Commit f26f6cea authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Bartlomiej Zolnierkiewicz
Browse files

tx493[89]ide: Fix length for __ide_flush_dcache_range 



This fixes data corruption on PIO mode.

Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: stable <stable@kernel.org>
Cc: sshtylyov@ru.mvista.com
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent a0fce792

drivers/ide/tx4938ide.c

+2 −2
Original line number Diff line number Diff line
@@ -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 = {

drivers/ide/tx4939ide.c

+2 −2
Original line number Diff line number Diff line
@@ -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 = {