Re: [PATCH] phy: hix5hd2-sata: Convert to use devm_ioremap_resource

From: zhangfei
Date: Mon Mar 02 2015 - 02:42:52 EST




On 03/02/2015 02:32 PM, Axel Lin wrote:
devm_ioremap_resource() also has sanity check for the res argument which is
missed in current code.

I remember we can not use devm_ioremap_resource here, because the memory region is shared with sata controller.
And devm_request_mem_region would fail.
So we directly use devm_ioremap here.


Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/phy/phy-hix5hd2-sata.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/phy-hix5hd2-sata.c b/drivers/phy/phy-hix5hd2-sata.c
index 34915b4..798adcf 100644
--- a/drivers/phy/phy-hix5hd2-sata.c
+++ b/drivers/phy/phy-hix5hd2-sata.c
@@ -147,9 +147,9 @@ static int hix5hd2_sata_phy_probe(struct platform_device *pdev)
return -ENOMEM;

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->base = devm_ioremap(dev, res->start, resource_size(res));
- if (!priv->base)
- return -ENOMEM;
+ priv->base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(priv->base))
+ return PTR_ERR(priv->base);

priv->peri_ctrl = syscon_regmap_lookup_by_phandle(dev->of_node,
"hisilicon,peripheral-syscon");

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/