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tx493[89]ide: Fix length for __ide_flush_dcache_range

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This fixes data corruption on PIO mode.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: stable <stable@kernel.org>
Cc: sshtylyov@ru.mvista.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Atsushi Nemoto 2008-12-29 20:27:29 +01:00 committed by Bartlomiej Zolnierkiewicz
parent a0fce792b5
commit f26f6ceaca
2 changed files with 4 additions and 4 deletions
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4
drivers/ide/tx4938ide.c
View file

@ -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 = {

4
drivers/ide/tx4939ide.c
View file

@ -564,7 +564,7 @@ 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,
@ -578,7 +578,7 @@ 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 = {