From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Poselenov Subject: AU1550 I2C driver - why not wait for bus free? Date: Wed, 02 Apr 2008 13:40:46 +0400 Message-ID: <47F3549E.2090500@emcraft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org Errors-To: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org To: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org List-Id: linux-i2c@vger.kernel.org Hello all, I have a question about AU1550 I2C driver. Why the driver starts transfer regardless of the state of I2C bus? Shouldn't it wait for the "bus busy" bit in smbstat to become zero before setting the "master start" bit? I see, in the 2.4 version of the driver the above logic was present, but avoided in 2.6. Thanks a lot any help. Regards, Sergei _______________________________________________ i2c mailing list i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org http://lists.lm-sensors.org/mailman/listinfo/i2c