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authorPeter Hung <[email protected]>2015-03-17 17:48:21 +0800
committerJohan Hovold <[email protected]>2015-03-27 17:29:26 +0100
commit7139c932859f5b35b5a928b445e03f5a43610fa7 (patch)
tree3340210ec92e0a07eabf2121aeb15572033fb2b2 /tools/perf/scripts/python/Perf-Trace-Util
parent8885078949fbb78c6be39ed2c653e4e883568e2f (diff)
USB: f81232: change lock mechanism
The original driver lock with spin_lock_irqsave()/spin_unlock_irqrestore() because of it's maybe used in interrupt context f81232_process_read_urb(). We had remove it from previous patch "implement RX bulk-in EP", so we can change it from busying loop spin_lock to sleepable mutex_lock. Signed-off-by: Peter Hung <[email protected]> Signed-off-by: Johan Hovold <[email protected]>
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