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(parent: 93b61bd) | patch
spi: limit reaches -1, tested 0
authorRoel Kluin <roel.kluin@gmail.com>
Tue, 7 Apr 2009 02:00:54 +0000 (19:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 7 Apr 2009 15:31:07 +0000 (08:31 -0700)
commitc8fc657e6a114fadf78fdf8103e289a169c91c5d
tree1520389a952ea5f9d624f06d054b7d68f5802b2ftree | snapshot
parent93b61bddc13d9acf1fe341b39d826e80f3182d1ecommit | diff
spi: limit reaches -1, tested 0

With a postfix decrement limit will reach -1 rather than 0, so the warning
will not be issued.

Also, add a cpu_relax() into the busy-wait loop.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Mariusz Ceier <mceier@gmail.com>
Acked-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>
drivers/spi/spi_imx.c diff | blob | history
Domain: System / Uncategorized;