[PATCH] mtd: nand: raw: atmel: add module param to avoid using dma

Peter Rosin peda at axentia.se
Wed Apr 11 08:10:43 PDT 2018

On 2018-04-11 16:59, Boris Brezillon wrote:
> On Wed, 11 Apr 2018 16:44:10 +0200
> Peter Rosin <peda at axentia.se> wrote:
>> Hi Nicolas,
>> Boris asked for your input on this (the datasheet difference appears to
>> have no bearing on the issue) elsewhere in the tree of messages. It's
>> now been a week or so and I'm starting to wonder if you missed this
>> altogether or if you are simply out of office or something?
> I was wondering if you had given up on this problem, it seems you did
> not.

I have my local patch to disable dma for the flash, but local patches
are always a disappointment.

>      Did you try forcing the HLCDC to use the 2nd interface (ahb_id=1)
> instead of the first one?

Just tried, and it's better that way, but the problem still exist and is
very visible on some (but apparently not all) flash accesses.


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