Re: [PATCH 0/2] mtd: nand: omap2: Fix SDMA support for NAND DMA prefetch

From: Boris Brezillon
Date: Fri Apr 22 2016 - 05:12:54 EST


On Fri, 15 Apr 2016 15:28:57 -0500
Franklin S Cooper Jr <fcooper@xxxxxx> wrote:

> NAND DMA prefetch for SDMA based devices has been broken for awhile. This
> patchset fixes it so SOCs that use the SDMA can make use of the NAND
> DMA prefetch.
>
> I've decided to split this patchset from the slightly larger patchset that
> included EDMA support. Adding EDMA support will be added in a later
> patchset.
>
> Tested using the latest master on:
> am37 gp evm
>
> Due to a silicon issue Dra7 SoCs are unable to use NAND DMA prefetch.

Applied, thanks.

Boris

>
> Cooper Jr., Franklin (2):
> mtd: nand: omap2: Start dma request before enabling prefetch
> mtd: nand: omap2: Fix high memory dma prefetch transfer
>
> drivers/mtd/nand/omap2.c | 22 +++++++---------------
> 1 file changed, 7 insertions(+), 15 deletions(-)
>



--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com