n");
>  
> diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
> index 71d3929adf54ed..102d2b91771f35 100644
> --- a/drivers/i2c/busses/i2c-meson.c
> +++ b/drivers/i2c/busses/i2c-meson.c
> @@ -453,7 +453,6 @@ static int meson_i2c_probe(struct platform_device *pdev)
>  
>  	ret = i2c_add_adapter(&i2c->adap);
>  	if (ret < 0) {
> -		dev_err(&pdev->dev, "can't register adapter\n");
>  		clk_unprepare(i2c->clk);
>  		return ret;
>  	}
> diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
> index 48ecffecc0eda3..565a49a0c56410 100644
> --- a/drivers/i2c/busses/i2c-mpc.c
> +++ b/drivers/i2c/busses/i2c-mpc.c
> @@ -737,10 +737,8 @@ static int fsl_i2c_probe(struct platform_device *op)
>  	i2c->adap.dev.of_node = of_node_get(op->dev.of_node);
>  
>  	result = i2c_add_adapter(&i2c->adap);
> -	if (result < 0) {
> -		dev_err(i2c->dev, "failed to add adapter\n");
> +	if (result < 0)
>  		goto fail_add;
> -	}
>  
>  	return result;
>  
> diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
> index d9373e60be8ae3..4a7d9bc2142ba3 100644
> --- a/drivers/i2c/busses/i2c-mt65xx.c
> +++ b/drivers/i2c/busses/i2c-mt65xx.c
> @@ -786,10 +786,8 @@ static int mtk_i2c_probe(struct platform_device *pdev)
>  
>  	i2c_set_adapdata(&i2c->adap, i2c);
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add i2c bus to i2c core\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c);
>  
> diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
> index 033846cdf26622..5738556b6aac20 100644
> --- a/drivers/i2c/busses/i2c-mxs.c
> +++ b/drivers/i2c/busses/i2c-mxs.c
> @@ -868,7 +868,6 @@ static int mxs_i2c_probe(struct platform_device *pdev)
>  	i2c_set_adapdata(adap, i2c);
>  	err = i2c_add_numbered_adapter(adap);
>  	if (err) {
> -		dev_err(dev, "Failed to add adapter (%d)\n", err);
>  		writel(MXS_I2C_CTRL0_SFTRST,
>  				i2c->regs + MXS_I2C_CTRL0_SET);
>  		return err;
> diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
> index 42fcc9458432f8..374b35e7e450ce 100644
> --- a/drivers/i2c/busses/i2c-nforce2.c
> +++ b/drivers/i2c/busses/i2c-nforce2.c
> @@ -366,7 +366,6 @@ static int nforce2_probe_smb(struct pci_dev *dev, int bar, int alt_reg,
>  
>  	error = i2c_add_adapter(&smbus->adapter);
>  	if (error) {
> -		dev_err(&smbus->adapter.dev, "Failed to register adapter.\n");
>  		release_region(smbus->base, smbus->size);
>  		return error;
>  	}
> diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
> index bcd17e8cbcb4b3..da6609d628487b 100644
> --- a/drivers/i2c/busses/i2c-nomadik.c
> +++ b/drivers/i2c/busses/i2c-nomadik.c
> @@ -1046,10 +1046,8 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
>  		 adap->name, dev->virtbase);
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(&adev->dev, "failed to add adapter\n");
> +	if (ret)
>  		goto err_no_adap;
> -	}
>  
>  	pm_runtime_put(&adev->dev);
>  
> diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
> index dfa7a4b4a91d78..92692349d0c328 100644
> --- a/drivers/i2c/busses/i2c-ocores.c
> +++ b/drivers/i2c/busses/i2c-ocores.c
> @@ -492,10 +492,8 @@ static int ocores_i2c_probe(struct platform_device *pdev)
>  
>  	/* add i2c adapter to i2c tree */
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	/* add in known devices to the bus */
>  	if (pdata) {
> diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c
> index 30ae35146723a4..b75d2da79b27c5 100644
> --- a/drivers/i2c/busses/i2c-octeon.c
> +++ b/drivers/i2c/busses/i2c-octeon.c
> @@ -1213,10 +1213,8 @@ static int octeon_i2c_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, i2c);
>  
>  	result = i2c_add_adapter(&i2c->adap);
> -	if (result < 0) {
> -		dev_err(i2c->dev, "failed to add adapter\n");
> +	if (result < 0)
>  		goto out;
> -	}
>  	dev_info(i2c->dev, "probed\n");
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index ab1279b8e2407a..c7da0c42baeefa 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -1425,10 +1425,8 @@ omap_i2c_probe(struct platform_device *pdev)
>  	/* i2c device drivers may be active on return from add_adapter() */
>  	adap->nr = pdev->id;
>  	r = i2c_add_numbered_adapter(adap);
> -	if (r) {
> -		dev_err(omap->dev, "failure adding adapter\n");
> +	if (r)
>  		goto err_unuse_clocks;
> -	}
>  
>  	dev_info(omap->dev, "bus %d rev%d.%d at %d kHz\n", adap->nr,
>  		 major, minor, omap->speed);
> diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
> index 23d1c167b5d752..c2268cdf38e823 100644
> --- a/drivers/i2c/busses/i2c-piix4.c
> +++ b/drivers/i2c/busses/i2c-piix4.c
> @@ -694,7 +694,6 @@ static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba,
>  
>  	retval = i2c_add_adapter(adap);
>  	if (retval) {
> -		dev_err(&dev->dev, "Couldn't register adapter!\n");
>  		kfree(adapdata);
>  		kfree(adap);
>  		release_region(smba, SMBIOSIZE);
> diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c
> index 2c40edbf6224eb..217c78711d6501 100644
> --- a/drivers/i2c/busses/i2c-pmcmsp.c
> +++ b/drivers/i2c/busses/i2c-pmcmsp.c
> @@ -329,10 +329,8 @@ static int pmcmsptwi_probe(struct platform_device *pldev)
>  	i2c_set_adapdata(&pmcmsptwi_adapter, &pmcmsptwi_data);
>  
>  	rc = i2c_add_adapter(&pmcmsptwi_adapter);
> -	if (rc) {
> -		dev_err(&pldev->dev, "Unable to register I2C adapter\n");
> +	if (rc)
>  		goto ret_unmap;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
> index 7ea67aa46fb730..fd5f9d2bf6d94e 100644
> --- a/drivers/i2c/busses/i2c-pnx.c
> +++ b/drivers/i2c/busses/i2c-pnx.c
> @@ -714,10 +714,8 @@ static int i2c_pnx_probe(struct platform_device *pdev)
>  
>  	/* Register this adapter with the I2C subsystem */
>  	ret = i2c_add_numbered_adapter(&alg_data->adapter);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "I2C: Failed to add bus\n");
> +	if (ret < 0)
>  		goto out_clock;
> -	}
>  
>  	dev_dbg(&pdev->dev, "%s: Master at %#8x, irq %d.\n",
>  		alg_data->adapter.name, res->start, alg_data->irq);
> diff --git a/drivers/i2c/busses/i2c-puv3.c b/drivers/i2c/busses/i2c-puv3.c
> index 82b6f02544dae7..0c8b1571886d5b 100644
> --- a/drivers/i2c/busses/i2c-puv3.c
> +++ b/drivers/i2c/busses/i2c-puv3.c
> @@ -212,11 +212,8 @@ static int puv3_i2c_probe(struct platform_device *pdev)
>  
>  	adapter->nr = pdev->id;
>  	rc = i2c_add_numbered_adapter(adapter);
> -	if (rc) {
> -		dev_err(&pdev->dev, "Adapter '%s' registration failed\n",
> -				adapter->name);
> +	if (rc)
>  		goto fail_add_adapter;
> -	}
>  
>  	dev_info(&pdev->dev, "PKUnity v3 i2c bus adapter.\n");
>  	return 0;
> diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
> index 0d351954db02b9..e28b825b043378 100644
> --- a/drivers/i2c/busses/i2c-pxa.c
> +++ b/drivers/i2c/busses/i2c-pxa.c
> @@ -1292,10 +1292,8 @@ static int i2c_pxa_probe(struct platform_device *dev)
>  #endif
>  
>  	ret = i2c_add_numbered_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&dev->dev, "failed to add bus: %d\n", ret);
> +	if (ret < 0)
>  		goto ereqirq;
> -	}
>  
>  	platform_set_drvdata(dev, i2c);
>  
> diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
> index 52407f3c9e1cce..400e344704d273 100644
> --- a/drivers/i2c/busses/i2c-rcar.c
> +++ b/drivers/i2c/busses/i2c-rcar.c
> @@ -875,10 +875,8 @@ static int rcar_i2c_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, priv);
>  
>  	ret = i2c_add_numbered_adapter(adap);
> -	if (ret < 0) {
> -		dev_err(dev, "reg adap failed: %d\n", ret);
> +	if (ret < 0)
>  		goto out_pm_disable;
> -	}
>  
>  	dev_info(dev, "probed\n");
>  
> diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
> index d7e3af67154373..6263ea82d6ac3b 100644
> --- a/drivers/i2c/busses/i2c-riic.c
> +++ b/drivers/i2c/busses/i2c-riic.c
> @@ -383,10 +383,8 @@ static int riic_i2c_probe(struct platform_device *pdev)
>  
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, riic);
>  
> diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> index 2bc8b01153d619..3b87afe82f6394 100644
> --- a/drivers/i2c/busses/i2c-rk3x.c
> +++ b/drivers/i2c/busses/i2c-rk3x.c
> @@ -1303,10 +1303,8 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
>  	rk3x_i2c_adapt_div(i2c, clk_rate);
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "Could not register adapter\n");
> +	if (ret < 0)
>  		goto err_clk_notifier;
> -	}
>  
>  	dev_info(&pdev->dev, "Initialized RK3xxx I2C bus at %p\n", i2c->regs);
>  
> diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
> index 38dc1cacfd8bba..499af26e736e7e 100644
> --- a/drivers/i2c/busses/i2c-s3c2410.c
> +++ b/drivers/i2c/busses/i2c-s3c2410.c
> @@ -1215,7 +1215,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
>  
>  	ret = i2c_add_numbered_adapter(&i2c->adap);
>  	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
>  		pm_runtime_disable(&pdev->dev);
>  		s3c24xx_i2c_deregister_cpufreq(i2c);
>  		clk_unprepare(i2c->clk);
> diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c
> index 24968384b4014f..c2005c789d2b09 100644
> --- a/drivers/i2c/busses/i2c-sh7760.c
> +++ b/drivers/i2c/busses/i2c-sh7760.c
> @@ -510,10 +510,8 @@ static int sh7760_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_numbered_adapter(&id->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "reg adap failed: %d\n", ret);
> +	if (ret < 0)
>  		goto out4;
> -	}
>  
>  	platform_set_drvdata(pdev, id);
>  
> diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
> index 6fb3e264599229..50f276e8d17967 100644
> --- a/drivers/i2c/busses/i2c-sh_mobile.c
> +++ b/drivers/i2c/busses/i2c-sh_mobile.c
> @@ -981,7 +981,6 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
>  	ret = i2c_add_numbered_adapter(adap);
>  	if (ret < 0) {
>  		sh_mobile_i2c_release_dma(pd);
> -		dev_err(&dev->dev, "cannot add numbered adapter\n");
>  		return ret;
>  	}
>  
> diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c
> index 792a42bdd335b9..95e81d0f72b4d2 100644
> --- a/drivers/i2c/busses/i2c-sirf.c
> +++ b/drivers/i2c/busses/i2c-sirf.c
> @@ -387,10 +387,8 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev)
>  		writel(regval, siic->base + SIRFSOC_I2C_SDA_DELAY);
>  
>  	err = i2c_add_numbered_adapter(adap);
> -	if (err < 0) {
> -		dev_err(&pdev->dev, "Can't add new i2c adapter\n");
> +	if (err < 0)
>  		goto out;
> -	}
>  
>  	clk_disable(clk);
>  
> diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c
> index 944ec420508487..1371547ce1a3a8 100644
> --- a/drivers/i2c/busses/i2c-st.c
> +++ b/drivers/i2c/busses/i2c-st.c
> @@ -874,10 +874,8 @@ static int st_i2c_probe(struct platform_device *pdev)
>  	init_completion(&i2c_dev->complete);
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c_dev);
>  
> diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
> index 460c134832ac30..dc63236b45b216 100644
> --- a/drivers/i2c/busses/i2c-stu300.c
> +++ b/drivers/i2c/busses/i2c-stu300.c
> @@ -920,11 +920,8 @@ static int stu300_probe(struct platform_device *pdev)
>  
>  	/* i2c device drivers may be active on return from add_adapter() */
>  	ret = i2c_add_numbered_adapter(adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "failure adding ST Micro DDC "
> -		       "I2C adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, dev);
>  	dev_info(&pdev->dev, "ST DDC I2C @ %p, irq %d\n",
> diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
> index b126dbaa47e370..d9979da11485ae 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -932,10 +932,8 @@ static int tegra_i2c_probe(struct platform_device *pdev)
>  	i2c_dev->adapter.dev.of_node = pdev->dev.of_node;
>  
>  	ret = i2c_add_numbered_adapter(&i2c_dev->adapter);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add I2C adapter\n");
> +	if (ret)
>  		goto disable_div_clk;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c
> index aeead0d27d1007..64318e69089439 100644
> --- a/drivers/i2c/busses/i2c-uniphier-f.c
> +++ b/drivers/i2c/busses/i2c-uniphier-f.c
> @@ -550,15 +550,10 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret) {
> -		dev_err(dev, "failed to add I2C adapter\n");
> -		goto err;
> -	}
> -
> -err:
>  	if (ret)
>  		clk_disable_unprepare(priv->clk);
>  
> + err:
>  	return ret;
>  }
>  
> diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
> index 475a5eb514e215..94f64cccfdef08 100644
> --- a/drivers/i2c/busses/i2c-uniphier.c
> +++ b/drivers/i2c/busses/i2c-uniphier.c
> @@ -407,15 +407,10 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret) {
> -		dev_err(dev, "failed to add I2C adapter\n");
> -		goto err;
> -	}
> -
> -err:
>  	if (ret)
>  		clk_disable_unprepare(priv->clk);
>  
> + err:
>  	return ret;
>  }
>  
> diff --git a/drivers/i2c/busses/i2c-wmt.c b/drivers/i2c/busses/i2c-wmt.c
> index e1e3a85596c562..fbd0fd59f31239 100644
> --- a/drivers/i2c/busses/i2c-wmt.c
> +++ b/drivers/i2c/busses/i2c-wmt.c
> @@ -432,10 +432,8 @@ static int wmt_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	err = i2c_add_adapter(adap);
> -	if (err) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> +	if (err)
>  		return err;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c_dev);
>  
> diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
> index 4233f5695352fd..263685c7a51287 100644
> --- a/drivers/i2c/busses/i2c-xgene-slimpro.c
> +++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
> @@ -418,7 +418,6 @@ static int xgene_slimpro_i2c_probe(struct platform_device *pdev)
>  	i2c_set_adapdata(adapter, ctx);
>  	rc = i2c_add_adapter(adapter);
>  	if (rc) {
> -		dev_err(&pdev->dev, "Adapter registeration failed\n");
>  		mbox_free_channel(ctx->mbox_chan);
>  		return rc;
>  	}
> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
> index 74f54f2f471fa7..66bce3b311a199 100644
> --- a/drivers/i2c/busses/i2c-xiic.c
> +++ b/drivers/i2c/busses/i2c-xiic.c
> @@ -804,7 +804,6 @@ static int xiic_i2c_probe(struct platform_device *pdev)
>  	/* add i2c adapter to i2c tree */
>  	ret = i2c_add_adapter(&i2c->adap);
>  	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add adapter\n");
>  		xiic_deinit(i2c);
>  		goto err_clk_dis;
>  	}
> diff --git a/drivers/i2c/busses/i2c-xlp9xx.c b/drivers/i2c/busses/i2c-xlp9xx.c
> index 55a7bef1b2e1df..2a972ed7aa0df1 100644
> --- a/drivers/i2c/busses/i2c-xlp9xx.c
> +++ b/drivers/i2c/busses/i2c-xlp9xx.c
> @@ -400,10 +400,8 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev)
>  	i2c_set_adapdata(&priv->adapter, priv);
>  
>  	err = i2c_add_adapter(&priv->adapter);
> -	if (err) {
> -		dev_err(&pdev->dev, "failed to add I2C adapter!\n");
> +	if (err)
>  		return err;
> -	}
>  
>  	platform_set_drvdata(pdev, priv);
>  	dev_dbg(&pdev->dev, "I2C bus:%d added\n", priv->adapter.nr);
> diff --git a/drivers/i2c/busses/i2c-xlr.c b/drivers/i2c/busses/i2c-xlr.c
> index 613c3a4f2c5142..0968f59b6df586 100644
> --- a/drivers/i2c/busses/i2c-xlr.c
> +++ b/drivers/i2c/busses/i2c-xlr.c
> @@ -432,10 +432,8 @@ static int xlr_i2c_probe(struct platform_device *pdev)
>  
>  	i2c_set_adapdata(&priv->adap, priv);
>  	ret = i2c_add_numbered_adapter(&priv->adap);
> -	if (ret < 0) {
> -		dev_err(&priv->adap.dev, "Failed to add i2c bus.\n");
> +	if (ret < 0)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, priv);
>  	dev_info(&priv->adap.dev, "Added I2C Bus.\n");
> -- 
> 2.8.1
> 
> 
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Thierry Reding Aug. 9, 2016, 12:58 p.m. UTC | #6
On Tue, Aug 09, 2016 at 01:36:17PM +0200, Wolfram Sang wrote:
[...]
> diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
> index b126dbaa47e370..d9979da11485ae 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -932,10 +932,8 @@ static int tegra_i2c_probe(struct platform_device *pdev)
>  	i2c_dev->adapter.dev.of_node = pdev->dev.of_node;
>  
>  	ret = i2c_add_numbered_adapter(&i2c_dev->adapter);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add I2C adapter\n");
> +	if (ret)
>  		goto disable_div_clk;
> -	}
>  
>  	return 0;
>  

Acked-by: Thierry Reding <treding@nvidia.com>
Guenter Roeck Aug. 9, 2016, 1:31 p.m. UTC | #7
On 08/09/2016 04:36 AM, Wolfram Sang wrote:
> The core will do this for us now.
>
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---
[ ... ]

> diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c
> index aeead0d27d1007..64318e69089439 100644
> --- a/drivers/i2c/busses/i2c-uniphier-f.c
> +++ b/drivers/i2c/busses/i2c-uniphier-f.c
> @@ -550,15 +550,10 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
>  	}
>
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret) {
> -		dev_err(dev, "failed to add I2C adapter\n");
> -		goto err;
> -	}
> -
> -err:
>  	if (ret)
>  		clk_disable_unprepare(priv->clk);
>
> + err:

You sure about that one ? It leaves the clock enabled in some of the error paths.

>  	return ret;
>  }
>
> diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
> index 475a5eb514e215..94f64cccfdef08 100644
> --- a/drivers/i2c/busses/i2c-uniphier.c
> +++ b/drivers/i2c/busses/i2c-uniphier.c
> @@ -407,15 +407,10 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
>  	}
>
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret) {
> -		dev_err(dev, "failed to add I2C adapter\n");
> -		goto err;
> -	}
> -
> -err:
>  	if (ret)
>  		clk_disable_unprepare(priv->clk);
>
> + err:

Same as above.

Note: I dropped all individuals from Cc:; my mailer refused to accept the reply because there
were too many.

Guenter

>  	return ret;
>  }
>
Wolfram Sang Aug. 9, 2016, 1:59 p.m. UTC | #8
On Tue, Aug 09, 2016 at 01:57:40PM +0200, Uwe Kleine-König wrote:
> Hello Wolfram,
> 
> On Tue, Aug 09, 2016 at 01:36:17PM +0200, Wolfram Sang wrote:
> > The core will do this for us now.
> 
> Would be nice to point out the relevant commit that changed the core in
> the commit log.

I agree, but it was a series of commits[1] so I skipped that idea.

[1] http://www.spinics.net/lists/linux-i2c/msg25496.html
Wolfram Sang Aug. 9, 2016, 2:39 p.m. UTC | #9
> >@@ -550,15 +550,10 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
> > 	}
> >
> > 	ret = i2c_add_adapter(&priv->adap);
> >-	if (ret) {
> >-		dev_err(dev, "failed to add I2C adapter\n");
> >-		goto err;
> >-	}
> >-
> >-err:
> > 	if (ret)
> > 		clk_disable_unprepare(priv->clk);
> >
> >+ err:
> 
> You sure about that one ? It leaves the clock enabled in some of the error paths.

Uh, ehrm, where is the brown paper bag? Thanks, Guenter!

> Note: I dropped all individuals from Cc:; my mailer refused to accept the reply because there
> were too many.

Yes, the disadvantage of not breaking out.
Ray Jui Aug. 9, 2016, 4:15 p.m. UTC | #10
Hi Wolfram,

On 8/9/2016 4:36 AM, Wolfram Sang wrote:
> The core will do this for us now.
>
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>

[...]

> diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
> index 19c843828fe2ca..8e3477f9297eda 100644
> --- a/drivers/i2c/busses/i2c-bcm-iproc.c
> +++ b/drivers/i2c/busses/i2c-bcm-iproc.c
> @@ -488,13 +488,7 @@ static int bcm_iproc_i2c_probe(struct platform_device *pdev)
>  	adap->dev.parent = &pdev->dev;
>  	adap->dev.of_node = pdev->dev.of_node;
>
> -	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(iproc_i2c->device, "failed to add adapter\n");
> -		return ret;
> -	}
> -
> -	return 0;
> +	return i2c_add_adapter(adap);
>  }
>
>  static int bcm_iproc_i2c_remove(struct platform_device *pdev)
> diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c
> index ac9f47679c3a4b..a5c9098507896b 100644
> --- a/drivers/i2c/busses/i2c-bcm-kona.c
> +++ b/drivers/i2c/busses/i2c-bcm-kona.c
> @@ -858,10 +858,8 @@ static int bcm_kona_i2c_probe(struct platform_device *pdev)
>  	adap->dev.of_node = pdev->dev.of_node;
>
>  	rc = i2c_add_adapter(adap);
> -	if (rc) {
> -		dev_err(dev->device, "failed to add adapter\n");
> +	if (rc)
>  		return rc;
> -	}
>
>  	dev_info(dev->device, "device registered successfully\n");
>

For both i2c-bcm-iproc.c and i2c-bcm-kona.c:

Acked-by: Ray Jui <ray.jui@broadcom.com>

Thanks,

Ray
sonic zhang Aug. 10, 2016, 2:56 a.m. UTC | #11
For i2c-bfin-twi.c

Acked-by: Sonic Zhang <sonic.zhang@analog.com>


Sonic
-----Original Message-----
From: Neil Horman [mailto:nhorman@tuxdriver.com] 
Sent: Tuesday, August 09, 2016 8:55 PM
To: Wolfram Sang
Cc: linux-kernel@vger.kernel.org; linux-i2c@vger.kernel.org; Jean Delvare; Wolfram Sang; Ludovic Desroches; Ray Jui; Scott Branden; Jon Mason; bcm-kernel-feedback-list@broadcom.com; Florian Fainelli; Zhang, Sonic; Brian Norris; Gregory Fong; Michal Simek; Sören Brinkmann; Jochen Friedrich; Sekhar Nori; Kevin Hilman; Guenter Roeck; Uwe Kleine-König; Kukjin Kim; Krzysztof Kozlowski; Seth Heasley; Joachim Eastwood; Carlo Caione; Alessandro Rubini; Linus Walleij; Peter Korsgaard; Tony Lindgren; Vladimir Zapolskiy; Sylvain Lemieux; Guan Xuetao; Heiko Stuebner; Barry Song; Patrice Chotard; Laxman Dewangan; Stephen Warren; Thierry Reding; Alexandre Courbot; Masahiro Yamada; Tony Prisk; linux-arm-kernel@lists.infradead.org; adi-buildroot-devel@lists.sourceforge.net; linuxppc-dev@lists.ozlabs.org; linux-samsung-soc@vger.kernel.org; linux-amlogic@lists.infradead.org; linux-omap@vger.kernel.org; linux-rockchip@lists.infradead.org; kernel@stlinux.com; linux-tegra@vger.kernel.org
Subject: Re: [PATCH] i2c: don't print error when adding adapter fails

On Tue, Aug 09, 2016 at 01:36:17PM +0200, Wolfram Sang wrote:
> The core will do this for us now.
> 
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---
>  drivers/i2c/busses/i2c-amd756.c         | 5 +----
>  drivers/i2c/busses/i2c-at91.c           | 2 --
>  drivers/i2c/busses/i2c-axxia.c          | 8 +-------
>  drivers/i2c/busses/i2c-bcm-iproc.c      | 8 +-------
>  drivers/i2c/busses/i2c-bcm-kona.c       | 4 +---
>  drivers/i2c/busses/i2c-bfin-twi.c       | 4 +---
>  drivers/i2c/busses/i2c-brcmstb.c        | 4 +---
>  drivers/i2c/busses/i2c-cadence.c        | 4 +---
>  drivers/i2c/busses/i2c-cpm.c            | 4 +---
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c | 4 +---
>  drivers/i2c/busses/i2c-davinci.c        | 4 +---
>  drivers/i2c/busses/i2c-diolan-u2c.c     | 4 +---
>  drivers/i2c/busses/i2c-dln2.c           | 4 +---
>  drivers/i2c/busses/i2c-efm32.c          | 1 -
>  drivers/i2c/busses/i2c-exynos5.c        | 4 +---
>  drivers/i2c/busses/i2c-hix5hd2.c        | 4 +---
>  drivers/i2c/busses/i2c-i801.c           | 1 -
>  drivers/i2c/busses/i2c-ibm_iic.c        | 4 +---
>  drivers/i2c/busses/i2c-img-scb.c        | 4 +---
>  drivers/i2c/busses/i2c-imx.c            | 4 +---
>  drivers/i2c/busses/i2c-isch.c           | 4 +---
>  drivers/i2c/busses/i2c-ismt.c           | 4 +---
>  drivers/i2c/busses/i2c-jz4780.c         | 4 +---
>  drivers/i2c/busses/i2c-lpc2k.c          | 4 +---
>  drivers/i2c/busses/i2c-meson.c          | 1 -
>  drivers/i2c/busses/i2c-mpc.c            | 4 +---
>  drivers/i2c/busses/i2c-mt65xx.c         | 4 +---
>  drivers/i2c/busses/i2c-mxs.c            | 1 -
>  drivers/i2c/busses/i2c-nforce2.c        | 1 -
>  drivers/i2c/busses/i2c-nomadik.c        | 4 +---
>  drivers/i2c/busses/i2c-ocores.c         | 4 +---
>  drivers/i2c/busses/i2c-octeon.c         | 4 +---
>  drivers/i2c/busses/i2c-omap.c           | 4 +---
>  drivers/i2c/busses/i2c-piix4.c          | 1 -
>  drivers/i2c/busses/i2c-pmcmsp.c         | 4 +---
>  drivers/i2c/busses/i2c-pnx.c            | 4 +---
>  drivers/i2c/busses/i2c-puv3.c           | 5 +----
>  drivers/i2c/busses/i2c-pxa.c            | 4 +---
>  drivers/i2c/busses/i2c-rcar.c           | 4 +---
>  drivers/i2c/busses/i2c-riic.c           | 4 +---
>  drivers/i2c/busses/i2c-rk3x.c           | 4 +---
>  drivers/i2c/busses/i2c-s3c2410.c        | 1 -
>  drivers/i2c/busses/i2c-sh7760.c         | 4 +---
>  drivers/i2c/busses/i2c-sh_mobile.c      | 1 -
>  drivers/i2c/busses/i2c-sirf.c           | 4 +---
>  drivers/i2c/busses/i2c-st.c             | 4 +---
>  drivers/i2c/busses/i2c-stu300.c         | 5 +----
>  drivers/i2c/busses/i2c-tegra.c          | 4 +---
>  drivers/i2c/busses/i2c-uniphier-f.c     | 7 +------
>  drivers/i2c/busses/i2c-uniphier.c       | 7 +------
>  drivers/i2c/busses/i2c-wmt.c            | 4 +---
>  drivers/i2c/busses/i2c-xgene-slimpro.c  | 1 -
>  drivers/i2c/busses/i2c-xiic.c           | 1 -
>  drivers/i2c/busses/i2c-xlp9xx.c         | 4 +---
>  drivers/i2c/busses/i2c-xlr.c            | 4 +---
>  55 files changed, 44 insertions(+), 161 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-amd756.c 
> b/drivers/i2c/busses/i2c-amd756.c index 6c7113d990f882..274908cd1fdeab 
> 100644
> --- a/drivers/i2c/busses/i2c-amd756.c
> +++ b/drivers/i2c/busses/i2c-amd756.c
> @@ -378,11 +378,8 @@ static int amd756_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>  		 amd756_ioport);
>  
>  	error = i2c_add_adapter(&amd756_smbus);
> -	if (error) {
> -		dev_err(&pdev->dev,
> -			"Adapter registration failed, module not inserted\n");
> +	if (error)
>  		goto out_err;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-at91.c 
> b/drivers/i2c/busses/i2c-at91.c index f23372669f770f..03a519d29616d7 
> 100644
> --- a/drivers/i2c/busses/i2c-at91.c
> +++ b/drivers/i2c/busses/i2c-at91.c
> @@ -1118,8 +1118,6 @@ static int at91_twi_probe(struct platform_device 
> *pdev)
>  
>  	rc = i2c_add_numbered_adapter(&dev->adapter);
>  	if (rc) {
> -		dev_err(dev->dev, "Adapter %s registration failed\n",
> -			dev->adapter.name);
>  		clk_disable_unprepare(dev->clk);
>  
>  		pm_runtime_disable(dev->dev);
> diff --git a/drivers/i2c/busses/i2c-axxia.c 
> b/drivers/i2c/busses/i2c-axxia.c index c335cc7852f94e..d3bcaf4ab095d0 
> 100644
> --- a/drivers/i2c/busses/i2c-axxia.c
> +++ b/drivers/i2c/busses/i2c-axxia.c
> @@ -558,13 +558,7 @@ static int axxia_i2c_probe(struct platform_device 
> *pdev)
>  
>  	platform_set_drvdata(pdev, idev);
>  
> -	ret = i2c_add_adapter(&idev->adapter);
> -	if (ret) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> -		return ret;
> -	}
> -
> -	return 0;
> +	return i2c_add_adapter(&idev->adapter);
>  }
>  
>  static int axxia_i2c_remove(struct platform_device *pdev) diff --git 
> a/drivers/i2c/busses/i2c-bcm-iproc.c 
> b/drivers/i2c/busses/i2c-bcm-iproc.c
> index 19c843828fe2ca..8e3477f9297eda 100644
> --- a/drivers/i2c/busses/i2c-bcm-iproc.c
> +++ b/drivers/i2c/busses/i2c-bcm-iproc.c
> @@ -488,13 +488,7 @@ static int bcm_iproc_i2c_probe(struct platform_device *pdev)
>  	adap->dev.parent = &pdev->dev;
>  	adap->dev.of_node = pdev->dev.of_node;
>  
> -	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(iproc_i2c->device, "failed to add adapter\n");
> -		return ret;
> -	}
> -
> -	return 0;
> +	return i2c_add_adapter(adap);
>  }
>  
>  static int bcm_iproc_i2c_remove(struct platform_device *pdev) diff 
> --git a/drivers/i2c/busses/i2c-bcm-kona.c 
> b/drivers/i2c/busses/i2c-bcm-kona.c
> index ac9f47679c3a4b..a5c9098507896b 100644
> --- a/drivers/i2c/busses/i2c-bcm-kona.c
> +++ b/drivers/i2c/busses/i2c-bcm-kona.c
> @@ -858,10 +858,8 @@ static int bcm_kona_i2c_probe(struct platform_device *pdev)
>  	adap->dev.of_node = pdev->dev.of_node;
>  
>  	rc = i2c_add_adapter(adap);
> -	if (rc) {
> -		dev_err(dev->device, "failed to add adapter\n");
> +	if (rc)
>  		return rc;
> -	}
>  
>  	dev_info(dev->device, "device registered successfully\n");
>  
> diff --git a/drivers/i2c/busses/i2c-bfin-twi.c 
> b/drivers/i2c/busses/i2c-bfin-twi.c
> index 025686d4164058..29d00c4f7824c2 100644
> --- a/drivers/i2c/busses/i2c-bfin-twi.c
> +++ b/drivers/i2c/busses/i2c-bfin-twi.c
> @@ -685,10 +685,8 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev)
>  	write_CONTROL(iface, read_CONTROL(iface) | TWI_ENA);
>  
>  	rc = i2c_add_numbered_adapter(p_adap);
> -	if (rc < 0) {
> -		dev_err(&pdev->dev, "Can't add i2c adapter!\n");
> +	if (rc < 0)
>  		goto out_error;
> -	}
>  
>  	platform_set_drvdata(pdev, iface);
>  
> diff --git a/drivers/i2c/busses/i2c-brcmstb.c 
> b/drivers/i2c/busses/i2c-brcmstb.c
> index 3f5a4d71d3bf32..bc5c176e984aea 100644
> --- a/drivers/i2c/busses/i2c-brcmstb.c
> +++ b/drivers/i2c/busses/i2c-brcmstb.c
> @@ -648,10 +648,8 @@ static int brcmstb_i2c_probe(struct platform_device *pdev)
>  	adap->dev.parent = &pdev->dev;
>  	adap->dev.of_node = pdev->dev.of_node;
>  	rc = i2c_add_adapter(adap);
> -	if (rc) {
> -		dev_err(dev->device, "failed to add adapter\n");
> +	if (rc)
>  		goto probe_errorout;
> -	}
>  
>  	dev_info(dev->device, "%s@%dhz registered in %s mode\n",
>  		 int_name ? int_name : " ", dev->clk_freq_hz, diff --git 
> a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
> index 90bbd9f9dd8f77..1cc1e79e958d56 100644
> --- a/drivers/i2c/busses/i2c-cadence.c
> +++ b/drivers/i2c/busses/i2c-cadence.c
> @@ -963,10 +963,8 @@ static int cdns_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_adapter(&id->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "reg adap failed: %d\n", ret);
> +	if (ret < 0)
>  		goto err_clk_dis;
> -	}
>  
>  	/*
>  	 * Cadence I2C controller has a bug wherein it generates diff --git 
> a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 
> ee57c1e865e271..d89bde2c5da256 100644
> --- a/drivers/i2c/busses/i2c-cpm.c
> +++ b/drivers/i2c/busses/i2c-cpm.c
> @@ -665,10 +665,8 @@ static int cpm_i2c_probe(struct platform_device *ofdev)
>  	cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1;
>  	result = i2c_add_numbered_adapter(&cpm->adap);
>  
> -	if (result < 0) {
> -		dev_err(&ofdev->dev, "Unable to register with I2C\n");
> +	if (result < 0)
>  		goto out_shut;
> -	}
>  
>  	dev_dbg(&ofdev->dev, "hw routines for %s registered.\n",
>  		cpm->adap.name);
> diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c 
> b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> index a0d95ff682ae12..cf334a9ec22cb7 100644
> --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> @@ -281,10 +281,8 @@ static int ec_i2c_probe(struct platform_device *pdev)
>  	bus->adap.retries = I2C_MAX_RETRIES;
>  
>  	err = i2c_add_adapter(&bus->adap);
> -	if (err) {
> -		dev_err(dev, "cannot register i2c adapter\n");
> +	if (err)
>  		return err;
> -	}
>  	platform_set_drvdata(pdev, bus);
>  
>  	return err;
> diff --git a/drivers/i2c/busses/i2c-davinci.c 
> b/drivers/i2c/busses/i2c-davinci.c
> index a8bdcb5292f5b3..9e7ef5cf5d495d 100644
> --- a/drivers/i2c/busses/i2c-davinci.c
> +++ b/drivers/i2c/busses/i2c-davinci.c
> @@ -846,10 +846,8 @@ static int davinci_i2c_probe(struct 
> platform_device *pdev)
>  
>  	adap->nr = pdev->id;
>  	r = i2c_add_numbered_adapter(adap);
> -	if (r) {
> -		dev_err(&pdev->dev, "failure adding adapter\n");
> +	if (r)
>  		goto err_unuse_clocks;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c 
> b/drivers/i2c/busses/i2c-diolan-u2c.c
> index b19a310bf9b3e8..f718ee4e3332fe 100644
> --- a/drivers/i2c/busses/i2c-diolan-u2c.c
> +++ b/drivers/i2c/busses/i2c-diolan-u2c.c
> @@ -487,10 +487,8 @@ static int diolan_u2c_probe(struct usb_interface 
> *interface,
>  
>  	/* and finally attach to i2c layer */
>  	ret = i2c_add_adapter(&dev->adapter);
> -	if (ret < 0) {
> -		dev_err(&interface->dev, "failed to add I2C adapter\n");
> +	if (ret < 0)
>  		goto error_free;
> -	}
>  
>  	dev_dbg(&interface->dev, "connected " DRIVER_NAME "\n");
>  
> diff --git a/drivers/i2c/busses/i2c-dln2.c 
> b/drivers/i2c/busses/i2c-dln2.c index f2eb4f76591fbe..8acda2aa15583c 
> 100644
> --- a/drivers/i2c/busses/i2c-dln2.c
> +++ b/drivers/i2c/busses/i2c-dln2.c
> @@ -228,10 +228,8 @@ static int dln2_i2c_probe(struct platform_device 
> *pdev)
>  
>  	/* and finally attach to i2c layer */
>  	ret = i2c_add_adapter(&dln2->adapter);
> -	if (ret < 0) {
> -		dev_err(dev, "failed to add I2C adapter: %d\n", ret);
> +	if (ret < 0)
>  		goto out_disable;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-efm32.c 
> b/drivers/i2c/busses/i2c-efm32.c index e253598d764c0d..aa336ba89aa3fe 
> 100644
> --- a/drivers/i2c/busses/i2c-efm32.c
> +++ b/drivers/i2c/busses/i2c-efm32.c
> @@ -438,7 +438,6 @@ static int efm32_i2c_probe(struct platform_device 
> *pdev)
>  
>  	ret = i2c_add_adapter(&ddata->adapter);
>  	if (ret) {
> -		dev_err(&pdev->dev, "failed to add i2c adapter (%d)\n", ret);
>  		free_irq(ddata->irq, ddata);
>  
>  err_disable_clk:
> diff --git a/drivers/i2c/busses/i2c-exynos5.c 
> b/drivers/i2c/busses/i2c-exynos5.c
> index c0e3ada028763d..bea607149972d4 100644
> --- a/drivers/i2c/busses/i2c-exynos5.c
> +++ b/drivers/i2c/busses/i2c-exynos5.c
> @@ -796,10 +796,8 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
>  	exynos5_i2c_reset(i2c);
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
> +	if (ret < 0)
>  		goto err_clk;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c);
>  
> diff --git a/drivers/i2c/busses/i2c-hix5hd2.c 
> b/drivers/i2c/busses/i2c-hix5hd2.c
> index 7c6966434ee7b9..ae7f3180f7e887 100644
> --- a/drivers/i2c/busses/i2c-hix5hd2.c
> +++ b/drivers/i2c/busses/i2c-hix5hd2.c
> @@ -478,10 +478,8 @@ static int hix5hd2_i2c_probe(struct platform_device *pdev)
>  	pm_runtime_enable(priv->dev);
>  
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
> +	if (ret < 0)
>  		goto err_runtime;
> -	}
>  
>  	return ret;
>  
> diff --git a/drivers/i2c/busses/i2c-i801.c 
> b/drivers/i2c/busses/i2c-i801.c index 5ef9b733d153fa..22a0ed4de80da0 
> 100644
> --- a/drivers/i2c/busses/i2c-i801.c
> +++ b/drivers/i2c/busses/i2c-i801.c
> @@ -1613,7 +1613,6 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
>  		"SMBus I801 adapter at %04lx", priv->smba);
>  	err = i2c_add_adapter(&priv->adapter);
>  	if (err) {
> -		dev_err(&dev->dev, "Failed to add SMBus adapter\n");
>  		i801_acpi_remove(priv);
>  		return err;
>  	}
> diff --git a/drivers/i2c/busses/i2c-ibm_iic.c 
> b/drivers/i2c/busses/i2c-ibm_iic.c
> index cdaa7be2cd1b94..412b91d255ad1d 100644
> --- a/drivers/i2c/busses/i2c-ibm_iic.c
> +++ b/drivers/i2c/busses/i2c-ibm_iic.c
> @@ -751,10 +751,8 @@ static int iic_probe(struct platform_device *ofdev)
>  	adap->timeout = HZ;
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret  < 0) {
> -		dev_err(&ofdev->dev, "failed to register i2c adapter\n");
> +	if (ret  < 0)
>  		goto error_cleanup;
> -	}
>  
>  	dev_info(&ofdev->dev, "using %s mode\n",
>  		 dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)"); diff 
> --git a/drivers/i2c/busses/i2c-img-scb.c 
> b/drivers/i2c/busses/i2c-img-scb.c
> index ea20425b697217..db8e8b40569d98 100644
> --- a/drivers/i2c/busses/i2c-img-scb.c
> +++ b/drivers/i2c/busses/i2c-img-scb.c
> @@ -1394,10 +1394,8 @@ static int img_i2c_probe(struct platform_device *pdev)
>  		goto disable_clk;
>  
>  	ret = i2c_add_numbered_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> +	if (ret < 0)
>  		goto disable_clk;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-imx.c 
> b/drivers/i2c/busses/i2c-imx.c index 1844bc9f7cd5a2..cb11eee9567318 
> 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1129,10 +1129,8 @@ static int i2c_imx_probe(struct platform_device 
> *pdev)
>  
>  	/* Add I2C adapter */
>  	ret = i2c_add_numbered_adapter(&i2c_imx->adapter);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "registration failed\n");
> +	if (ret < 0)
>  		goto rpm_disable;
> -	}
>  
>  	pm_runtime_mark_last_busy(&pdev->dev);
>  	pm_runtime_put_autosuspend(&pdev->dev);
> diff --git a/drivers/i2c/busses/i2c-isch.c 
> b/drivers/i2c/busses/i2c-isch.c index c2f25f19d76f9b..0cf1379f4e8091 
> 100644
> --- a/drivers/i2c/busses/i2c-isch.c
> +++ b/drivers/i2c/busses/i2c-isch.c
> @@ -288,10 +288,8 @@ static int smbus_sch_probe(struct platform_device *dev)
>  		"SMBus SCH adapter at %04x", sch_smba);
>  
>  	retval = i2c_add_adapter(&sch_adapter);
> -	if (retval) {
> -		dev_err(&dev->dev, "Couldn't register adapter!\n");
> +	if (retval)
>  		sch_smba = 0;
> -	}
>  
>  	return retval;
>  }
> diff --git a/drivers/i2c/busses/i2c-ismt.c 
> b/drivers/i2c/busses/i2c-ismt.c index 1c870771009840..f573448d213216 
> 100644
> --- a/drivers/i2c/busses/i2c-ismt.c
> +++ b/drivers/i2c/busses/i2c-ismt.c
> @@ -922,10 +922,8 @@ ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>  		return err;
>  
>  	err = i2c_add_adapter(&priv->adapter);
> -	if (err) {
> -		dev_err(&pdev->dev, "Failed to add SMBus iSMT adapter\n");
> +	if (err)
>  		return -ENODEV;
> -	}
>  	return 0;
>  }
>  
> diff --git a/drivers/i2c/busses/i2c-jz4780.c 
> b/drivers/i2c/busses/i2c-jz4780.c index cd9872594fe2a0..b8ea62105f42c9 
> 100644
> --- a/drivers/i2c/busses/i2c-jz4780.c
> +++ b/drivers/i2c/busses/i2c-jz4780.c
> @@ -798,10 +798,8 @@ static int jz4780_i2c_probe(struct platform_device *pdev)
>  		goto err;
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "Failed to add bus\n");
> +	if (ret < 0)
>  		goto err;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-lpc2k.c 
> b/drivers/i2c/busses/i2c-lpc2k.c index 586a15205e61de..9b1fef455a895d 
> 100644
> --- a/drivers/i2c/busses/i2c-lpc2k.c
> +++ b/drivers/i2c/busses/i2c-lpc2k.c
> @@ -432,10 +432,8 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
>  	i2c->adap.dev.of_node = pdev->dev.of_node;
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add adapter!\n");
> +	if (ret < 0)
>  		goto fail_clk;
> -	}
>  
>  	dev_info(&pdev->dev, "LPC2K I2C adapter\n");
>  
> diff --git a/drivers/i2c/busses/i2c-meson.c 
> b/drivers/i2c/busses/i2c-meson.c index 71d3929adf54ed..102d2b91771f35 
> 100644
> --- a/drivers/i2c/busses/i2c-meson.c
> +++ b/drivers/i2c/busses/i2c-meson.c
> @@ -453,7 +453,6 @@ static int meson_i2c_probe(struct platform_device 
> *pdev)
>  
>  	ret = i2c_add_adapter(&i2c->adap);
>  	if (ret < 0) {
> -		dev_err(&pdev->dev, "can't register adapter\n");
>  		clk_unprepare(i2c->clk);
>  		return ret;
>  	}
> diff --git a/drivers/i2c/busses/i2c-mpc.c 
> b/drivers/i2c/busses/i2c-mpc.c index 48ecffecc0eda3..565a49a0c56410 
> 100644
> --- a/drivers/i2c/busses/i2c-mpc.c
> +++ b/drivers/i2c/busses/i2c-mpc.c
> @@ -737,10 +737,8 @@ static int fsl_i2c_probe(struct platform_device *op)
>  	i2c->adap.dev.of_node = of_node_get(op->dev.of_node);
>  
>  	result = i2c_add_adapter(&i2c->adap);
> -	if (result < 0) {
> -		dev_err(i2c->dev, "failed to add adapter\n");
> +	if (result < 0)
>  		goto fail_add;
> -	}
>  
>  	return result;
>  
> diff --git a/drivers/i2c/busses/i2c-mt65xx.c 
> b/drivers/i2c/busses/i2c-mt65xx.c index d9373e60be8ae3..4a7d9bc2142ba3 
> 100644
> --- a/drivers/i2c/busses/i2c-mt65xx.c
> +++ b/drivers/i2c/busses/i2c-mt65xx.c
> @@ -786,10 +786,8 @@ static int mtk_i2c_probe(struct platform_device 
> *pdev)
>  
>  	i2c_set_adapdata(&i2c->adap, i2c);
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add i2c bus to i2c core\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c);
>  
> diff --git a/drivers/i2c/busses/i2c-mxs.c 
> b/drivers/i2c/busses/i2c-mxs.c index 033846cdf26622..5738556b6aac20 
> 100644
> --- a/drivers/i2c/busses/i2c-mxs.c
> +++ b/drivers/i2c/busses/i2c-mxs.c
> @@ -868,7 +868,6 @@ static int mxs_i2c_probe(struct platform_device *pdev)
>  	i2c_set_adapdata(adap, i2c);
>  	err = i2c_add_numbered_adapter(adap);
>  	if (err) {
> -		dev_err(dev, "Failed to add adapter (%d)\n", err);
>  		writel(MXS_I2C_CTRL0_SFTRST,
>  				i2c->regs + MXS_I2C_CTRL0_SET);
>  		return err;
> diff --git a/drivers/i2c/busses/i2c-nforce2.c 
> b/drivers/i2c/busses/i2c-nforce2.c
> index 42fcc9458432f8..374b35e7e450ce 100644
> --- a/drivers/i2c/busses/i2c-nforce2.c
> +++ b/drivers/i2c/busses/i2c-nforce2.c
> @@ -366,7 +366,6 @@ static int nforce2_probe_smb(struct pci_dev *dev, 
> int bar, int alt_reg,
>  
>  	error = i2c_add_adapter(&smbus->adapter);
>  	if (error) {
> -		dev_err(&smbus->adapter.dev, "Failed to register adapter.\n");
>  		release_region(smbus->base, smbus->size);
>  		return error;
>  	}
> diff --git a/drivers/i2c/busses/i2c-nomadik.c 
> b/drivers/i2c/busses/i2c-nomadik.c
> index bcd17e8cbcb4b3..da6609d628487b 100644
> --- a/drivers/i2c/busses/i2c-nomadik.c
> +++ b/drivers/i2c/busses/i2c-nomadik.c
> @@ -1046,10 +1046,8 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
>  		 adap->name, dev->virtbase);
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(&adev->dev, "failed to add adapter\n");
> +	if (ret)
>  		goto err_no_adap;
> -	}
>  
>  	pm_runtime_put(&adev->dev);
>  
> diff --git a/drivers/i2c/busses/i2c-ocores.c 
> b/drivers/i2c/busses/i2c-ocores.c index dfa7a4b4a91d78..92692349d0c328 
> 100644
> --- a/drivers/i2c/busses/i2c-ocores.c
> +++ b/drivers/i2c/busses/i2c-ocores.c
> @@ -492,10 +492,8 @@ static int ocores_i2c_probe(struct 
> platform_device *pdev)
>  
>  	/* add i2c adapter to i2c tree */
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	/* add in known devices to the bus */
>  	if (pdata) {
> diff --git a/drivers/i2c/busses/i2c-octeon.c 
> b/drivers/i2c/busses/i2c-octeon.c index 30ae35146723a4..b75d2da79b27c5 
> 100644
> --- a/drivers/i2c/busses/i2c-octeon.c
> +++ b/drivers/i2c/busses/i2c-octeon.c
> @@ -1213,10 +1213,8 @@ static int octeon_i2c_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, i2c);
>  
>  	result = i2c_add_adapter(&i2c->adap);
> -	if (result < 0) {
> -		dev_err(i2c->dev, "failed to add adapter\n");
> +	if (result < 0)
>  		goto out;
> -	}
>  	dev_info(i2c->dev, "probed\n");
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-omap.c 
> b/drivers/i2c/busses/i2c-omap.c index ab1279b8e2407a..c7da0c42baeefa 
> 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -1425,10 +1425,8 @@ omap_i2c_probe(struct platform_device *pdev)
>  	/* i2c device drivers may be active on return from add_adapter() */
>  	adap->nr = pdev->id;
>  	r = i2c_add_numbered_adapter(adap);
> -	if (r) {
> -		dev_err(omap->dev, "failure adding adapter\n");
> +	if (r)
>  		goto err_unuse_clocks;
> -	}
>  
>  	dev_info(omap->dev, "bus %d rev%d.%d at %d kHz\n", adap->nr,
>  		 major, minor, omap->speed);
> diff --git a/drivers/i2c/busses/i2c-piix4.c 
> b/drivers/i2c/busses/i2c-piix4.c index 23d1c167b5d752..c2268cdf38e823 
> 100644
> --- a/drivers/i2c/busses/i2c-piix4.c
> +++ b/drivers/i2c/busses/i2c-piix4.c
> @@ -694,7 +694,6 @@ static int piix4_add_adapter(struct pci_dev *dev, 
> unsigned short smba,
>  
>  	retval = i2c_add_adapter(adap);
>  	if (retval) {
> -		dev_err(&dev->dev, "Couldn't register adapter!\n");
>  		kfree(adapdata);
>  		kfree(adap);
>  		release_region(smba, SMBIOSIZE);
> diff --git a/drivers/i2c/busses/i2c-pmcmsp.c 
> b/drivers/i2c/busses/i2c-pmcmsp.c index 2c40edbf6224eb..217c78711d6501 
> 100644
> --- a/drivers/i2c/busses/i2c-pmcmsp.c
> +++ b/drivers/i2c/busses/i2c-pmcmsp.c
> @@ -329,10 +329,8 @@ static int pmcmsptwi_probe(struct platform_device *pldev)
>  	i2c_set_adapdata(&pmcmsptwi_adapter, &pmcmsptwi_data);
>  
>  	rc = i2c_add_adapter(&pmcmsptwi_adapter);
> -	if (rc) {
> -		dev_err(&pldev->dev, "Unable to register I2C adapter\n");
> +	if (rc)
>  		goto ret_unmap;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-pnx.c 
> b/drivers/i2c/busses/i2c-pnx.c index 7ea67aa46fb730..fd5f9d2bf6d94e 
> 100644
> --- a/drivers/i2c/busses/i2c-pnx.c
> +++ b/drivers/i2c/busses/i2c-pnx.c
> @@ -714,10 +714,8 @@ static int i2c_pnx_probe(struct platform_device 
> *pdev)
>  
>  	/* Register this adapter with the I2C subsystem */
>  	ret = i2c_add_numbered_adapter(&alg_data->adapter);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "I2C: Failed to add bus\n");
> +	if (ret < 0)
>  		goto out_clock;
> -	}
>  
>  	dev_dbg(&pdev->dev, "%s: Master at %#8x, irq %d.\n",
>  		alg_data->adapter.name, res->start, alg_data->irq); diff --git 
> a/drivers/i2c/busses/i2c-puv3.c b/drivers/i2c/busses/i2c-puv3.c index 
> 82b6f02544dae7..0c8b1571886d5b 100644
> --- a/drivers/i2c/busses/i2c-puv3.c
> +++ b/drivers/i2c/busses/i2c-puv3.c
> @@ -212,11 +212,8 @@ static int puv3_i2c_probe(struct platform_device 
> *pdev)
>  
>  	adapter->nr = pdev->id;
>  	rc = i2c_add_numbered_adapter(adapter);
> -	if (rc) {
> -		dev_err(&pdev->dev, "Adapter '%s' registration failed\n",
> -				adapter->name);
> +	if (rc)
>  		goto fail_add_adapter;
> -	}
>  
>  	dev_info(&pdev->dev, "PKUnity v3 i2c bus adapter.\n");
>  	return 0;
> diff --git a/drivers/i2c/busses/i2c-pxa.c 
> b/drivers/i2c/busses/i2c-pxa.c index 0d351954db02b9..e28b825b043378 
> 100644
> --- a/drivers/i2c/busses/i2c-pxa.c
> +++ b/drivers/i2c/busses/i2c-pxa.c
> @@ -1292,10 +1292,8 @@ static int i2c_pxa_probe(struct platform_device 
> *dev)  #endif
>  
>  	ret = i2c_add_numbered_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&dev->dev, "failed to add bus: %d\n", ret);
> +	if (ret < 0)
>  		goto ereqirq;
> -	}
>  
>  	platform_set_drvdata(dev, i2c);
>  
> diff --git a/drivers/i2c/busses/i2c-rcar.c 
> b/drivers/i2c/busses/i2c-rcar.c index 52407f3c9e1cce..400e344704d273 
> 100644
> --- a/drivers/i2c/busses/i2c-rcar.c
> +++ b/drivers/i2c/busses/i2c-rcar.c
> @@ -875,10 +875,8 @@ static int rcar_i2c_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, priv);
>  
>  	ret = i2c_add_numbered_adapter(adap);
> -	if (ret < 0) {
> -		dev_err(dev, "reg adap failed: %d\n", ret);
> +	if (ret < 0)
>  		goto out_pm_disable;
> -	}
>  
>  	dev_info(dev, "probed\n");
>  
> diff --git a/drivers/i2c/busses/i2c-riic.c 
> b/drivers/i2c/busses/i2c-riic.c index d7e3af67154373..6263ea82d6ac3b 
> 100644
> --- a/drivers/i2c/busses/i2c-riic.c
> +++ b/drivers/i2c/busses/i2c-riic.c
> @@ -383,10 +383,8 @@ static int riic_i2c_probe(struct platform_device 
> *pdev)
>  
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, riic);
>  
> diff --git a/drivers/i2c/busses/i2c-rk3x.c 
> b/drivers/i2c/busses/i2c-rk3x.c index 2bc8b01153d619..3b87afe82f6394 
> 100644
> --- a/drivers/i2c/busses/i2c-rk3x.c
> +++ b/drivers/i2c/busses/i2c-rk3x.c
> @@ -1303,10 +1303,8 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
>  	rk3x_i2c_adapt_div(i2c, clk_rate);
>  
>  	ret = i2c_add_adapter(&i2c->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "Could not register adapter\n");
> +	if (ret < 0)
>  		goto err_clk_notifier;
> -	}
>  
>  	dev_info(&pdev->dev, "Initialized RK3xxx I2C bus at %p\n", 
> i2c->regs);
>  
> diff --git a/drivers/i2c/busses/i2c-s3c2410.c 
> b/drivers/i2c/busses/i2c-s3c2410.c
> index 38dc1cacfd8bba..499af26e736e7e 100644
> --- a/drivers/i2c/busses/i2c-s3c2410.c
> +++ b/drivers/i2c/busses/i2c-s3c2410.c
> @@ -1215,7 +1215,6 @@ static int s3c24xx_i2c_probe(struct 
> platform_device *pdev)
>  
>  	ret = i2c_add_numbered_adapter(&i2c->adap);
>  	if (ret < 0) {
> -		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
>  		pm_runtime_disable(&pdev->dev);
>  		s3c24xx_i2c_deregister_cpufreq(i2c);
>  		clk_unprepare(i2c->clk);
> diff --git a/drivers/i2c/busses/i2c-sh7760.c 
> b/drivers/i2c/busses/i2c-sh7760.c index 24968384b4014f..c2005c789d2b09 
> 100644
> --- a/drivers/i2c/busses/i2c-sh7760.c
> +++ b/drivers/i2c/busses/i2c-sh7760.c
> @@ -510,10 +510,8 @@ static int sh7760_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_numbered_adapter(&id->adap);
> -	if (ret < 0) {
> -		dev_err(&pdev->dev, "reg adap failed: %d\n", ret);
> +	if (ret < 0)
>  		goto out4;
> -	}
>  
>  	platform_set_drvdata(pdev, id);
>  
> diff --git a/drivers/i2c/busses/i2c-sh_mobile.c 
> b/drivers/i2c/busses/i2c-sh_mobile.c
> index 6fb3e264599229..50f276e8d17967 100644
> --- a/drivers/i2c/busses/i2c-sh_mobile.c
> +++ b/drivers/i2c/busses/i2c-sh_mobile.c
> @@ -981,7 +981,6 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
>  	ret = i2c_add_numbered_adapter(adap);
>  	if (ret < 0) {
>  		sh_mobile_i2c_release_dma(pd);
> -		dev_err(&dev->dev, "cannot add numbered adapter\n");
>  		return ret;
>  	}
>  
> diff --git a/drivers/i2c/busses/i2c-sirf.c 
> b/drivers/i2c/busses/i2c-sirf.c index 792a42bdd335b9..95e81d0f72b4d2 
> 100644
> --- a/drivers/i2c/busses/i2c-sirf.c
> +++ b/drivers/i2c/busses/i2c-sirf.c
> @@ -387,10 +387,8 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev)
>  		writel(regval, siic->base + SIRFSOC_I2C_SDA_DELAY);
>  
>  	err = i2c_add_numbered_adapter(adap);
> -	if (err < 0) {
> -		dev_err(&pdev->dev, "Can't add new i2c adapter\n");
> +	if (err < 0)
>  		goto out;
> -	}
>  
>  	clk_disable(clk);
>  
> diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c 
> index 944ec420508487..1371547ce1a3a8 100644
> --- a/drivers/i2c/busses/i2c-st.c
> +++ b/drivers/i2c/busses/i2c-st.c
> @@ -874,10 +874,8 @@ static int st_i2c_probe(struct platform_device *pdev)
>  	init_completion(&i2c_dev->complete);
>  
>  	ret = i2c_add_adapter(adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c_dev);
>  
> diff --git a/drivers/i2c/busses/i2c-stu300.c 
> b/drivers/i2c/busses/i2c-stu300.c index 460c134832ac30..dc63236b45b216 
> 100644
> --- a/drivers/i2c/busses/i2c-stu300.c
> +++ b/drivers/i2c/busses/i2c-stu300.c
> @@ -920,11 +920,8 @@ static int stu300_probe(struct platform_device 
> *pdev)
>  
>  	/* i2c device drivers may be active on return from add_adapter() */
>  	ret = i2c_add_numbered_adapter(adap);
> -	if (ret) {
> -		dev_err(&pdev->dev, "failure adding ST Micro DDC "
> -		       "I2C adapter\n");
> +	if (ret)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, dev);
>  	dev_info(&pdev->dev, "ST DDC I2C @ %p, irq %d\n", diff --git 
> a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c 
> index b126dbaa47e370..d9979da11485ae 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -932,10 +932,8 @@ static int tegra_i2c_probe(struct platform_device *pdev)
>  	i2c_dev->adapter.dev.of_node = pdev->dev.of_node;
>  
>  	ret = i2c_add_numbered_adapter(&i2c_dev->adapter);
> -	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add I2C adapter\n");
> +	if (ret)
>  		goto disable_div_clk;
> -	}
>  
>  	return 0;
>  
> diff --git a/drivers/i2c/busses/i2c-uniphier-f.c 
> b/drivers/i2c/busses/i2c-uniphier-f.c
> index aeead0d27d1007..64318e69089439 100644
> --- a/drivers/i2c/busses/i2c-uniphier-f.c
> +++ b/drivers/i2c/busses/i2c-uniphier-f.c
> @@ -550,15 +550,10 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret) {
> -		dev_err(dev, "failed to add I2C adapter\n");
> -		goto err;
> -	}
> -
> -err:
>  	if (ret)
>  		clk_disable_unprepare(priv->clk);
>  
> + err:
>  	return ret;
>  }
>  
> diff --git a/drivers/i2c/busses/i2c-uniphier.c 
> b/drivers/i2c/busses/i2c-uniphier.c
> index 475a5eb514e215..94f64cccfdef08 100644
> --- a/drivers/i2c/busses/i2c-uniphier.c
> +++ b/drivers/i2c/busses/i2c-uniphier.c
> @@ -407,15 +407,10 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	ret = i2c_add_adapter(&priv->adap);
> -	if (ret) {
> -		dev_err(dev, "failed to add I2C adapter\n");
> -		goto err;
> -	}
> -
> -err:
>  	if (ret)
>  		clk_disable_unprepare(priv->clk);
>  
> + err:
>  	return ret;
>  }
>  
> diff --git a/drivers/i2c/busses/i2c-wmt.c 
> b/drivers/i2c/busses/i2c-wmt.c index e1e3a85596c562..fbd0fd59f31239 
> 100644
> --- a/drivers/i2c/busses/i2c-wmt.c
> +++ b/drivers/i2c/busses/i2c-wmt.c
> @@ -432,10 +432,8 @@ static int wmt_i2c_probe(struct platform_device *pdev)
>  	}
>  
>  	err = i2c_add_adapter(adap);
> -	if (err) {
> -		dev_err(&pdev->dev, "failed to add adapter\n");
> +	if (err)
>  		return err;
> -	}
>  
>  	platform_set_drvdata(pdev, i2c_dev);
>  
> diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c 
> b/drivers/i2c/busses/i2c-xgene-slimpro.c
> index 4233f5695352fd..263685c7a51287 100644
> --- a/drivers/i2c/busses/i2c-xgene-slimpro.c
> +++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
> @@ -418,7 +418,6 @@ static int xgene_slimpro_i2c_probe(struct platform_device *pdev)
>  	i2c_set_adapdata(adapter, ctx);
>  	rc = i2c_add_adapter(adapter);
>  	if (rc) {
> -		dev_err(&pdev->dev, "Adapter registeration failed\n");
>  		mbox_free_channel(ctx->mbox_chan);
>  		return rc;
>  	}
> diff --git a/drivers/i2c/busses/i2c-xiic.c 
> b/drivers/i2c/busses/i2c-xiic.c index 74f54f2f471fa7..66bce3b311a199 
> 100644
> --- a/drivers/i2c/busses/i2c-xiic.c
> +++ b/drivers/i2c/busses/i2c-xiic.c
> @@ -804,7 +804,6 @@ static int xiic_i2c_probe(struct platform_device *pdev)
>  	/* add i2c adapter to i2c tree */
>  	ret = i2c_add_adapter(&i2c->adap);
>  	if (ret) {
> -		dev_err(&pdev->dev, "Failed to add adapter\n");
>  		xiic_deinit(i2c);
>  		goto err_clk_dis;
>  	}
> diff --git a/drivers/i2c/busses/i2c-xlp9xx.c 
> b/drivers/i2c/busses/i2c-xlp9xx.c index 55a7bef1b2e1df..2a972ed7aa0df1 
> 100644
> --- a/drivers/i2c/busses/i2c-xlp9xx.c
> +++ b/drivers/i2c/busses/i2c-xlp9xx.c
> @@ -400,10 +400,8 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev)
>  	i2c_set_adapdata(&priv->adapter, priv);
>  
>  	err = i2c_add_adapter(&priv->adapter);
> -	if (err) {
> -		dev_err(&pdev->dev, "failed to add I2C adapter!\n");
> +	if (err)
>  		return err;
> -	}
>  
>  	platform_set_drvdata(pdev, priv);
>  	dev_dbg(&pdev->dev, "I2C bus:%d added\n", priv->adapter.nr); diff 
> --git a/drivers/i2c/busses/i2c-xlr.c b/drivers/i2c/busses/i2c-xlr.c 
> index 613c3a4f2c5142..0968f59b6df586 100644
> --- a/drivers/i2c/busses/i2c-xlr.c
> +++ b/drivers/i2c/busses/i2c-xlr.c
> @@ -432,10 +432,8 @@ static int xlr_i2c_probe(struct platform_device 
> *pdev)
>  
>  	i2c_set_adapdata(&priv->adap, priv);
>  	ret = i2c_add_numbered_adapter(&priv->adap);
> -	if (ret < 0) {
> -		dev_err(&priv->adap.dev, "Failed to add i2c bus.\n");
> +	if (ret < 0)
>  		return ret;
> -	}
>  
>  	platform_set_drvdata(pdev, priv);
>  	dev_info(&priv->adap.dev, "Added I2C Bus.\n");
> --
> 2.8.1
> 
> 
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Ludovic Desroches Aug. 10, 2016, 6:17 a.m. UTC | #12
On Tue, Aug 09, 2016 at 01:36:17PM +0200, Wolfram Sang wrote:
> The core will do this for us now.
> 
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---

[...]

>  drivers/i2c/busses/i2c-at91.c           | 2 --

Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>

[...]

> diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
> index f23372669f770f..03a519d29616d7 100644
> --- a/drivers/i2c/busses/i2c-at91.c
> +++ b/drivers/i2c/busses/i2c-at91.c
> @@ -1118,8 +1118,6 @@ static int at91_twi_probe(struct platform_device *pdev)
>  
>  	rc = i2c_add_numbered_adapter(&dev->adapter);
>  	if (rc) {
> -		dev_err(dev->dev, "Adapter %s registration failed\n",
> -			dev->adapter.name);
>  		clk_disable_unprepare(dev->clk);
>  
>  		pm_runtime_disable(dev->dev);
Krzysztof Kozlowski Aug. 10, 2016, 8:32 a.m. UTC | #13
On 08/09/2016 01:36 PM, Wolfram Sang wrote:
> The core will do this for us now.
> 
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---

(...)

>  drivers/i2c/busses/i2c-exynos5.c        | 4 +---
>  drivers/i2c/busses/i2c-s3c2410.c        | 1 -

For Exynos and S3C2410:
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

Best regards,
Krzysztof
Laxman Dewangan Aug. 10, 2016, 8:34 a.m. UTC | #14
On Tuesday 09 August 2016 05:06 PM, Wolfram Sang wrote:
> The core will do this for us now.
>
For i2c-tegra.c

Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Jean Delvare Oct. 5, 2016, 3:17 p.m. UTC | #15
On Tue,  9 Aug 2016 13:36:17 +0200, Wolfram Sang wrote:
> The core will do this for us now.
> 
> Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
> ---
>  drivers/i2c/busses/i2c-amd756.c         | 5 +----
>  drivers/i2c/busses/i2c-at91.c           | 2 --
>  drivers/i2c/busses/i2c-axxia.c          | 8 +-------
>  drivers/i2c/busses/i2c-bcm-iproc.c      | 8 +-------
>  drivers/i2c/busses/i2c-bcm-kona.c       | 4 +---
>  drivers/i2c/busses/i2c-bfin-twi.c       | 4 +---
>  drivers/i2c/busses/i2c-brcmstb.c        | 4 +---
>  drivers/i2c/busses/i2c-cadence.c        | 4 +---
>  drivers/i2c/busses/i2c-cpm.c            | 4 +---
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c | 4 +---
>  drivers/i2c/busses/i2c-davinci.c        | 4 +---
>  drivers/i2c/busses/i2c-diolan-u2c.c     | 4 +---
>  drivers/i2c/busses/i2c-dln2.c           | 4 +---
>  drivers/i2c/busses/i2c-efm32.c          | 1 -
>  drivers/i2c/busses/i2c-exynos5.c        | 4 +---
>  drivers/i2c/busses/i2c-hix5hd2.c        | 4 +---
>  drivers/i2c/busses/i2c-i801.c           | 1 -
>  drivers/i2c/busses/i2c-ibm_iic.c        | 4 +---
>  drivers/i2c/busses/i2c-img-scb.c        | 4 +---
>  drivers/i2c/busses/i2c-imx.c            | 4 +---
>  drivers/i2c/busses/i2c-isch.c           | 4 +---
>  drivers/i2c/busses/i2c-ismt.c           | 4 +---
>  drivers/i2c/busses/i2c-jz4780.c         | 4 +---
>  drivers/i2c/busses/i2c-lpc2k.c          | 4 +---
>  drivers/i2c/busses/i2c-meson.c          | 1 -
>  drivers/i2c/busses/i2c-mpc.c            | 4 +---
>  drivers/i2c/busses/i2c-mt65xx.c         | 4 +---
>  drivers/i2c/busses/i2c-mxs.c            | 1 -
>  drivers/i2c/busses/i2c-nforce2.c        | 1 -
>  drivers/i2c/busses/i2c-nomadik.c        | 4 +---
>  drivers/i2c/busses/i2c-ocores.c         | 4 +---
>  drivers/i2c/busses/i2c-octeon.c         | 4 +---
>  drivers/i2c/busses/i2c-omap.c           | 4 +---
>  drivers/i2c/busses/i2c-piix4.c          | 1 -
>  drivers/i2c/busses/i2c-pmcmsp.c         | 4 +---
>  drivers/i2c/busses/i2c-pnx.c            | 4 +---
>  drivers/i2c/busses/i2c-puv3.c           | 5 +----
>  drivers/i2c/busses/i2c-pxa.c            | 4 +---
>  drivers/i2c/busses/i2c-rcar.c           | 4 +---
>  drivers/i2c/busses/i2c-riic.c           | 4 +---
>  drivers/i2c/busses/i2c-rk3x.c           | 4 +---
>  drivers/i2c/busses/i2c-s3c2410.c        | 1 -
>  drivers/i2c/busses/i2c-sh7760.c         | 4 +---
>  drivers/i2c/busses/i2c-sh_mobile.c      | 1 -
>  drivers/i2c/busses/i2c-sirf.c           | 4 +---
>  drivers/i2c/busses/i2c-st.c             | 4 +---
>  drivers/i2c/busses/i2c-stu300.c         | 5 +----
>  drivers/i2c/busses/i2c-tegra.c          | 4 +---
>  drivers/i2c/busses/i2c-uniphier-f.c     | 7 +------
>  drivers/i2c/busses/i2c-uniphier.c       | 7 +------
>  drivers/i2c/busses/i2c-wmt.c            | 4 +---
>  drivers/i2c/busses/i2c-xgene-slimpro.c  | 1 -
>  drivers/i2c/busses/i2c-xiic.c           | 1 -
>  drivers/i2c/busses/i2c-xlp9xx.c         | 4 +---
>  drivers/i2c/busses/i2c-xlr.c            | 4 +---
>  55 files changed, 44 insertions(+), 161 deletions(-)
> (...)

I like the idea.

For i2c-amd756, i2c-diolan-u2c, i2c-i801, i2c-isch, i2c-ismt,
i2c-nforce and i2c-piix4:

Reviewed-by: Jean Delvare <jdelvare@suse.de>
diff mbox

Patch

diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 6c7113d990f882..274908cd1fdeab 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -378,11 +378,8 @@  static int amd756_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		 amd756_ioport);
 
 	error = i2c_add_adapter(&amd756_smbus);
-	if (error) {
-		dev_err(&pdev->dev,
-			"Adapter registration failed, module not inserted\n");
+	if (error)
 		goto out_err;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index f23372669f770f..03a519d29616d7 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -1118,8 +1118,6 @@  static int at91_twi_probe(struct platform_device *pdev)
 
 	rc = i2c_add_numbered_adapter(&dev->adapter);
 	if (rc) {
-		dev_err(dev->dev, "Adapter %s registration failed\n",
-			dev->adapter.name);
 		clk_disable_unprepare(dev->clk);
 
 		pm_runtime_disable(dev->dev);
diff --git a/drivers/i2c/busses/i2c-axxia.c b/drivers/i2c/busses/i2c-axxia.c
index c335cc7852f94e..d3bcaf4ab095d0 100644
--- a/drivers/i2c/busses/i2c-axxia.c
+++ b/drivers/i2c/busses/i2c-axxia.c
@@ -558,13 +558,7 @@  static int axxia_i2c_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, idev);
 
-	ret = i2c_add_adapter(&idev->adapter);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to add adapter\n");
-		return ret;
-	}
-
-	return 0;
+	return i2c_add_adapter(&idev->adapter);
 }
 
 static int axxia_i2c_remove(struct platform_device *pdev)
diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
index 19c843828fe2ca..8e3477f9297eda 100644
--- a/drivers/i2c/busses/i2c-bcm-iproc.c
+++ b/drivers/i2c/busses/i2c-bcm-iproc.c
@@ -488,13 +488,7 @@  static int bcm_iproc_i2c_probe(struct platform_device *pdev)
 	adap->dev.parent = &pdev->dev;
 	adap->dev.of_node = pdev->dev.of_node;
 
-	ret = i2c_add_adapter(adap);
-	if (ret) {
-		dev_err(iproc_i2c->device, "failed to add adapter\n");
-		return ret;
-	}
-
-	return 0;
+	return i2c_add_adapter(adap);
 }
 
 static int bcm_iproc_i2c_remove(struct platform_device *pdev)
diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c
index ac9f47679c3a4b..a5c9098507896b 100644
--- a/drivers/i2c/busses/i2c-bcm-kona.c
+++ b/drivers/i2c/busses/i2c-bcm-kona.c
@@ -858,10 +858,8 @@  static int bcm_kona_i2c_probe(struct platform_device *pdev)
 	adap->dev.of_node = pdev->dev.of_node;
 
 	rc = i2c_add_adapter(adap);
-	if (rc) {
-		dev_err(dev->device, "failed to add adapter\n");
+	if (rc)
 		return rc;
-	}
 
 	dev_info(dev->device, "device registered successfully\n");
 
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index 025686d4164058..29d00c4f7824c2 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -685,10 +685,8 @@  static int i2c_bfin_twi_probe(struct platform_device *pdev)
 	write_CONTROL(iface, read_CONTROL(iface) | TWI_ENA);
 
 	rc = i2c_add_numbered_adapter(p_adap);
-	if (rc < 0) {
-		dev_err(&pdev->dev, "Can't add i2c adapter!\n");
+	if (rc < 0)
 		goto out_error;
-	}
 
 	platform_set_drvdata(pdev, iface);
 
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
index 3f5a4d71d3bf32..bc5c176e984aea 100644
--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c
@@ -648,10 +648,8 @@  static int brcmstb_i2c_probe(struct platform_device *pdev)
 	adap->dev.parent = &pdev->dev;
 	adap->dev.of_node = pdev->dev.of_node;
 	rc = i2c_add_adapter(adap);
-	if (rc) {
-		dev_err(dev->device, "failed to add adapter\n");
+	if (rc)
 		goto probe_errorout;
-	}
 
 	dev_info(dev->device, "%s@%dhz registered in %s mode\n",
 		 int_name ? int_name : " ", dev->clk_freq_hz,
diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index 90bbd9f9dd8f77..1cc1e79e958d56 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -963,10 +963,8 @@  static int cdns_i2c_probe(struct platform_device *pdev)
 	}
 
 	ret = i2c_add_adapter(&id->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "reg adap failed: %d\n", ret);
+	if (ret < 0)
 		goto err_clk_dis;
-	}
 
 	/*
 	 * Cadence I2C controller has a bug wherein it generates
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index ee57c1e865e271..d89bde2c5da256 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -665,10 +665,8 @@  static int cpm_i2c_probe(struct platform_device *ofdev)
 	cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1;
 	result = i2c_add_numbered_adapter(&cpm->adap);
 
-	if (result < 0) {
-		dev_err(&ofdev->dev, "Unable to register with I2C\n");
+	if (result < 0)
 		goto out_shut;
-	}
 
 	dev_dbg(&ofdev->dev, "hw routines for %s registered.\n",
 		cpm->adap.name);
diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
index a0d95ff682ae12..cf334a9ec22cb7 100644
--- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
+++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
@@ -281,10 +281,8 @@  static int ec_i2c_probe(struct platform_device *pdev)
 	bus->adap.retries = I2C_MAX_RETRIES;
 
 	err = i2c_add_adapter(&bus->adap);
-	if (err) {
-		dev_err(dev, "cannot register i2c adapter\n");
+	if (err)
 		return err;
-	}
 	platform_set_drvdata(pdev, bus);
 
 	return err;
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index a8bdcb5292f5b3..9e7ef5cf5d495d 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -846,10 +846,8 @@  static int davinci_i2c_probe(struct platform_device *pdev)
 
 	adap->nr = pdev->id;
 	r = i2c_add_numbered_adapter(adap);
-	if (r) {
-		dev_err(&pdev->dev, "failure adding adapter\n");
+	if (r)
 		goto err_unuse_clocks;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index b19a310bf9b3e8..f718ee4e3332fe 100644
--- a/drivers/i2c/busses/i2c-diolan-u2c.c
+++ b/drivers/i2c/busses/i2c-diolan-u2c.c
@@ -487,10 +487,8 @@  static int diolan_u2c_probe(struct usb_interface *interface,
 
 	/* and finally attach to i2c layer */
 	ret = i2c_add_adapter(&dev->adapter);
-	if (ret < 0) {
-		dev_err(&interface->dev, "failed to add I2C adapter\n");
+	if (ret < 0)
 		goto error_free;
-	}
 
 	dev_dbg(&interface->dev, "connected " DRIVER_NAME "\n");
 
diff --git a/drivers/i2c/busses/i2c-dln2.c b/drivers/i2c/busses/i2c-dln2.c
index f2eb4f76591fbe..8acda2aa15583c 100644
--- a/drivers/i2c/busses/i2c-dln2.c
+++ b/drivers/i2c/busses/i2c-dln2.c
@@ -228,10 +228,8 @@  static int dln2_i2c_probe(struct platform_device *pdev)
 
 	/* and finally attach to i2c layer */
 	ret = i2c_add_adapter(&dln2->adapter);
-	if (ret < 0) {
-		dev_err(dev, "failed to add I2C adapter: %d\n", ret);
+	if (ret < 0)
 		goto out_disable;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-efm32.c b/drivers/i2c/busses/i2c-efm32.c
index e253598d764c0d..aa336ba89aa3fe 100644
--- a/drivers/i2c/busses/i2c-efm32.c
+++ b/drivers/i2c/busses/i2c-efm32.c
@@ -438,7 +438,6 @@  static int efm32_i2c_probe(struct platform_device *pdev)
 
 	ret = i2c_add_adapter(&ddata->adapter);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to add i2c adapter (%d)\n", ret);
 		free_irq(ddata->irq, ddata);
 
 err_disable_clk:
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index c0e3ada028763d..bea607149972d4 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -796,10 +796,8 @@  static int exynos5_i2c_probe(struct platform_device *pdev)
 	exynos5_i2c_reset(i2c);
 
 	ret = i2c_add_adapter(&i2c->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
+	if (ret < 0)
 		goto err_clk;
-	}
 
 	platform_set_drvdata(pdev, i2c);
 
diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c
index 7c6966434ee7b9..ae7f3180f7e887 100644
--- a/drivers/i2c/busses/i2c-hix5hd2.c
+++ b/drivers/i2c/busses/i2c-hix5hd2.c
@@ -478,10 +478,8 @@  static int hix5hd2_i2c_probe(struct platform_device *pdev)
 	pm_runtime_enable(priv->dev);
 
 	ret = i2c_add_adapter(&priv->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
+	if (ret < 0)
 		goto err_runtime;
-	}
 
 	return ret;
 
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 5ef9b733d153fa..22a0ed4de80da0 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1613,7 +1613,6 @@  static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		"SMBus I801 adapter at %04lx", priv->smba);
 	err = i2c_add_adapter(&priv->adapter);
 	if (err) {
-		dev_err(&dev->dev, "Failed to add SMBus adapter\n");
 		i801_acpi_remove(priv);
 		return err;
 	}
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index cdaa7be2cd1b94..412b91d255ad1d 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -751,10 +751,8 @@  static int iic_probe(struct platform_device *ofdev)
 	adap->timeout = HZ;
 
 	ret = i2c_add_adapter(adap);
-	if (ret  < 0) {
-		dev_err(&ofdev->dev, "failed to register i2c adapter\n");
+	if (ret  < 0)
 		goto error_cleanup;
-	}
 
 	dev_info(&ofdev->dev, "using %s mode\n",
 		 dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");
diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c
index ea20425b697217..db8e8b40569d98 100644
--- a/drivers/i2c/busses/i2c-img-scb.c
+++ b/drivers/i2c/busses/i2c-img-scb.c
@@ -1394,10 +1394,8 @@  static int img_i2c_probe(struct platform_device *pdev)
 		goto disable_clk;
 
 	ret = i2c_add_numbered_adapter(&i2c->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to add adapter\n");
+	if (ret < 0)
 		goto disable_clk;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 1844bc9f7cd5a2..cb11eee9567318 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1129,10 +1129,8 @@  static int i2c_imx_probe(struct platform_device *pdev)
 
 	/* Add I2C adapter */
 	ret = i2c_add_numbered_adapter(&i2c_imx->adapter);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "registration failed\n");
+	if (ret < 0)
 		goto rpm_disable;
-	}
 
 	pm_runtime_mark_last_busy(&pdev->dev);
 	pm_runtime_put_autosuspend(&pdev->dev);
diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
index c2f25f19d76f9b..0cf1379f4e8091 100644
--- a/drivers/i2c/busses/i2c-isch.c
+++ b/drivers/i2c/busses/i2c-isch.c
@@ -288,10 +288,8 @@  static int smbus_sch_probe(struct platform_device *dev)
 		"SMBus SCH adapter at %04x", sch_smba);
 
 	retval = i2c_add_adapter(&sch_adapter);
-	if (retval) {
-		dev_err(&dev->dev, "Couldn't register adapter!\n");
+	if (retval)
 		sch_smba = 0;
-	}
 
 	return retval;
 }
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 1c870771009840..f573448d213216 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -922,10 +922,8 @@  ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		return err;
 
 	err = i2c_add_adapter(&priv->adapter);
-	if (err) {
-		dev_err(&pdev->dev, "Failed to add SMBus iSMT adapter\n");
+	if (err)
 		return -ENODEV;
-	}
 	return 0;
 }
 
diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c
index cd9872594fe2a0..b8ea62105f42c9 100644
--- a/drivers/i2c/busses/i2c-jz4780.c
+++ b/drivers/i2c/busses/i2c-jz4780.c
@@ -798,10 +798,8 @@  static int jz4780_i2c_probe(struct platform_device *pdev)
 		goto err;
 
 	ret = i2c_add_adapter(&i2c->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to add bus\n");
+	if (ret < 0)
 		goto err;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
index 586a15205e61de..9b1fef455a895d 100644
--- a/drivers/i2c/busses/i2c-lpc2k.c
+++ b/drivers/i2c/busses/i2c-lpc2k.c
@@ -432,10 +432,8 @@  static int i2c_lpc2k_probe(struct platform_device *pdev)
 	i2c->adap.dev.of_node = pdev->dev.of_node;
 
 	ret = i2c_add_adapter(&i2c->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to add adapter!\n");
+	if (ret < 0)
 		goto fail_clk;
-	}
 
 	dev_info(&pdev->dev, "LPC2K I2C adapter\n");
 
diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
index 71d3929adf54ed..102d2b91771f35 100644
--- a/drivers/i2c/busses/i2c-meson.c
+++ b/drivers/i2c/busses/i2c-meson.c
@@ -453,7 +453,6 @@  static int meson_i2c_probe(struct platform_device *pdev)
 
 	ret = i2c_add_adapter(&i2c->adap);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "can't register adapter\n");
 		clk_unprepare(i2c->clk);
 		return ret;
 	}
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 48ecffecc0eda3..565a49a0c56410 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -737,10 +737,8 @@  static int fsl_i2c_probe(struct platform_device *op)
 	i2c->adap.dev.of_node = of_node_get(op->dev.of_node);
 
 	result = i2c_add_adapter(&i2c->adap);
-	if (result < 0) {
-		dev_err(i2c->dev, "failed to add adapter\n");
+	if (result < 0)
 		goto fail_add;
-	}
 
 	return result;
 
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index d9373e60be8ae3..4a7d9bc2142ba3 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -786,10 +786,8 @@  static int mtk_i2c_probe(struct platform_device *pdev)
 
 	i2c_set_adapdata(&i2c->adap, i2c);
 	ret = i2c_add_adapter(&i2c->adap);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to add i2c bus to i2c core\n");
+	if (ret)
 		return ret;
-	}
 
 	platform_set_drvdata(pdev, i2c);
 
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 033846cdf26622..5738556b6aac20 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -868,7 +868,6 @@  static int mxs_i2c_probe(struct platform_device *pdev)
 	i2c_set_adapdata(adap, i2c);
 	err = i2c_add_numbered_adapter(adap);
 	if (err) {
-		dev_err(dev, "Failed to add adapter (%d)\n", err);
 		writel(MXS_I2C_CTRL0_SFTRST,
 				i2c->regs + MXS_I2C_CTRL0_SET);
 		return err;
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index 42fcc9458432f8..374b35e7e450ce 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -366,7 +366,6 @@  static int nforce2_probe_smb(struct pci_dev *dev, int bar, int alt_reg,
 
 	error = i2c_add_adapter(&smbus->adapter);
 	if (error) {
-		dev_err(&smbus->adapter.dev, "Failed to register adapter.\n");
 		release_region(smbus->base, smbus->size);
 		return error;
 	}
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index bcd17e8cbcb4b3..da6609d628487b 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -1046,10 +1046,8 @@  static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 		 adap->name, dev->virtbase);
 
 	ret = i2c_add_adapter(adap);
-	if (ret) {
-		dev_err(&adev->dev, "failed to add adapter\n");
+	if (ret)
 		goto err_no_adap;
-	}
 
 	pm_runtime_put(&adev->dev);
 
diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
index dfa7a4b4a91d78..92692349d0c328 100644
--- a/drivers/i2c/busses/i2c-ocores.c
+++ b/drivers/i2c/busses/i2c-ocores.c
@@ -492,10 +492,8 @@  static int ocores_i2c_probe(struct platform_device *pdev)
 
 	/* add i2c adapter to i2c tree */
 	ret = i2c_add_adapter(&i2c->adap);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to add adapter\n");
+	if (ret)
 		return ret;
-	}
 
 	/* add in known devices to the bus */
 	if (pdata) {
diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c
index 30ae35146723a4..b75d2da79b27c5 100644
--- a/drivers/i2c/busses/i2c-octeon.c
+++ b/drivers/i2c/busses/i2c-octeon.c
@@ -1213,10 +1213,8 @@  static int octeon_i2c_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, i2c);
 
 	result = i2c_add_adapter(&i2c->adap);
-	if (result < 0) {
-		dev_err(i2c->dev, "failed to add adapter\n");
+	if (result < 0)
 		goto out;
-	}
 	dev_info(i2c->dev, "probed\n");
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index ab1279b8e2407a..c7da0c42baeefa 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1425,10 +1425,8 @@  omap_i2c_probe(struct platform_device *pdev)
 	/* i2c device drivers may be active on return from add_adapter() */
 	adap->nr = pdev->id;
 	r = i2c_add_numbered_adapter(adap);
-	if (r) {
-		dev_err(omap->dev, "failure adding adapter\n");
+	if (r)
 		goto err_unuse_clocks;
-	}
 
 	dev_info(omap->dev, "bus %d rev%d.%d at %d kHz\n", adap->nr,
 		 major, minor, omap->speed);
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 23d1c167b5d752..c2268cdf38e823 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -694,7 +694,6 @@  static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba,
 
 	retval = i2c_add_adapter(adap);
 	if (retval) {
-		dev_err(&dev->dev, "Couldn't register adapter!\n");
 		kfree(adapdata);
 		kfree(adap);
 		release_region(smba, SMBIOSIZE);
diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c
index 2c40edbf6224eb..217c78711d6501 100644
--- a/drivers/i2c/busses/i2c-pmcmsp.c
+++ b/drivers/i2c/busses/i2c-pmcmsp.c
@@ -329,10 +329,8 @@  static int pmcmsptwi_probe(struct platform_device *pldev)
 	i2c_set_adapdata(&pmcmsptwi_adapter, &pmcmsptwi_data);
 
 	rc = i2c_add_adapter(&pmcmsptwi_adapter);
-	if (rc) {
-		dev_err(&pldev->dev, "Unable to register I2C adapter\n");
+	if (rc)
 		goto ret_unmap;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index 7ea67aa46fb730..fd5f9d2bf6d94e 100644
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -714,10 +714,8 @@  static int i2c_pnx_probe(struct platform_device *pdev)
 
 	/* Register this adapter with the I2C subsystem */
 	ret = i2c_add_numbered_adapter(&alg_data->adapter);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "I2C: Failed to add bus\n");
+	if (ret < 0)
 		goto out_clock;
-	}
 
 	dev_dbg(&pdev->dev, "%s: Master at %#8x, irq %d.\n",
 		alg_data->adapter.name, res->start, alg_data->irq);
diff --git a/drivers/i2c/busses/i2c-puv3.c b/drivers/i2c/busses/i2c-puv3.c
index 82b6f02544dae7..0c8b1571886d5b 100644
--- a/drivers/i2c/busses/i2c-puv3.c
+++ b/drivers/i2c/busses/i2c-puv3.c
@@ -212,11 +212,8 @@  static int puv3_i2c_probe(struct platform_device *pdev)
 
 	adapter->nr = pdev->id;
 	rc = i2c_add_numbered_adapter(adapter);
-	if (rc) {
-		dev_err(&pdev->dev, "Adapter '%s' registration failed\n",
-				adapter->name);
+	if (rc)
 		goto fail_add_adapter;
-	}
 
 	dev_info(&pdev->dev, "PKUnity v3 i2c bus adapter.\n");
 	return 0;
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 0d351954db02b9..e28b825b043378 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1292,10 +1292,8 @@  static int i2c_pxa_probe(struct platform_device *dev)
 #endif
 
 	ret = i2c_add_numbered_adapter(&i2c->adap);
-	if (ret < 0) {
-		dev_err(&dev->dev, "failed to add bus: %d\n", ret);
+	if (ret < 0)
 		goto ereqirq;
-	}
 
 	platform_set_drvdata(dev, i2c);
 
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 52407f3c9e1cce..400e344704d273 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -875,10 +875,8 @@  static int rcar_i2c_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, priv);
 
 	ret = i2c_add_numbered_adapter(adap);
-	if (ret < 0) {
-		dev_err(dev, "reg adap failed: %d\n", ret);
+	if (ret < 0)
 		goto out_pm_disable;
-	}
 
 	dev_info(dev, "probed\n");
 
diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
index d7e3af67154373..6263ea82d6ac3b 100644
--- a/drivers/i2c/busses/i2c-riic.c
+++ b/drivers/i2c/busses/i2c-riic.c
@@ -383,10 +383,8 @@  static int riic_i2c_probe(struct platform_device *pdev)
 
 
 	ret = i2c_add_adapter(adap);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to add adapter\n");
+	if (ret)
 		return ret;
-	}
 
 	platform_set_drvdata(pdev, riic);
 
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 2bc8b01153d619..3b87afe82f6394 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1303,10 +1303,8 @@  static int rk3x_i2c_probe(struct platform_device *pdev)
 	rk3x_i2c_adapt_div(i2c, clk_rate);
 
 	ret = i2c_add_adapter(&i2c->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Could not register adapter\n");
+	if (ret < 0)
 		goto err_clk_notifier;
-	}
 
 	dev_info(&pdev->dev, "Initialized RK3xxx I2C bus at %p\n", i2c->regs);
 
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 38dc1cacfd8bba..499af26e736e7e 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1215,7 +1215,6 @@  static int s3c24xx_i2c_probe(struct platform_device *pdev)
 
 	ret = i2c_add_numbered_adapter(&i2c->adap);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to add bus to i2c core\n");
 		pm_runtime_disable(&pdev->dev);
 		s3c24xx_i2c_deregister_cpufreq(i2c);
 		clk_unprepare(i2c->clk);
diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c
index 24968384b4014f..c2005c789d2b09 100644
--- a/drivers/i2c/busses/i2c-sh7760.c
+++ b/drivers/i2c/busses/i2c-sh7760.c
@@ -510,10 +510,8 @@  static int sh7760_i2c_probe(struct platform_device *pdev)
 	}
 
 	ret = i2c_add_numbered_adapter(&id->adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "reg adap failed: %d\n", ret);
+	if (ret < 0)
 		goto out4;
-	}
 
 	platform_set_drvdata(pdev, id);
 
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 6fb3e264599229..50f276e8d17967 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -981,7 +981,6 @@  static int sh_mobile_i2c_probe(struct platform_device *dev)
 	ret = i2c_add_numbered_adapter(adap);
 	if (ret < 0) {
 		sh_mobile_i2c_release_dma(pd);
-		dev_err(&dev->dev, "cannot add numbered adapter\n");
 		return ret;
 	}
 
diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c
index 792a42bdd335b9..95e81d0f72b4d2 100644
--- a/drivers/i2c/busses/i2c-sirf.c
+++ b/drivers/i2c/busses/i2c-sirf.c
@@ -387,10 +387,8 @@  static int i2c_sirfsoc_probe(struct platform_device *pdev)
 		writel(regval, siic->base + SIRFSOC_I2C_SDA_DELAY);
 
 	err = i2c_add_numbered_adapter(adap);
-	if (err < 0) {
-		dev_err(&pdev->dev, "Can't add new i2c adapter\n");
+	if (err < 0)
 		goto out;
-	}
 
 	clk_disable(clk);
 
diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c
index 944ec420508487..1371547ce1a3a8 100644
--- a/drivers/i2c/busses/i2c-st.c
+++ b/drivers/i2c/busses/i2c-st.c
@@ -874,10 +874,8 @@  static int st_i2c_probe(struct platform_device *pdev)
 	init_completion(&i2c_dev->complete);
 
 	ret = i2c_add_adapter(adap);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to add adapter\n");
+	if (ret)
 		return ret;
-	}
 
 	platform_set_drvdata(pdev, i2c_dev);
 
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
index 460c134832ac30..dc63236b45b216 100644
--- a/drivers/i2c/busses/i2c-stu300.c
+++ b/drivers/i2c/busses/i2c-stu300.c
@@ -920,11 +920,8 @@  static int stu300_probe(struct platform_device *pdev)
 
 	/* i2c device drivers may be active on return from add_adapter() */
 	ret = i2c_add_numbered_adapter(adap);
-	if (ret) {
-		dev_err(&pdev->dev, "failure adding ST Micro DDC "
-		       "I2C adapter\n");
+	if (ret)
 		return ret;
-	}
 
 	platform_set_drvdata(pdev, dev);
 	dev_info(&pdev->dev, "ST DDC I2C @ %p, irq %d\n",
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index b126dbaa47e370..d9979da11485ae 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -932,10 +932,8 @@  static int tegra_i2c_probe(struct platform_device *pdev)
 	i2c_dev->adapter.dev.of_node = pdev->dev.of_node;
 
 	ret = i2c_add_numbered_adapter(&i2c_dev->adapter);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to add I2C adapter\n");
+	if (ret)
 		goto disable_div_clk;
-	}
 
 	return 0;
 
diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c
index aeead0d27d1007..64318e69089439 100644
--- a/drivers/i2c/busses/i2c-uniphier-f.c
+++ b/drivers/i2c/busses/i2c-uniphier-f.c
@@ -550,15 +550,10 @@  static int uniphier_fi2c_probe(struct platform_device *pdev)
 	}
 
 	ret = i2c_add_adapter(&priv->adap);
-	if (ret) {
-		dev_err(dev, "failed to add I2C adapter\n");
-		goto err;
-	}
-
-err:
 	if (ret)
 		clk_disable_unprepare(priv->clk);
 
+ err:
 	return ret;
 }
 
diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
index 475a5eb514e215..94f64cccfdef08 100644
--- a/drivers/i2c/busses/i2c-uniphier.c
+++ b/drivers/i2c/busses/i2c-uniphier.c
@@ -407,15 +407,10 @@  static int uniphier_i2c_probe(struct platform_device *pdev)
 	}
 
 	ret = i2c_add_adapter(&priv->adap);
-	if (ret) {
-		dev_err(dev, "failed to add I2C adapter\n");
-		goto err;
-	}
-
-err:
 	if (ret)
 		clk_disable_unprepare(priv->clk);
 
+ err:
 	return ret;
 }
 
diff --git a/drivers/i2c/busses/i2c-wmt.c b/drivers/i2c/busses/i2c-wmt.c
index e1e3a85596c562..fbd0fd59f31239 100644
--- a/drivers/i2c/busses/i2c-wmt.c
+++ b/drivers/i2c/busses/i2c-wmt.c
@@ -432,10 +432,8 @@  static int wmt_i2c_probe(struct platform_device *pdev)
 	}
 
 	err = i2c_add_adapter(adap);
-	if (err) {
-		dev_err(&pdev->dev, "failed to add adapter\n");
+	if (err)
 		return err;
-	}
 
 	platform_set_drvdata(pdev, i2c_dev);
 
diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
index 4233f5695352fd..263685c7a51287 100644
--- a/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -418,7 +418,6 @@  static int xgene_slimpro_i2c_probe(struct platform_device *pdev)
 	i2c_set_adapdata(adapter, ctx);
 	rc = i2c_add_adapter(adapter);
 	if (rc) {
-		dev_err(&pdev->dev, "Adapter registeration failed\n");
 		mbox_free_channel(ctx->mbox_chan);
 		return rc;
 	}
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 74f54f2f471fa7..66bce3b311a199 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -804,7 +804,6 @@  static int xiic_i2c_probe(struct platform_device *pdev)
 	/* add i2c adapter to i2c tree */
 	ret = i2c_add_adapter(&i2c->adap);
 	if (ret) {
-		dev_err(&pdev->dev, "Failed to add adapter\n");
 		xiic_deinit(i2c);
 		goto err_clk_dis;
 	}
diff --git a/drivers/i2c/busses/i2c-xlp9xx.c b/drivers/i2c/busses/i2c-xlp9xx.c
index 55a7bef1b2e1df..2a972ed7aa0df1 100644
--- a/drivers/i2c/busses/i2c-xlp9xx.c
+++ b/drivers/i2c/busses/i2c-xlp9xx.c
@@ -400,10 +400,8 @@  static int xlp9xx_i2c_probe(struct platform_device *pdev)
 	i2c_set_adapdata(&priv->adapter, priv);
 
 	err = i2c_add_adapter(&priv->adapter);
-	if (err) {
-		dev_err(&pdev->dev, "failed to add I2C adapter!\n");
+	if (err)
 		return err;
-	}
 
 	platform_set_drvdata(pdev, priv);
 	dev_dbg(&pdev->dev, "I2C bus:%d added\n", priv->adapter.nr);
diff --git a/drivers/i2c/busses/i2c-xlr.c b/drivers/i2c/busses/i2c-xlr.c
index 613c3a4f2c5142..0968f59b6df586 100644
--- a/drivers/i2c/busses/i2c-xlr.c
+++ b/drivers/i2c/busses/i2c-xlr.c
@@ -432,10 +432,8 @@  static int xlr_i2c_probe(struct platform_device *pdev)
 
 	i2c_set_adapdata(&priv->adap, priv);
 	ret = i2c_add_numbered_adapter(&priv->adap);
-	if (ret < 0) {
-		dev_err(&priv->adap.dev, "Failed to add i2c bus.\n");
+	if (ret < 0)
 		return ret;
-	}
 
 	platform_set_drvdata(pdev, priv);
 	dev_info(&priv->adap.dev, "Added I2C Bus.\n");