Re: [RFC PATCH 0/4] mtd: atmel_nand: Add support for NAND Flash on SAMA5D2

Le 13/01/2016 13:56, Romain Izard a écrit :

2016-01-13 12:46 GMT+01:00 Nicolas Ferre [off-list ref]:

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Ok. It might be a good idea to update the MAINTAINERS file, as Josh Wu's
atmel address now bounces, and it is still referenced there.

It's already done and pushed to arm-soc. It's in linux-next:
http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/tree/MAINTAINERS#n2000

It will appear in Linus' tree in a couple of days ;-)

Good. As I based my developments on the linux-4.1-at91 branch from the Linux4SAM
github which does not contain the update, I missed it.

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I also think that Wenyou did some work regarding this support. So you'll
have to coordinat together.

Is it possible to know what are the developments in progress regarding
SAMA5D2 drivers? The github repository does not expose any working trees,
and only the

Which github repository are you talking about?

The Linux4SAM github contains all that is need to work with sama5d2
(linux-4.1-at91 branch):
https://github.com/linux4sam/linux-at91/tree/linux-4.1-at91

That's the one. My point is that there is no hint in there that Wenyou worked
on supporting the NAND controller for SAMA5D2. So I wondered if there were
other repositories I missed with more recent information.

Yes, that's very recent actually and we were testing internally just
before releasing it.
The reason is also that we didn't have a NAND flash on our reference
platform which is the SAMA5D2 Xplained. So we had to wait for a new
hardware from our colleagues of the HW team and bring it up before
working on this NAND flash support (24 bits ECC and sama5d2 new
modifications in fact).

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Developments in progress are listed in the Linux4SAM page:
http://www.at91.com/linux4sam/bin/view/Linux4SAM/Sama5d2XplainedMainPage

I admit that it's not copleted, but you'll have an idea here as well:
http://www.at91.com/linux4sam/bin/view/Linux4SAM/Sama5d2XplainedMainPage

Yes, I was meaning:
http://www.at91.com/linux4sam/bin/view/Linux4SAM/LinuxKernel#Tags

Both URLs are the same, are you sure it's the correct link? It's a very
informative page and I often use it when I need information on the SAMA5D2.
But I have a hard time finding something about work in progress in it.

Yes, we lack this kind of important information. It's scattered on some
messages on the arm-linux-kernel mailing-list as we tend to publish
pretty early in our work process (Cf. the new ADC driver by Ludovic). I
don't promise but we will try to enhance this aspect in the near
future... ;-)

Thanks for your work and your feedback.

Bye,
-- 
Nicolas Ferre
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