[PATCH 4/4] crypto: tegra-aes - Use devm_ioremap_resource()
From: Jingoo Han <hidden>
Date: 2014-02-12 04:26:56
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
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 <redacted> --- 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