Commit b4bd2aba authored by Roel Kluin's avatar Roel Kluin Committed by Linus Torvalds

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: default avatarRoel Kluin <roel.kluin@gmail.com>
Acked-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Cc: Bryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 349888ee
......@@ -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);
......
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