linux-kernel - Re: [Uclinux-dist-devel] [PATCH 1/2] mtd: m25p80: Reworkprobing/JEDEC code

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Date:	Tue, 22 Jun 2010 20:55:45 +0400
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Barry Song <21cnbao@...il.com>
Cc:	"Song, Barry" <Barry.Song@...log.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Artem Bityutskiy <dedekind1@...il.com>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	linux-mtd@...ts.infradead.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [Uclinux-dist-devel] [PATCH 1/2] mtd: m25p80:
 Reworkprobing/JEDEC code

On Tue, Jun 22, 2010 at 02:37:52PM +0800, Barry Song wrote:
[...]
> >                jid = jedec_probe(spi);
> >                if (!jid) {
> > -                       dev_info(&spi->dev, "non-JEDEC variant of %s\n",
> > -                                id->name);
> > +                       return -ENODEV;
> The patch looks good to me. Only problem is NULL is also returned by
> spi_write_then_read() fail:
[...]
> Here much better for -EIO (return tmp)?

Agreed. Though, this is not a regression, and I guess desires
its own patch. 

Here are two patches, one for 2.6.35 (minimal changes to fix
the JEDEC problem), another for 2.6.36.
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