[PATCH v2 3/5] ARM: mvebu: set SW polling as SDHCI card detection on A388-GP

[Thomas Petazzoni]

Dear Marcin Wojtas,

On Fri,  9 Oct 2015 03:03:53 +0200, Marcin Wojtas wrote:
> The newest revisions of A388-GP (v1.5 and higher) support only
> DAT3-based card detection. Revisions < v1.5 based on GPIO detection
> via I2C expander, but this solution is supposed to be deprecated on
> new boards. In order to satisfy all type of hardware this commit
> changes card detection to use software polling mechanism.
> 
> Signed-off-by: Marcin Wojtas <mw at semihalf.com>

Can we add a comment on the DT that explains why SW polling is used,
and which other mechanism can be used depending on the board revision?

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com