Re: [PATCH] mmc: sdhci-esdhc-imx: Write only 4 bit in case of TIMEOUT_CONTROL

[Dirk Behme <dirk.behme@de.bosch.com>]

On 26.11.2013 22:22, Chris Ball wrote:
> Hi Dirk,
>
> On Fri, Nov 01 2013, Dirk Behme wrote:
>> On 16.07.2013 09:38, Shawn Guo wrote:
>>> Hi Dirk,
>>>
>>> On Tue, Jul 16, 2013 at 08:36:11AM +0200, Dirk Behme wrote:
>>>> In case of SDHCI_TIMEOUT_CONTROL write only 4 bits and not the
>>>> whole byte to avoid touching other unrelated bits in the i.MX6
>>>> SYS_CTRL register. E.g. IPP_RST_N shouldn't be touched accidently.
>>>>
>>>> Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
>>>
>>> Acked-by: Shawn Guo <shawn.guo@linaro.org>
>>
>> What's the status of this? I can't find it e.g. in linux-next?
>>
>> Does anybody like to help to apply this?
>
> Looks like you didn't answer Shawn's question yet, could you please?
>
>>> I'm wondering if it fixes any issue in real life?

I wasn't aware that this questions blocks applying that patch. I think 
I've answered Shawn's question in a private mail: Using RST_N doesn't 
work if the controller's IPP_RST_N bit is touched accidentally, i.e. if 
a reset is asserted if it shouldn't.

Many thanks and best regards

Dirk