From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: Re: [PATCH v2] i2c-mpc: generate START condition after STOP caused by read i2c_msg Date: Tue, 2 Jun 2009 23:25:11 +0100 Message-ID: <20090602222511.GC18453@fluff.org.uk> References: <4A124202.4010201@doredevelopment.dk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@ozlabs.org Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@ozlabs.org To: Esben Haabendal Cc: Kumar Gala , linux-i2c@vger.kernel.org, linuxppc-dev@ozlabs.org List-Id: linux-i2c@vger.kernel.org On Thu, May 28, 2009 at 10:15:22PM +0200, Esben Haabendal wrote: > On Thu, May 28, 2009 at 9:31 PM, Grant Likely wrote: > > On Tue, May 26, 2009 at 5:30 AM, Esben Haabendal wrote: > >> On Tue, May 19, 2009 at 7:22 AM, Esben Haabendal 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 > >>> --- > >>> ?drivers/i2c/busses/i2c-mpc.c | ? ?9 +++++++-- > >>> ?1 files changed, 7 insertions(+), 2 deletions(-) > >> > >> Any blockers to get this accepted? > > > > It helps if you cc: developers/maintainers of the device. ?ie. Kumar > > for mpc8xxx, me for 52xx. > > > > This is the first time I noticed your posting. ?It will take me a few > > days before I get a chance to review it. > > Kumar, will you take a look at this patch? is anyone else likely to review it, or should I merge? -- Ben (ben@fluff.org, http://www.fluff.org/) 'a smiley only costs 4 bytes'