Commit b4bd2aba authored Jun 17, 2009 by Roel Kluin Committed by Linus Torvalds Jun 18, 2009

spi_bfin5xx: limit reaches -1



bfin_spi_flush() returns limit, which reaches -1 upon timeout.  but in
function bfin_spi_pump_transfers() it is compared with 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 349888ee

drivers/spi/spi_bfin5xx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -169,7 +169,7 @@ static int bfin_spi_flush(struct driver_data *drv_data)
		unsigned long limit = loops_per_jiffy << 1;

		/* wait for stop and clear stat */
		while (!(read_STAT(drv_data) & BIT_STAT_SPIF) && limit--)
		while (!(read_STAT(drv_data) & BIT_STAT_SPIF) && --limit)
		cpu_relax();

		write_STAT(drv_data, BIT_STAT_CLR);