Re: [PATCH] i2c-designware: fix RX FIFO overrun

2013-05-08 Thread Josef Ahmad
Sorry for late reply. Bad UA configuration. Will resend straight away. Thanks, Josef On Thu, 25 Apr 2013, Wolfram Sang wrote: Still can't apply :( Whitespace problems in the patch context :( -- To unsubscribe from this list: send the line unsubscribe linux-i2c in the body of a message to

Re: [PATCH] i2c-designware: fix RX FIFO overrun

2013-05-08 Thread Josef Ahmad
From 8a4773d0c0df6fe2e816ad37fde30a2d90a1ad31 Mon Sep 17 00:00:00 2001 From: Josef Ahmad josef.ah...@linux.intel.com Date: Fri, 19 Apr 2013 17:28:10 +0100 Subject: [PATCH] i2c-designware: fix RX FIFO overrun i2c_dw_xfer_msg() pushes a number of bytes to transmit/receive to/from the bus into the

i2c multimaster and the device driver detect function

2013-05-08 Thread Jean-François Dagenais
Hi all, I've read the discussion on multimaster and I have to agree with Uwe about masters doing the arbitration (and retry). However, there's another issue which one quickly discovers when adding a second master on a physical i2c bus. Here's the scenario: Using driver jc42 which adds a detect

Re: [lm-sensors] i2c multimaster and the device driver detect function

2013-05-08 Thread Guenter Roeck
On Wed, May 08, 2013 at 11:57:59AM -0400, Jean-François Dagenais wrote: Hi all, I've read the discussion on multimaster and I have to agree with Uwe about masters doing the arbitration (and retry). However, there's another issue which one quickly discovers when adding a second master on a

Re: [lm-sensors] i2c multimaster and the device driver detect function

2013-05-08 Thread Jean-François Dagenais
On 2013-05-08, at 13:54, Guenter Roeck wrote: [...] Isn't it the point of having multiple masters on the same bus, that each of them can manage the same devices ? I wouldn't think so. You mention why in your last paragraph and I totally see and agree with that. So that is not my intention at

Re: [lm-sensors] i2c multimaster and the device driver detect function

2013-05-08 Thread Guenter Roeck
On Wed, May 08, 2013 at 09:50:44PM -0400, Jean-François Dagenais wrote: On 2013-05-08, at 13:54, Guenter Roeck wrote: [...] Isn't it the point of having multiple masters on the same bus, that each of them can manage the same devices ? I wouldn't think so. You mention why in your last