UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

iommu/exynos: Use the devm_clk_get_optional() helper 

Use devm_clk_get_optional() instead of hand writing it.
This saves some loC and improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/99c0d5ce643737ee0952df41fd60433a0bbeb447.1679834256.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Christophe JAILLET 2023-03-26 14:37:50 +02:00 committed by Joerg Roedel
parent e8d018dd02
commit 5e799a7cee
1 changed files with 8 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/iommu/exynos-iommu.c
View File

@ -747,22 +747,16 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
return ret;
}
data->clk = devm_clk_get(dev, "sysmmu");
if (PTR_ERR(data->clk) == -ENOENT)
data->clk = NULL;
else if (IS_ERR(data->clk))
data->clk = devm_clk_get_optional(dev, "sysmmu");
if (IS_ERR(data->clk))
return PTR_ERR(data->clk);
data->aclk = devm_clk_get(dev, "aclk");
if (PTR_ERR(data->aclk) == -ENOENT)
data->aclk = NULL;
else if (IS_ERR(data->aclk))
data->aclk = devm_clk_get_optional(dev, "aclk");
if (IS_ERR(data->aclk))
return PTR_ERR(data->aclk);
data->pclk = devm_clk_get(dev, "pclk");
if (PTR_ERR(data->pclk) == -ENOENT)
data->pclk = NULL;
else if (IS_ERR(data->pclk))
data->pclk = devm_clk_get_optional(dev, "pclk");
if (IS_ERR(data->pclk))
return PTR_ERR(data->pclk);
if (!data->clk && (!data->aclk || !data->pclk)) {
@ -770,10 +764,8 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
return -ENOSYS;
}
data->clk_master = devm_clk_get(dev, "master");
if (PTR_ERR(data->clk_master) == -ENOENT)
data->clk_master = NULL;
else if (IS_ERR(data->clk_master))
data->clk_master = devm_clk_get_optional(dev, "master");
if (IS_ERR(data->clk_master))
return PTR_ERR(data->clk_master);
data->sysmmu = dev;