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Groups > linux.kernel > #1706033 > unrolled thread
| Started by | Arvind Yadav <arvind.yadav.cs@gmail.com> |
|---|---|
| First post | 2017-08-08 07:40 +0200 |
| Last post | 2017-08-08 10:40 +0200 |
| Articles | 2 — 2 participants |
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[PATCH] memory: mtk-smi: Handle return value of clk_prepare_enable Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-08-08 07:40 +0200
Re: [PATCH] memory: mtk-smi: Handle return value of clk_prepare_enable Honghui Zhang <honghui.zhang@mediatek.com> - 2017-08-08 10:40 +0200
| From | Arvind Yadav <arvind.yadav.cs@gmail.com> |
|---|---|
| Date | 2017-08-08 07:40 +0200 |
| Subject | [PATCH] memory: mtk-smi: Handle return value of clk_prepare_enable |
| Message-ID | <uc5pf-3kw-1@gated-at.bofh.it> |
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- 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 4afbc41..edf36f0 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -321,6 +321,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev) struct resource *res; const struct of_device_id *of_id; enum mtk_smi_gen smi_gen; + int ret; if (!dev->pm_domain) return -EPROBE_DEFER; @@ -359,7 +360,9 @@ 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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| From | Honghui Zhang <honghui.zhang@mediatek.com> |
|---|---|
| Date | 2017-08-08 10:40 +0200 |
| Subject | Re: [PATCH] memory: mtk-smi: Handle return value of clk_prepare_enable |
| Message-ID | <uc8ds-5nN-21@gated-at.bofh.it> |
| In reply to | #1706033 |
On Tue, 2017-08-08 at 11:06 +0530, Arvind Yadav wrote: > clk_prepare_enable() can fail here and we must check its return value. > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> > --- Hi, Arvind, please rebase this to my latest patchset[1], it's been applied by Joerg. And please send this one to Joerg and iommu mail list. otherwise: Acked-by: Honghui Zhang <honghui.zhang@mediatek.com> [1]https://lkml.org/lkml/2017/8/3/968 Thanks. > 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 4afbc41..edf36f0 100644 > --- a/drivers/memory/mtk-smi.c > +++ b/drivers/memory/mtk-smi.c > @@ -321,6 +321,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev) > struct resource *res; > const struct of_device_id *of_id; > enum mtk_smi_gen smi_gen; > + int ret; > > if (!dev->pm_domain) > return -EPROBE_DEFER; > @@ -359,7 +360,9 @@ 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);
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