diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2008-12-29 20:27:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-18 10:43:45 -0800 |
| commit | cb3a9af9f9ceb5cf4b1b530c7101f6350fe000f9 (patch) | |
| tree | 576019949d3099eec91f9ee0f6e0f8df3a764160 /drivers | |
| parent | 35843973c7b58622abd97f11a8658ab4134698f9 (diff) | |
tx493[89]ide: Fix length for __ide_flush_dcache_range
commit f26f6ceacaaf017a677138cbca7ab076b565ca87 upstream.
This fixes data corruption on PIO mode.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: sshtylyov@ru.mvista.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/tx4938ide.c | 4 | ||||
| -rw-r--r-- | drivers/ide/tx4939ide.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c index 9120063e8f87..13b63e7fa353 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 = { diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c index bafb7d1a22e2..bb5a26bfc871 100644 --- a/drivers/ide/tx4939ide.c +++ b/drivers/ide/tx4939ide.c @@ -558,7 +558,7 @@ static void tx4939ide_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 tx4939ide_output_data_swap(ide_drive_t *drive, struct request *rq, @@ -572,7 +572,7 @@ static void tx4939ide_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 tx4939ide_tp_ops = { |