diff mbox series

iio: adc: mt6577_auxdac: use devm_platform_ioremap_resource

Message ID 20191013121538.1782436-1-jic23@kernel.org (mailing list archive)
State New, archived
Headers show
Series iio: adc: mt6577_auxdac: use devm_platform_ioremap_resource | expand

Commit Message

Jonathan Cameron Oct. 13, 2019, 12:15 p.m. UTC
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Reduces boilerplate.  Identified by coccinelle

CHECK   drivers/iio/adc/mt6577_auxadc.c
drivers/iio/adc/mt6577_auxadc.c:257:1-18: WARNING: Use devm_platform_ioremap_resource for adc_dev -> reg_base

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Zhiyong Tao <zhiyong.tao@mediatek.com>
---
 drivers/iio/adc/mt6577_auxadc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Alexandru Ardelean Nov. 4, 2019, 3:14 p.m. UTC | #1
On Sun, 2019-10-13 at 13:15 +0100, jic23@kernel.org wrote:
> From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 
> Reduces boilerplate.  Identified by coccinelle
> 
> CHECK   drivers/iio/adc/mt6577_auxadc.c
> drivers/iio/adc/mt6577_auxadc.c:257:1-18: WARNING: Use
> devm_platform_ioremap_resource for adc_dev -> reg_base
> 

Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>


> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Cc: Zhiyong Tao <zhiyong.tao@mediatek.com>
> ---
>  drivers/iio/adc/mt6577_auxadc.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/iio/adc/mt6577_auxadc.c
> b/drivers/iio/adc/mt6577_auxadc.c
> index 7bbb64ca3b32..a4776d924f3a 100644
> --- a/drivers/iio/adc/mt6577_auxadc.c
> +++ b/drivers/iio/adc/mt6577_auxadc.c
> @@ -237,7 +237,6 @@ static int mt6577_auxadc_probe(struct platform_device
> *pdev)
>  {
>  	struct mt6577_auxadc_device *adc_dev;
>  	unsigned long adc_clk_rate;
> -	struct resource *res;
>  	struct iio_dev *indio_dev;
>  	int ret;
>  
> @@ -253,8 +252,7 @@ static int mt6577_auxadc_probe(struct platform_device
> *pdev)
>  	indio_dev->channels = mt6577_auxadc_iio_channels;
>  	indio_dev->num_channels = ARRAY_SIZE(mt6577_auxadc_iio_channels);
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	adc_dev->reg_base = devm_ioremap_resource(&pdev->dev, res);
> +	adc_dev->reg_base = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(adc_dev->reg_base)) {
>  		dev_err(&pdev->dev, "failed to get auxadc base address\n");
>  		return PTR_ERR(adc_dev->reg_base);
Jonathan Cameron Nov. 9, 2019, 12:15 p.m. UTC | #2
On Mon, 4 Nov 2019 15:14:32 +0000
"Ardelean, Alexandru" <alexandru.Ardelean@analog.com> wrote:

> On Sun, 2019-10-13 at 13:15 +0100, jic23@kernel.org wrote:
> > From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> > 
> > Reduces boilerplate.  Identified by coccinelle
> > 
> > CHECK   drivers/iio/adc/mt6577_auxadc.c
> > drivers/iio/adc/mt6577_auxadc.c:257:1-18: WARNING: Use
> > devm_platform_ioremap_resource for adc_dev -> reg_base
> >   
> 
> Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Applied.

Thanks,

Jonathan

> 
> 
> > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> > Cc: Zhiyong Tao <zhiyong.tao@mediatek.com>
> > ---
> >  drivers/iio/adc/mt6577_auxadc.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> > 
> > diff --git a/drivers/iio/adc/mt6577_auxadc.c
> > b/drivers/iio/adc/mt6577_auxadc.c
> > index 7bbb64ca3b32..a4776d924f3a 100644
> > --- a/drivers/iio/adc/mt6577_auxadc.c
> > +++ b/drivers/iio/adc/mt6577_auxadc.c
> > @@ -237,7 +237,6 @@ static int mt6577_auxadc_probe(struct platform_device
> > *pdev)
> >  {
> >  	struct mt6577_auxadc_device *adc_dev;
> >  	unsigned long adc_clk_rate;
> > -	struct resource *res;
> >  	struct iio_dev *indio_dev;
> >  	int ret;
> >  
> > @@ -253,8 +252,7 @@ static int mt6577_auxadc_probe(struct platform_device
> > *pdev)
> >  	indio_dev->channels = mt6577_auxadc_iio_channels;
> >  	indio_dev->num_channels = ARRAY_SIZE(mt6577_auxadc_iio_channels);
> >  
> > -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > -	adc_dev->reg_base = devm_ioremap_resource(&pdev->dev, res);
> > +	adc_dev->reg_base = devm_platform_ioremap_resource(pdev, 0);
> >  	if (IS_ERR(adc_dev->reg_base)) {
> >  		dev_err(&pdev->dev, "failed to get auxadc base address\n");
> >  		return PTR_ERR(adc_dev->reg_base);
diff mbox series

Patch

diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c
index 7bbb64ca3b32..a4776d924f3a 100644
--- a/drivers/iio/adc/mt6577_auxadc.c
+++ b/drivers/iio/adc/mt6577_auxadc.c
@@ -237,7 +237,6 @@  static int mt6577_auxadc_probe(struct platform_device *pdev)
 {
 	struct mt6577_auxadc_device *adc_dev;
 	unsigned long adc_clk_rate;
-	struct resource *res;
 	struct iio_dev *indio_dev;
 	int ret;
 
@@ -253,8 +252,7 @@  static int mt6577_auxadc_probe(struct platform_device *pdev)
 	indio_dev->channels = mt6577_auxadc_iio_channels;
 	indio_dev->num_channels = ARRAY_SIZE(mt6577_auxadc_iio_channels);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	adc_dev->reg_base = devm_ioremap_resource(&pdev->dev, res);
+	adc_dev->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(adc_dev->reg_base)) {
 		dev_err(&pdev->dev, "failed to get auxadc base address\n");
 		return PTR_ERR(adc_dev->reg_base);