From b4bd2ababd20b6ecdd49cf96e39c875fbedd53af Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Wed, 17 Jun 2009 16:26:02 -0700 Subject: [PATCH] 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 Acked-by: David Brownell Cc: Bryan Wu Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/spi_bfin5xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 011c5bddba6a..2e5fd0977334 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -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); -- 2.20.1