linux-kernel - Re: qemu:beagle no longer booting with omap2plus

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Date:	Sun, 24 Apr 2016 11:11:49 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Roger Quadros <rogerq@...com>,
	Brian Norris <computersforpeace@...il.com>,
	Tony Lindgren <tony@...mide.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: qemu:beagle no longer booting with omap2plus_defconfig in -next

On 04/24/2016 10:34 AM, Boris Brezillon wrote:
> On Sun, 24 Apr 2016 09:42:40 -0700
> Guenter Roeck <linux@...ck-us.net> wrote:
>
>> In qemu, it looks like gpmc bit 0 is considered to be the NAND chip select,
>> which is distinctly different to a chip ready pin. Guess I would have to try
>> finding a chip datasheet to figure out what this pin is supposed to do, and
>> what is wrong. Since it is somewhat unlikely that I'll find the time to do that,
>> I just disabled MTD_NAND_OMAP2 in my qemu tests instead. Not an ideal solution,
>> of course, but the alternative would be to drop the beagle qemu tests entirely.
>
> Here is a patch [1] which should fix your problem. It's obviously not
> enough to handle the different use cases we have in in the wild, but
> should fix your problem on the beagle board.
>
> Regards,
>
> Boris
>
> [1]http://code.bulix.org/i5c4yc-97598
>
Yep, I figured out that one a minute ago :-)

Thanks again!

Guenter