From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH v3 2/2] i2c/of: Automatically populate i2c mux busses from device tree data. Date: Mon, 23 Apr 2012 11:11:58 -0600 Message-ID: <4F958D5E.9090003@wwwdotorg.org> References: <1334265263-13549-1-git-send-email-ddaney.cavm@gmail.com> <1334265263-13549-3-git-send-email-ddaney.cavm@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1334265263-13549-3-git-send-email-ddaney.cavm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Daney Cc: Grant Likely , devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, "Jean Delvare (PC drivers core)" , "Ben Dooks (embedded platforms)" , "Wolfram Sang (embedded platforms)" , Peter Korsgaard , Guenter Roeck , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Lars-Peter Clausen , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, David Daney List-Id: linux-i2c@vger.kernel.org On 04/12/2012 03:14 PM, David Daney wrote: > From: David Daney > > For 'normal' i2c bus drivers, we can call of_i2c_register_devices() > and have the device tree framework automatically populate the bus with > the devices specified in the device tree. > > This patch adds a common code to the i2c mux framework to have the mux > sub-busses be populated by the of_i2c_register_devices() too. If the > mux device has an of_node, we populate the sub-bus' of_node so that > the subsequent call to of_i2c_register_devices() will find the > corresponding devices. > > It seemed better to put this logic in i2c_add_mux_adapter() rather > than the individual mux drivers, as they will all probably want to do > the same thing. > > Signed-off-by: David Daney > Cc: Lars-Peter Clausen Acked-by: Stephen Warren