On 2017-09-08 17:45, Peter Rosin wrote: > From: Stephen Boyd <stephen.boyd@xxxxxxxxxx> > > Sometimes drivers only use muxes under certain scenarios. For > example, the chipidea usb controller may be connected to a usb > switch on some platforms, and connected directly to a usb port on > others. The driver won't know one way or the other though, so add > a mux_control_get_optional() API that allows the driver to > differentiate errors getting the mux from there not being a mux > for the driver to use at all. > --- > Documentation/driver-model/devres.txt | 1 + > drivers/mux/core.c | 104 +++++++++++++++++++++++++++------- > include/linux/mux/consumer.h | 4 ++ > 3 files changed, 89 insertions(+), 20 deletions(-) > > I haven't tested this patch, and hence I have not signed it and I also > removed the sign-off from Stephen... Huh, I definitely intended to mention that this patch is based on [1] from Stephen, but that I've made changes according to the comments in that thread (and more). And those changes are what made me remove the sign-off from Stephen... Sorry for the noise, Peter [1] https://lkml.org/lkml/2017/7/14/655
