SPI trouble on Colibri 270 (PXA)...

Eric Miao eric.y.miao at gmail.com
Wed Apr 21 07:42:00 EDT 2010


On Wed, Apr 21, 2010 at 7:11 PM, Martin Guy <martinwguy at gmail.com> wrote:
> On 4/21/10, Eric Miao <eric.y.miao at gmail.com> wrote:
>
>>  I thought we were talking about SPI?
>
> We are. It affects boards that have a single SD/MMC card on the SPI
> bus and use SFRMOUT as the chip select line, which impacts how the SPI
> driver needs to handle multi-part messages without dropping CS between
> transfers
>

If CS isn't expected to be dropped between transfers within a single message,
I guess that's possible with ".cs_change", otherwise might be not feasible with
the current code.

>    M
>



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