From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Date: Thu, 13 Jan 2011 04:50:10 +0000 Subject: Re: [PATCH] radeonfb: Let hwmon driver probe the "monid" I2C bus Message-Id: <1294894210.9586.73.camel@pasglop> List-Id: References: <20110111162352.5a634e9e@endymion.delvare> In-Reply-To: <20110111162352.5a634e9e@endymion.delvare> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org On Thu, 2011-01-13 at 14:44 +1000, Dave Airlie wrote: > The radeon BIOS actually contains a table to tell us what chip is on > the bus, > in the KMS driver we read this table and load the appropriate hwmon > device, > > There could possibly be other things on this bus than hw monitor > devices. > > Though radeonfb should be considered mostly dead. I want to test that on a few powermacs first. "probing" i2c can be destructive and f* knows what Apple put on those busses on some machines. Haven't had a chance to look much yet. Cheers, Ben.