Re: [PATCH v2] mmc: core: Introduce MMC_CAP2_NO_SDIO cap

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On Wed, Nov 25, 2015 at 5:34 PM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> On 25 November 2015 at 15:39, Carlo Caione <carlo@xxxxxxxxxx> wrote:
>> From: Carlo Caione <carlo@xxxxxxxxxxxx>
>>
>> This patch introduce a new MMC_CAP2_NO_SDIO cap used to tell the mmc
>> core to not send SDIO specific commands.
>
> I guess there are two reasons to why such capability is useful.
> 1) The host controller/driver doesn't support SDIO.
> 2) There is an embedded/non-removable eMMC/SD card.
>
> Within that context, we might also want to add MMC_CAP2_NO_MMC|SD, or
> what do you think?

Is there really any driver / controller not supporting MMC|SD commands?

> Because of 2), we might also want to add a new mmc DT binding or
> perhaps try interpret a combination of them to enable
> MMC_CAP2_NO_SDIO!?

Probably I'm missing something but what would be the difference with
the 'non-removable' parameter we already have?

>>
>> Signed-off-by: Carlo Caione <carlo@xxxxxxxxxxxx>
>
> Thanks, applied for next!

Thanks,

-- 
Carlo Caione  |  +39.340.80.30.096  |  Endless
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