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amba: Convert to devm_ioremap_resource()

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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding 2013-01-21 11:08:57 +01:00 committed by Greg Kroah-Hartman
parent 7c390a7e95
commit 903b33e029
1 changed files with 4 additions and 3 deletions
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7
drivers/amba/tegra-ahb.c
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@ -20,6 +20,7 @@
*
*/
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@ -257,9 +258,9 @@ static int tegra_ahb_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
ahb->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!ahb->regs)
return -EBUSY;
ahb->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(ahb->regs))
return PTR_ERR(ahb->regs);
ahb->dev = &pdev->dev;
platform_set_drvdata(pdev, ahb);