amba: Convert to devm_ioremap_resource()
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>
diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index 536c166..ab92785 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -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 @@
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);