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Bryan O'Donoghue 2e238d71ed greybus: loopback: Convert cross-thread mutex to spinlock while relaxing connect locks 
This patch converts the cross-thread mutex used to synchronize threads with
respect to each other to a spinlock. This is done to enable taking of locks
in the following patches while in atomic context. A small re-order of
locking in connection setup/tear-down is done to minimize the amount of
time spent in spinlock_irqsave().

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
History 2015-12-07 14:32:20 -05:00
drivers/staging/greybus greybus: loopback: Convert cross-thread mutex to spinlock while relaxing connect locks 2015-12-07 14:32:20 -05:00