From: Ben Dooks <ben-linux@fluff.org>
To: Esben Haabendal <esbenhaabendal@gmail.com>
Cc: linuxppc-dev@ozlabs.org, linux-i2c@vger.kernel.org,
Esben Haabendal <eha@doredevelopment.dk>
Subject: Re: [PATCH v2] i2c-mpc: generate START condition after STOP caused by read i2c_msg
Date: Tue, 26 May 2009 22:33:51 +0100 [thread overview]
Message-ID: <20090526213351.GG23114@fluff.org.uk> (raw)
In-Reply-To: <d2b9ea600905260430i72290901p9266de4cade049c1@mail.gmail.com>
On Tue, May 26, 2009 at 01:30:21PM +0200, Esben Haabendal wrote:
> On Tue, May 19, 2009 at 7:22 AM, Esben Haabendal <eha@doredevelopment.dk> wrote:
> > This fixes MAL (arbitration lost) bug caused by illegal use of
> > RSTA (repeated START) after STOP condition generated after last byte
> > of reads. With this patch, it is possible to do an i2c_transfer() with
> > additional i2c_msg's following the I2C_M_RD messages.
> >
> > It still needs to be resolved if it is possible to fix this issue
> > by removing the STOP condition after reads in a robust way.
> >
> > Signed-off-by: Esben Haabendal <eha@doredevelopment.dk>
> > ---
> > ?drivers/i2c/busses/i2c-mpc.c | ? ?9 +++++++--
> > ?1 files changed, 7 insertions(+), 2 deletions(-)
>
> Any blockers to get this accepted?
It would be nice to get an ack from someone who can actually test
the driver before getting this merged.
> /Esben
> --
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--
Ben (ben@fluff.org, http://www.fluff.org/)
'a smiley only costs 4 bytes'
next prev parent reply other threads:[~2009-05-26 21:34 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-19 5:22 [PATCH v2] i2c-mpc: generate START condition after STOP caused by read i2c_msg Esben Haabendal
2009-05-26 11:30 ` Esben Haabendal
2009-05-26 21:33 ` Ben Dooks [this message]
2009-05-28 17:17 ` Wolfram Sang
2009-05-28 18:43 ` Joakim Tjernlund
2009-05-28 20:10 ` Esben Haabendal
2009-05-28 20:34 ` Peter Korsgaard
2009-05-28 20:41 ` Esben Haabendal
2009-05-28 21:08 ` Peter Korsgaard
2009-05-28 21:22 ` Esben Haabendal
2009-12-03 15:09 ` Michael Lawnick
2009-12-03 15:29 ` Ben Dooks
2009-12-03 15:49 ` Joakim Tjernlund
2009-12-04 6:58 ` Michael Lawnick
2009-12-03 15:42 ` Joakim Tjernlund
2009-05-28 19:31 ` Grant Likely
2009-05-28 20:15 ` Esben Haabendal
2009-06-02 22:25 ` Ben Dooks
2009-06-02 23:12 ` Grant Likely
2009-06-03 6:01 ` Grant Likely
2009-06-14 13:16 ` Ben Dooks
2009-06-14 14:04 ` Esben Haabendal
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