Re: [PATCH V15 06/22] mmc: block: Add blk-mq support

[Dmitry Osipenko]

On 27.02.2018 11:57, Linus Walleij wrote:
> On Mon, Feb 26, 2018 at 10:48 PM, Dmitry Osipenko <digetx@xxxxxxxxx> wrote:
>> On 22.02.2018 20:54, Dmitry Osipenko wrote:
>>> On 22.02.2018 10:42, Adrian Hunter wrote:
> 
>>>> SDIO (unless it is a combo card) should be unaffected by changes to the
>>>> block driver.
>>
>> I don't know whether it's a combo card or not. Where I can find info about that?
>> Is it mentioned in sysfs somewhere?
> 
> Combo cards were used with very old (2000s) PDAs which had only
> one SD card slot which they wanted to use for WiFi and storage
> at the same time.
> 
> They are very uncommon and I haven't been able to locate any
> even for testing.
> 
> It is very unlikely that you have one.
> 
> However you would notice it from seeing a partition attachment
> message (like with an ordinary SD card) when you plug in your
> card.

Thank you very much for the explanation. It's not a combo card.