diff mbox

[2/6] mmc: sh-mmcif: use devm_ for ioremap

Message ID 1401882133-11050-3-git-send-email-ben.dooks@codethink.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Ben Dooks June 4, 2014, 11:42 a.m. UTC
Start tidying the probe/release code by using devm_ioremap_resource() to
map the IO registers.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
Fixes from v1:
	- return the PTR_ERR() from devm_ioremap
	- remove error print as it already shows an error
---
 drivers/mmc/host/sh_mmcif.c | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

Comments

Ulf Hansson June 4, 2014, 12:58 p.m. UTC | #1
On 4 June 2014 13:42, Ben Dooks <ben.dooks@codethink.co.uk> wrote:
> Start tidying the probe/release code by using devm_ioremap_resource() to
> map the IO registers.
>
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

> ---
> Fixes from v1:
>         - return the PTR_ERR() from devm_ioremap
>         - remove error print as it already shows an error
> ---
>  drivers/mmc/host/sh_mmcif.c | 24 ++++++------------------
>  1 file changed, 6 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
> index 7f819f1..3ed54c8 100644
> --- a/drivers/mmc/host/sh_mmcif.c
> +++ b/drivers/mmc/host/sh_mmcif.c
> @@ -1377,22 +1377,15 @@ static int sh_mmcif_probe(struct platform_device *pdev)
>                 dev_err(&pdev->dev, "Get irq error\n");
>                 return -ENXIO;
>         }
> +
>         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       if (!res) {
> -               dev_err(&pdev->dev, "platform_get_resource error.\n");
> -               return -ENXIO;
> -       }
> -       reg = ioremap(res->start, resource_size(res));
> -       if (!reg) {
> -               dev_err(&pdev->dev, "ioremap error.\n");
> -               return -ENOMEM;
> -       }
> +       reg = devm_ioremap_resource(&pdev->dev, res);
> +       if (IS_ERR(reg))
> +               return PTR_ERR(reg);
>
>         mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev);
> -       if (!mmc) {
> -               ret = -ENOMEM;
> -               goto ealloch;
> -       }
> +       if (!mmc)
> +               return -ENOMEM;
>
>         ret = mmc_of_parse(mmc);
>         if (ret < 0)
> @@ -1497,8 +1490,6 @@ eclkget:
>         pm_runtime_disable(&pdev->dev);
>  eofparse:
>         mmc_free_host(mmc);
> -ealloch:
> -       iounmap(reg);
>         return ret;
>  }
>
> @@ -1523,9 +1514,6 @@ static int sh_mmcif_remove(struct platform_device *pdev)
>          */
>         cancel_delayed_work_sync(&host->timeout_work);
>
> -       if (host->addr)
> -               iounmap(host->addr);
> -
>         irq[0] = platform_get_irq(pdev, 0);
>         irq[1] = platform_get_irq(pdev, 1);
>
> --
> 2.0.0.rc2
>
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diff mbox

Patch

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 7f819f1..3ed54c8 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1377,22 +1377,15 @@  static int sh_mmcif_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "Get irq error\n");
 		return -ENXIO;
 	}
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "platform_get_resource error.\n");
-		return -ENXIO;
-	}
-	reg = ioremap(res->start, resource_size(res));
-	if (!reg) {
-		dev_err(&pdev->dev, "ioremap error.\n");
-		return -ENOMEM;
-	}
+	reg = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(reg))
+		return PTR_ERR(reg);
 
 	mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev);
-	if (!mmc) {
-		ret = -ENOMEM;
-		goto ealloch;
-	}
+	if (!mmc)
+		return -ENOMEM;
 
 	ret = mmc_of_parse(mmc);
 	if (ret < 0)
@@ -1497,8 +1490,6 @@  eclkget:
 	pm_runtime_disable(&pdev->dev);
 eofparse:
 	mmc_free_host(mmc);
-ealloch:
-	iounmap(reg);
 	return ret;
 }
 
@@ -1523,9 +1514,6 @@  static int sh_mmcif_remove(struct platform_device *pdev)
 	 */
 	cancel_delayed_work_sync(&host->timeout_work);
 
-	if (host->addr)
-		iounmap(host->addr);
-
 	irq[0] = platform_get_irq(pdev, 0);
 	irq[1] = platform_get_irq(pdev, 1);