From f26f6ceacaaf017a677138cbca7ab076b565ca87 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 29 Dec 2008 20:27:29 +0100 Subject: tx493[89]ide: Fix length for __ide_flush_dcache_range This fixes data corruption on PIO mode. Signed-off-by: Atsushi Nemoto Cc: stable Cc: sshtylyov@ru.mvista.com Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/tx4938ide.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/ide/tx4938ide.c') diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c index 9120063..13b63e7 100644 --- a/drivers/ide/tx4938ide.c +++ b/drivers/ide/tx4938ide.c @@ -181,7 +181,7 @@ static void tx4938ide_input_data_swap(ide_drive_t *drive, struct request *rq, while (count--) *ptr++ = cpu_to_le16(__raw_readw((void __iomem *)port)); - __ide_flush_dcache_range((unsigned long)buf, count * 2); + __ide_flush_dcache_range((unsigned long)buf, roundup(len, 2)); } static void tx4938ide_output_data_swap(ide_drive_t *drive, struct request *rq, @@ -195,7 +195,7 @@ static void tx4938ide_output_data_swap(ide_drive_t *drive, struct request *rq, __raw_writew(le16_to_cpu(*ptr), (void __iomem *)port); ptr++; } - __ide_flush_dcache_range((unsigned long)buf, count * 2); + __ide_flush_dcache_range((unsigned long)buf, roundup(len, 2)); } static const struct ide_tp_ops tx4938ide_tp_ops = { -- cgit v1.1