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SubjectRe: [PATCH 1/2] mux: add mux_control_get_optional() API
On 2017-09-08 17:45, Peter Rosin wrote:
> From: Stephen Boyd <>
> 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,


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