Re: [PATCH v5 00/16] OMAP2+ OneNAND driver update

From: Aaro Koskinen <aaro.koskinen@iki.fi>
To: Ladislav Michl <ladis@linux-mips.org>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>,
	Tony Lindgren <tony@atomide.com>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org,
	Roger Quadros <rogerq@ti.com>
Subject: Re: [PATCH v5 00/16] OMAP2+ OneNAND driver update
Date: Wed, 10 Jan 2018 23:27:48 +0200	[thread overview]
Message-ID: <20180110212748.lbwwnktftqv3awzi@darkstar.musicnaut.iki.fi> (raw)
In-Reply-To: <20180110173519.xyug4egltni4f3qi@darkstar.musicnaut.iki.fi>

Hi,

On Wed, Jan 10, 2018 at 07:35:19PM +0200, Aaro Koskinen wrote:
> On Wed, Jan 10, 2018 at 10:20:58AM +0100, Ladislav Michl wrote:
> > On Tue, Jan 09, 2018 at 11:01:14PM +0200, Aaro Koskinen wrote:
> > > On Tue, Jan 09, 2018 at 02:08:12PM +0100, Ladislav Michl wrote:
> > > > Merge window is really close now and patches seems still to be untested on
> > > > n8x0. So unless someone is going to test it soon, I'll pick used N800 on
> > > > ebay :-/
> > > 
> > > Today I tried to test them on Nokia N810, and I get:
> > > 
> > > [    0.174804] omap-gpmc 6800a000.gpmc: GPMC revision 2.0
> > > [    0.174865] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
> > > [    0.177459] omap-gpmc 6800a000.gpmc: /ocp/gpmc@6800a000/onenand@0,0 has no 'bank-width' property
> > > [    0.177612] omap-gpmc 6800a000.gpmc: failed to probe DT child 'onenand': -22
> > > 
> > > With plain v4.15-rc7+ it probes fine.
> > 
> > Thank you for testing. As stated in cover letter, you need also
> > https://patchwork.kernel.org/patch/10043259/
> > which can be also found in Roger's branch
> > https://github.com/rogerq/linux/commits/for-v4.16/gpmc-omap-immutable
> > (see previous replies in this thread and also discussion about OneNAND
> > DT node)
> 
> I applied it, and now get:
> 
> [    0.174987] omap-gpmc 6800a000.gpmc: GPMC revision 2.0
> [    0.175048] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
> [    0.177703] omap-gpmc 6800a000.gpmc: Incompatible OneNAND node: missing compatible
> [    0.177764] omap-gpmc 6800a000.gpmc: failed to probe DT child 'onenand': -22

Crap, I think something is wrong in my kexec. It seems to pass the DTB from an
old kernel, although the new kernel has a new appended DTB... Need to
investigate, sorry for noise.

A.

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