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SubjectRe: [PATCH] wcn36xx: Close SMD channel on device removal
On Mon 08 May 23:17 PDT 2017, Kalle Valo wrote:

> Bjorn Andersson <> writes:
> > The SMD channel is not the primary WCNSS channel and must explicitly be
> > closed as the device is removed, or the channel will already by open on
> > a subsequent probe call in e.g. the case of reloading the kernel module.
> >
> > This issue was introduced because I simplified the underlying SMD
> > implementation while the SMD adaptions of the driver sat on the mailing
> > list, but missed to update these patches. The patch does however only
> > apply back to the transition to rpmsg, hence the limited Fixes.
> >
> > Fixes: 5052de8deff5 ("soc: qcom: smd: Transition client drivers from smd to rpmsg")
> > Reported-by: Eyal Ilsar <>
> > Signed-off-by: Bjorn Andersson <>
> As this is a regression I'll queue this to 4.12.


> But if this is an older bug (didn't quite understand your description
> though) should there be a separate patch for stable releases?

AFAICT this never worked, as it seems I did the rework in SMD while we
tried to figure out the dependency issues we had with moving to SMD. So
v4.9 through v4.11 has SMD support - with this bug.

How do I proceed, do you want me to write up a fix for stable@? Do I
send that out as an ordinary patch?


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