Messages in this thread | | | Date | Wed, 4 Feb 2015 10:13:17 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2 1/2] mtd: nand: pxa3xx: Fix PIO FIFO draining |
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Hi Brian,
On Mon, Jan 26, 2015 at 03:56:03PM +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 > bits 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>
Any chance for this fix to come in 3.19?
Thanks, Maxime
-- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com [unhandled content-type:application/pgp-signature] | |