Commits
David Brownell committed 068f4070868
SPI: use mutex not semaphore Make spi_write_then_read() use a mutex not a binary semaphore. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>