Re: [PATCH v4] blackfin: bf609: let clk_disable() return immediately if clk is NULL

From: Masahiro Yamada
Date: Sat Jan 28 2017 - 08:35:31 EST


Hi Steven,

Ping again.

Could you apply this, please?

2016-11-06 0:47 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
> Hi Steven,
>
> Could you take a look at this patch, please?
>
>
> 2016-09-19 3:03 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
>> In many of clk_disable() implementations, it is a no-op for a NULL
>> pointer input, but this is one of the exceptions.
>>
>> Making it treewide consistent will allow clock consumers to call
>> clk_disable() without NULL pointer check.
>>
>> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
>> ---
>>
>> Changes in v4:
>> - Split into per-arch patches
>>
>> Changes in v3:
>> - Return only when clk is NULL. Do not take care of error pointer.
>>
>> Changes in v2:
>> - Rebase on Linux 4.6-rc1
>>
>> arch/blackfin/mach-bf609/clock.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/arch/blackfin/mach-bf609/clock.c b/arch/blackfin/mach-bf609/clock.c
>> index 3783058..392a59b 100644
>> --- a/arch/blackfin/mach-bf609/clock.c
>> +++ b/arch/blackfin/mach-bf609/clock.c
>> @@ -97,6 +97,9 @@ EXPORT_SYMBOL(clk_enable);
>>
>> void clk_disable(struct clk *clk)
>> {
>> + if (!clk)
>> + return;
>> +
>> if (clk->ops && clk->ops->disable)
>> clk->ops->disable(clk);
>> }
>> --
>> 1.9.1
>>
>
>
>
> --
> Best Regards
> Masahiro Yamada



--
Best Regards
Masahiro Yamada