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usb: gadget: u_serial: use mutex for serialising open()s
authorMichał Mirosław <mirq-linux@rere.qmqm.pl>
Sat, 10 Aug 2019 08:42:53 +0000 (10:42 +0200)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Tue, 22 Oct 2019 07:27:20 +0000 (10:27 +0300)
commitc6561082b833afde1469346c7e65e0e6b04fc322
tree7097d375313b04dedfa0c84374d52f24434c73d1tree
parentef9b457d0dd2438b492d773c9e98c3d1bd9ec037commit | diff
usb: gadget: u_serial: use mutex for serialising open()s

Remove home-made waiting mechanism from gs_open() and rely on
portmaster's mutex to do the job.

Note: This releases thread waiting on close() when another thread
open()s simultaneously.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/gadget/function/u_serial.c diff | blob | blame | history
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