Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1....@samsung.com>
---
drivers/crypto/tegra-aes.c | 20 +++-----------------
1 file changed, 3 insertions(+), 17 deletions(-)
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c
index 060eecc..fa3dc14 100644
--- a/drivers/crypto/tegra-aes.c
+++ b/drivers/crypto/tegra-aes.c
@@ -896,23 +896,9 @@ static int tegra_aes_probe(struct platform_device *pdev)
/* Get the module base address */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "invalid resource type: base\n");
- err = -ENODEV;
- goto out;
- }
-
- if (!devm_request_mem_region(&pdev->dev, res->start,
- resource_size(res),
- dev_name(&pdev->dev))) {
- dev_err(&pdev->dev, "Couldn't request MEM resource\n");
- return -ENODEV;
- }
-
- dd->io_base = devm_ioremap(dev, res->start, resource_size(res));
- if (!dd->io_base) {
- dev_err(dev, "can't ioremap register space\n");
- err = -ENOMEM;
+ dd->io_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(dd->io_base)) {
+ err = PTR_ERR(dd->io_base);
goto out;
}
--
1.7.10.4
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