On Tue, Mar 1, 2016 at 10:30 PM, Wolfram Sang <[email protected]> wrote: > On Thu, Feb 18, 2016 at 05:53:13PM +0200, Daniel Baluta wrote: >> From: Adriana Reus <[email protected]> >> >> Add a check in i2c_mux_master_xfer before calling the select callback. >> This is necessary so that NULL callbacks can be safely registered. >> >> Signed-off-by: Adriana Reus <[email protected]> >> Signed-off-by: Daniel Baluta <[email protected]> > > Hmm, rather than supporting that in the core, I'd prefer to have the > driver pass an empty function instead. Then, in the driver, we can have > a comment explaining the special situation.
Agree. This seems a better idea forcing the user to explain the situation :).

