confusion regarding the CMD19 and CMD21 in eMMC/SD card spec

[Girish K S]

our host controller supports both
SD/MMC. single controller to read both cards.

On 16 September 2011 11:27, Aaron Lu <aaron.lu at amd.com> wrote:
> On Fri, Sep 16, 2011 at 11:00:12AM +0530, Girish K S wrote:
>> Hello Aaron Lu,
> Hi,
>
>>                     please check the mmc 4.5 specification CMD21 is
>> tuning command.
>
> So you are using a mmc card with a sd host?
>
> -Aaron
>
>