* [PATCH v2] memory: mtk-smi: Handle return value of clk_prepare_enable
@ 2017-08-10 5:17 Arvind Yadav
2017-08-15 15:47 ` Joerg Roedel
0 siblings, 1 reply; 2+ messages in thread
From: Arvind Yadav @ 2017-08-10 5:17 UTC (permalink / raw)
To: linux-arm-kernel
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
changes in v2:
Rebase patch[1]https://lkml.org/lkml/2017/8/3/968
and apply this change. Otherwise will merge conflict.
drivers/memory/mtk-smi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 2b798bb..583fb8d 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -315,6 +315,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
struct mtk_smi *common;
struct resource *res;
enum mtk_smi_gen smi_gen;
+ int ret;
if (!dev->pm_domain)
return -EPROBE_DEFER;
@@ -349,7 +350,9 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
if (IS_ERR(common->clk_async))
return PTR_ERR(common->clk_async);
- clk_prepare_enable(common->clk_async);
+ ret = clk_prepare_enable(common->clk_async);
+ if (ret)
+ return ret;
}
pm_runtime_enable(dev);
platform_set_drvdata(pdev, common);
--
1.9.1
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2017-08-10 5:17 [PATCH v2] memory: mtk-smi: Handle return value of clk_prepare_enable Arvind Yadav
2017-08-15 15:47 ` Joerg Roedel
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