[U-Boot] [PATCH 3/3] mmc: fsl: introduce wp_enable

[york sun]

On 06/14/2016 06:35 PM, Fabio Estevam wrote:
> Hi Peng,
>
> On Tue, Jun 14, 2016 at 10:17 PM, Peng Fan <van.freenix at gmail.com> wrote:
>
>> No. We can not avoid such issue for now. You changed register 20e066c'value  to 2
>> 2 means "CSI_DATA04_ALT8 — Selecting Pad: CSI_DATA04 for Mode: ALT8"
>>
>> Look at "Figure 31-3. Daisy chain illustration" of i.MX6UL RM, if changed to 2,
>> that means you let CSI_DATA04 pad goes into usdhc1_wp.
>
> Yes, this was just a quick hack. I am not proposing this workaround :-)
>
>> select input can not be closed or disabled, which will cause issues like what
>> you met. Even worse, some one may need to redesign their board to avoid pin
>> conflict.
>
> Yes, I understood the problem and don't have any alternative
> suggestion at the moment.
>
> Pantelis/Stefano/Tom/York,
>
> Any feedback on this series, please?
>

It looks good to me, but I didn't test it.

York