[PATCH v1] mmc: fsl_esdhc_imx: fix watermark level in dma

[Jaehoon Chung]

Hi Fabio,

On 2/8/22 10:32, Fabio Estevam wrote:
> Hi Jaehoon,
> 
> On Wed, Feb 2, 2022 at 2:08 PM Fabio Estevam <festevam at gmail.com> wrote:
>>
>> On Mon, Jan 31, 2022 at 10:44 PM Fabio Estevam <festevam at gmail.com> wrote:
>>>
>>> Hi Marcel,
>>>
>>> On Mon, Jan 31, 2022 at 7:08 PM Marcel Ziswiler <marcel at ziswiler.com> wrote:
>>>>
>>>> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>>>>
>>>> Seems that we need the waterlevel setting not only for PIO mode as
>>>> without this at least the i.MX 8M Mini won't boot anymore when being
>>>> written by such a U-Boot. Corruption has also been observed both on
>>>> the i.MX 6 as well as i.MX 8M Mini when using ums on the eMMC. Fix
>>>> this by setting the watermark level again regardless of whether in
>>>> DMA or PIO mode.
>>>>
>>>> Fixes: 41c6a22fc296 ("mmc: fsl_esdhc_imx: simplify esdhc_setup_data()")
>>>> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>>>
>>> This is probably the failure I saw on imx7 when I tried testing 'ums'.
>>>
>>> Reviewed-by: Fabio Estevam <festevam at gmail.com>
>>
>> This indeed fixes the regression I was seeing with imx7s-warp:
>>
>> Tested-by: Fabio Estevam <festevam at gmail.com>
> 
> Could you please apply this fix?

Sorry for late. I had been vacation until yesterday. I'm looking for pending patches.
I will pick this soon. 

Best Regards,
Jaehoon Chung

> 
> Thanks
>