mmc/sd driver testing.

[Luiz Otavio O Souza]

On 16 April 2015 at 19:32, Luiz Otavio O Souza wrote:
> On 16 April 2015 at 18:41, Alexander Fedorov wrote:
>> Hello!
>>
>> If it helps, I've updated my patch to CURRENT r281599.
>>
>> These are the changes from the previous version:
>> - Style fixes, suggested by Ian.
>> - Speed improovment (reading from 2 MB/s to 5-6 MB/s, writing from 0.8
>> to 1.5 MB/s).
>> - Use bus_space_write_multi_4/bus_space_read_multi_4 for large blocks.
>> - Multiblock I/O support.
>
> I did a few changes to your driver and now I need some help with
> testing (I have tested only on Cubieboard2 so far).
>
> The changes include:
>
>  - better error handling on mmc_acquire_host();
>  - Removed the busy loops from interrupt handler;
>  - Use PLL6 as the clock source for MMC/SD (from netbsd);
>  - Simplified interrupt handling - always unmasked and enabled (from netbsd);
>  - Style(9) fixes.

Okay, I have committed a few changes to reduce the differences and now
you need only the following patches (with a fresh -head):

http://loos.com.br/allwinner/a10_mmc.diff
http://loos.com.br/allwinner/kernel-conf.diff
http://loos.com.br/allwinner/sunxi-dts.diff

Please, try it and report back :)

Luiz