tx493[89]ide: Fix length for __ide_flush_dcache_range
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>
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@ -181,7 +181,7 @@ static void tx4938ide_input_data_swap(ide_drive_t *drive, struct request *rq,
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while (count--)
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*ptr++ = cpu_to_le16(__raw_readw((void __iomem *)port));
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__ide_flush_dcache_range((unsigned long)buf, count * 2);
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__ide_flush_dcache_range((unsigned long)buf, roundup(len, 2));
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}
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static void tx4938ide_output_data_swap(ide_drive_t *drive, struct request *rq,
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@ -195,7 +195,7 @@ static void tx4938ide_output_data_swap(ide_drive_t *drive, struct request *rq,
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__raw_writew(le16_to_cpu(*ptr), (void __iomem *)port);
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ptr++;
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}
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__ide_flush_dcache_range((unsigned long)buf, count * 2);
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__ide_flush_dcache_range((unsigned long)buf, roundup(len, 2));
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}
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static const struct ide_tp_ops tx4938ide_tp_ops = {
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@ -564,7 +564,7 @@ static void tx4939ide_input_data_swap(ide_drive_t *drive, struct request *rq,
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while (count--)
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*ptr++ = cpu_to_le16(__raw_readw((void __iomem *)port));
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__ide_flush_dcache_range((unsigned long)buf, count * 2);
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__ide_flush_dcache_range((unsigned long)buf, roundup(len, 2));
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}
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static void tx4939ide_output_data_swap(ide_drive_t *drive, struct request *rq,
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@ -578,7 +578,7 @@ static void tx4939ide_output_data_swap(ide_drive_t *drive, struct request *rq,
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__raw_writew(le16_to_cpu(*ptr), (void __iomem *)port);
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ptr++;
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}
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__ide_flush_dcache_range((unsigned long)buf, count * 2);
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__ide_flush_dcache_range((unsigned long)buf, roundup(len, 2));
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}
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static const struct ide_tp_ops tx4939ide_tp_ops = {
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