From: iida <iida@ztec.com.br>
To: linuxppc <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: how to use the i2c in mpc5200
Date: Thu, 27 May 2004 16:32:36 -0300 [thread overview]
Message-ID: <40B64254.5040004@ztec.com.br> (raw)
In-Reply-To: <Pine.LNX.4.60.0405270900480.32475@xmission.xmission.com>
i2s is anoter i/o , but i read the source of i2c and
i think that the minor number is correct
Thanks for help
linuxppc-embedded@2nerds.com wrote:
> On Thu, 27 May 2004, iida wrote:
>
>> i created the i2c with
>> mknod /dev/i2c c 89 1
>
>
> This is just a hunch, but is that the proper minor device number? In my
> copy of the kernel sources, in the file arch/ppc/5xxx_io/i2s.c, I see
> this
> definition:
>
> #define I2S_MINOR 242
>
> ...which makes me wonder if "mknod /dev/i2c c 89 242" would work any
> better. Does your source tree include that same definition? Is that
> "minor number" the one you need to use with mknod?
>
> I'm a novice at this Linux-on-embedded-PPC stuff, so please forgive me if
> this is useless advice--and please let me know how you resolved the
> problem when you find the "right" answer. :-)
>
> Chris
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-05-27 19:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-27 13:47 how to use the i2c in mpc5200 iida
[not found] ` <Pine.LNX.4.60.0405270900480.32475@xmission.xmission.com>
2004-05-27 19:32 ` iida [this message]
2004-05-27 23:56 ` Wolfgang Denk
2004-05-28 11:48 ` iida
[not found] <20040528203540.5383EC109F@atlas.denx.de>
2004-05-31 17:19 ` iida
-- strict thread matches above, loose matches on Subject: below --
2004-05-31 18:49 Wolfgang Denk
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