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From: Wolfgang Denk <wd@denx.de>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: Piotr Ziecik <kosmo@semihalf.com>,
	dzu@denx.de, linuxppc-dev@ozlabs.org,
	linux-mtd@lists.infradead.org, Anatolij Gustschin <agust@denx.de>
Subject: Re: [PATCH 3/8 v2] mtd: Add MPC5121 NAND Flash Controller driver
Date: Wed, 27 Jan 2010 21:24:27 +0100	[thread overview]
Message-ID: <20100127202427.D311CD334C9@gemini.denx.de> (raw)
In-Reply-To: <fa686aa41001270843u3b4e9687k699ad579de4460d4@mail.gmail.com>

Dear Grant Likely,

In message <fa686aa41001270843u3b4e9687k699ad579de4460d4@mail.gmail.com> you wrote:
>
> > +       if (rev != 2) {
> > +               dev_err(dev, "SoC revision %u is not supported!\n", rev);
> > +               return -ENXIO;
> > +       }
>
> *Only* revision 2?  Are future revisions of silicon assumed to be broken then?

I vote for keeping it this way - if you look at the diffferences
between revision 1 and 2, or at differences between MPC5121/3 and
MPC5125, it is more than likely that revision 3, should it ever come
out, will be incompatible and require driver changes.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
Landru! Guide us!
	-- A Beta 3-oid, "The Return of the Archons", stardate 3157.4

  reply	other threads:[~2010-01-27 20:24 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-27 12:07 [PATCH 0/8] Update support for MPC512x Anatolij Gustschin
2010-01-27 12:07 ` [PATCH 1/8 v2] powerpc/mpc5121: Add machine restart support Anatolij Gustschin
2010-01-27 15:46   ` Grant Likely
2010-01-27 12:07 ` [PATCH 2/8 v2] rtc: Add MPC5121 Real time clock driver Anatolij Gustschin
2010-01-27 15:58   ` Grant Likely
2010-01-27 12:07 ` [PATCH 3/8 v2] mtd: Add MPC5121 NAND Flash Controller driver Anatolij Gustschin
2010-01-27 16:43   ` Grant Likely
2010-01-27 20:24     ` Wolfgang Denk [this message]
2010-01-27 12:07 ` [PATCH 4/8 v2] dma: Add MPC512x DMA driver Anatolij Gustschin
2010-01-27 12:07 ` [PATCH 5/8 v2] powerpc/mpc5121: add USB host support Anatolij Gustschin
2010-01-27 12:36   ` Jan Andersson
2010-01-27 15:45     ` Anatolij Gustschin
2010-01-27 16:54   ` Grant Likely
2010-01-27 12:07 ` [PATCH 6/8 v2] powerpc/mpc5121: shared DIU framebuffer support Anatolij Gustschin
2010-01-27 12:07 ` [PATCH 7/8 v2] powerpc/mpc5121: update mpc5121ads DTS Anatolij Gustschin
2010-01-27 12:07 ` [PATCH 8/8 v2] powerpc/mpc5121: Add default config for MPC5121 Anatolij Gustschin
2010-01-27 14:23 ` [PATCH 0/8] Update support for MPC512x Anatolij Gustschin

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