[PATCH] dma: amlogic: Fix little-endian variable operations issue

[Xianwei Zhao]

Hi Frank,
    Thanks for your review.

On 2026/10/13 00:22, Frank Li wrote:
> [????????? frank.li at oss.nxp.com ????????? https://aka.ms/LearnAboutSenderIdentification?????????????]
> 
> [ EXTERNAL EMAIL ]
> 
> On Mon, Oct 12, 2026 at 08:00:20AM +0000, Xianwei Zhao via B4 Relay wrote:
>> From: Xianwei Zhao <xianwei.zhao at amlogic.com>
>>
> 
> Subject:
>          s/dma/dmaengine
> 
> 

Will do, I forgot it.

>> In dma_async_tx_descriptor function,fix the situation where the operation
>> processing of the little-endian variable requires corresponding conversion.
>>
>> Reported-by: kernel test robot <lkp at intel.com>
>> Closes: https://lore.kernel.org/oe-kbuild-all/202610060235.PuCxWQdk-lkp@intel.com/
>> Fixes: b84b5197e344 ("dmaengine: amlogic: Add general DMA driver for A9")
>> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
>> ---
>> Fix the operation little-endian variable issue.
>> ---
>>   drivers/dma/amlogic-dma.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/dma/amlogic-dma.c b/drivers/dma/amlogic-dma.c
>> index 78ee2337ae71..bbf5ae5ac705 100644
>> --- a/drivers/dma/amlogic-dma.c
>> +++ b/drivers/dma/amlogic-dma.c
>> @@ -321,7 +321,7 @@ static struct dma_async_tx_descriptor *aml_dma_prep_slave_sg
>>
>>        /* the last sg set eoc flag */
>>        sg_link--;
>> -     sg_link->ctl |= LINK_EOC;
>> +     sg_link->ctl = cpu_to_le32(le32_to_cpu(sg_link->ctl) | LINK_EOC);
> 
> Does it works
> 
>          sg_link->ctl |= cpu_to_le32(LINK_EOC);
> 

Here it is equivalent. Will do.

> Frank
>>
>>        return vchan_tx_prep(&aml_chan->vchan, &aml_desc->vd, flags);
>>   }
>>
>> ---
>> base-commit: 42c31fec1ca76b8b5f7759def122d418dff2cd4b
>> change-id: 20261012-fix-a9-dma-4be7e61ba653
>>
>> Best regards,
>> --
>> Xianwei Zhao <xianwei.zhao at amlogic.com>
>>
>>