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/s5p-sss.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index cf149b1..be45762 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -568,17 +568,14 @@ static int s5p_aes_probe(struct platform_device *pdev)
if (s5p_dev)
return -EEXIST;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENODEV;
-
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- if (!devm_request_mem_region(dev, res->start,
- resource_size(res), pdev->name))
- return -EBUSY;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ pdata->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(pdata->ioaddr))
+ return PTR_ERR(pdata->ioaddr);
pdata->clk = devm_clk_get(dev, "secss");
if (IS_ERR(pdata->clk)) {
@@ -589,8 +586,6 @@ static int s5p_aes_probe(struct platform_device *pdev)
clk_enable(pdata->clk);
spin_lock_init(&pdata->lock);
- pdata->ioaddr = devm_ioremap(dev, res->start,
- resource_size(res));
pdata->irq_hash = platform_get_irq_byname(pdev, "hash");
if (pdata->irq_hash < 0) {
--
1.7.10.4
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