Looks good. Please add my ACK.

Thanks.

-----Original Message-----
From: Jingoo Han [mailto:jg1....@samsung.com] 
Sent: Wednesday, February 12, 2014 9:57 AM
To: 'Herbert Xu'
Cc: 'David Miller'; linux-crypto@vger.kernel.org; 'Jingoo Han'; 'Stephen 
Warren'; 'Thierry Reding'; Varun Wadekar
Subject: [PATCH 4/4] crypto: tegra-aes - Use devm_ioremap_resource()

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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