Re: [PATCH v4 1/2] mtd: nand: pxa3xx: Fix PIO FIFO draining

Gregory CLEMENT
2015-03-02T16:52:46Z

On 28/02/2015 10:01, Brian Norris wrote:
> On Wed, Feb 18, 2015 at 11:32:07AM +0100, Maxime Ripard wrote:
>> The NDDB register holds the data that are needed by the read and write
>> commands.
>>
>> However, during a read PIO access, the datasheet specifies that after each 32
>> bytes read in that register, when BCH is enabled, we have to make sure that the
>> RDDREQ bit is set in the NDSR register.
>>
>> This fixes an issue that was seen on the Armada 385, and presumably other mvebu
>> SoCs, when a read on a newly erased page would end up in the driver reporting a
>> timeout from the NAND.
>>
>> Cc: <stable@vger.kernel.org> # v3.14
>> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>
> Pushed this one to linux-mtd.git. I'll try to get it out in the 4.0
> cycle. I assume patch 2 (the DT addition) will go through arm-soc.

Yes, now that you took the driver part, I will apply it on mvebu and then push it
to arm-soc.

Thanks,

Gregory

>
> Brian
>

--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.