From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: [PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable Date: Mon, 20 Apr 2009 11:01:10 +0200 Message-ID: <49EC39D6.8020404@grandegger.com> References: <20090407082052.477328750@denx.de> <53B42D49-C040-442E-8448-7BC3190220A5@kernel.crashing.org> <49DC515F.3040100@grandegger.com> <49DD0144.7050902@grandegger.com> <49DDC718.8000706@grandegger.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <49DDC718.8000706@grandegger.com> 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: Ben Dooks Cc: Linux/PPC Development , devicetree-discuss , linux-i2c@vger.kernel.org List-Id: linux-i2c@vger.kernel.org Hi Ben, Wolfgang Grandegger wrote: > Wolfgang Grandegger wrote: >> Kumar Gala wrote: >>> On Apr 8, 2009, at 2:25 AM, Wolfgang Grandegger wrote: >>> >>>>> So I'm a bit concerned with the output we now get: >>>>> >>>>> mpc-i2c fffe03000.i2c: clock 0 Hz (dfsrr=16 fdr=49) >>>>> >>>>> why 0? is that right? >>>> This is the backward compatibility mode using hard-coded FDR values. The >>>> output is missleading, I agree. >>>> >>>> Wolfgang. >>> Can the output be fixed. 0 Hz seemed bad to me. >> Of course. No info message will be printed for the legacy case >> like it was with the old driver version. I just realized a bug in the >> MPC52xx part. Will send patches tomorrow, after some more thorough testing. > > The patch below fixes both issues. Ben, could you please apply it. Sorry for > the inconvenience caused. > > Thanks, > > Wolfgang. > > > > [PATCH] i2c: i2c-mpc: bug fix for MPC52xx clock setting and printout > > The clock setting did not work for the MPC52xx due to a stupid bug. > Furthermore, the dev info output "clock=0" for old device trees was > misleading. This patch fixes both issues. > > Signed-off-by: Wolfgang Grandegger Could you please apply this bug-fix for the MPC driver for 2.6.30. http://marc.info/?l=linux-i2c&m=123927120910293&w=2 Thanks, Wolfgang.