iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

spi_bfin5xx: limit reaches -1

Browse Source 
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>
This commit is contained in:
Roel Kluin 2009-06-17 16:26:02 -07:00 committed by Linus Torvalds
parent 349888ee7b
commit b4bd2ababd
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/spi/spi_bfin5xx.c
View File

@ -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);