From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Date: Thu, 13 Jan 2011 08:56:57 +0000 Subject: Re: [PATCH] radeonfb: Let hwmon driver probe the "monid" I2C bus Message-Id: <20110113095657.20b3f181@endymion.delvare> 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 Hi Ben, On Thu, 13 Jan 2011 15:50:10 +1100, Benjamin Herrenschmidt wrote: > 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. If this is a concern to you, I'd be fine excluding CONFIG_PPC from the change. Or are you worried about Intel Mac machines too? If there's an easy way to spot all powermac machines, we can use that too, just let me know how. > Haven't had a chance to look much yet. Thanks, -- Jean Delvare