Commits
Arjan van de Ven committed f392ecfa12d
[SERIAL] turn serial semaphores into mutexes Turn several drivers/serial/ semaphores-used-as-mutex into mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>