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

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Hello.

On 01-04-2014 14:25, Ben Dooks wrote:

Start tidying the probe/release code by using devm_ioremap_resource() to
map the IO registers.

Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
  drivers/mmc/host/sh_mmcif.c | 20 +++++---------------
  1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index c48df98..be6be2b 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1379,22 +1379,17 @@ 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) {
+	reg = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(reg)) {
  		dev_err(&pdev->dev, "ioremap error.\n");
  		return -ENOMEM;

   Should propagate devm_ioremap_resource() error instead.

[...]

WBR, Sergei

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