On Wednesday, April 25, 2018 1:10:02 AM CEST Prashanth Prakash wrote:
> Replace the faulty PCC status register polling code with a iopoll.h
> macro to fix incorrect reporting of PCC check errors("PCC check
> channel failed").
>
> There were potential codepaths where we could incorrectly return
> PCC channel status as busy even without checking the PCC status
> register once or not checking the status register before breaking
> out of the polling loop. For example, if the thread polling PCC
> status register was preempted and scheduled back after we have
> crossed the deadline then we can report that the channel is busy
> even without checking the status register.
>
> Signed-off-by: Prashanth Prakash <pprakash@xxxxxxxxxxxxxx>
> Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Applied, thanks!
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