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SubjectRe: [PATCH linux-next] drivers: dma: Fix sparse warning for mux_configure32
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On 2019/8/13 12:43, Vinod Koul wrote:
> On 12-08-19, 15:42, Mao Wenan wrote:
>
> Patch title is incorrect, it should mention the changes in patch, for
> example make mux_configure32 static
>
> Do read up on Documentation/process/submitting-patches.rst again!
>
>> There is one sparse warning in drivers/dma/fsl-edma-common.c,
>
> It will help to explain the warning before the fix
>
>> fix it by setting mux_configure32() as static.
>>
>> make allmodconfig ARCH=mips CROSS_COMPILE=mips-linux-gnu-
>> make C=2 drivers/dma/fsl-edma-common.o ARCH=mips CROSS_COMPILE=mips-linux-gnu-
>
> Make cmds are not relevant for the log
>
>> drivers/dma/fsl-edma-common.c:93:6: warning: symbol 'mux_configure32' was not declared. Should it be static?
>
> This one is and should be retained
>
>>
>> Fixes: 232a7f18cf8ec ("dmaengine: fsl-edma: add i.mx7ulp edma2 version support")
>> Signed-off-by: Mao Wenan <maowenan@huawei.com>
>> ---
>> drivers/dma/fsl-edma-common.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
>> index 6d6d8a4..7dbf7df 100644
>> --- a/drivers/dma/fsl-edma-common.c
>> +++ b/drivers/dma/fsl-edma-common.c
>> @@ -90,8 +90,8 @@ static void mux_configure8(struct fsl_edma_chan *fsl_chan, void __iomem *addr,
>> iowrite8(val8, addr + off);
>> }
>>
>> -void mux_configure32(struct fsl_edma_chan *fsl_chan, void __iomem *addr,
>> - u32 off, u32 slot, bool enable)
>> +static void mux_configure32(struct fsl_edma_chan *fsl_chan, void __iomem *addr,
>
> just change this to static
>
>> + u32 off, u32 slot, bool enable)
>
> and dont change anything else.
>
> If you feel to change this, propose a new patch for this line explaining
> why this should be changed

thanks, I will send v2.

>
>> {
>> u32 val;
>>
>> --
>> 2.7.4
>

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