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.red...@avionic-design.de>
Cc: Joerg Roedel <j...@8bytes.org>
Cc: io...@lists.linux-foundation.org
---
drivers/iommu/tegra-smmu.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index fc17889..f08dbcd 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -19,6 +19,7 @@
#define pr_fmt(fmt) "%s(): " fmt, __func__
+#include <linux/err.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
@@ -1176,9 +1177,9 @@ static int tegra_smmu_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
if (!res)
return -ENODEV;
- smmu->regs[i] = devm_request_and_ioremap(&pdev->dev, res);
- if (!smmu->regs[i])
- return -EBUSY;
+ smmu->regs[i] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(smmu->regs[i]))
+ return PTR_ERR(smmu->regs[i]);
}
err = of_get_dma_window(dev->of_node, NULL, 0, NULL, &base, &size);
--
1.8.1.1
--
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