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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2007-03-23 18:57:23 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-03-28 02:05:13 -0400 |
| commit | 5e5188108bcf9ab2e6f87b4b54924354040b0aa7 (patch) | |
| tree | d0612ae233fde2091f107b3fcf9ad8940d33be79 /drivers/ata | |
| parent | 8c3c52a8f00536ce55dafa055b4a211f878f3901 (diff) | |
| download | op-kernel-dev-5e5188108bcf9ab2e6f87b4b54924354040b0aa7.zip op-kernel-dev-5e5188108bcf9ab2e6f87b4b54924354040b0aa7.tar.gz | |
pata_pdc202xx_old: LBA48 bug
In LBA48 mode we have to help the controller to get anything to work. The
chip provides a register giving word counts meant for ATAPI use which we
can use. However we need to load the count in words not bytes..
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_pdc202xx_old.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index acdc52c..0a14933 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -195,7 +195,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) /* Cases the state machine will not complete correctly without help */ if ((tf->flags & ATA_TFLAG_LBA48) || tf->protocol == ATA_PROT_ATAPI_DMA) { - len = qc->nbytes; + len = qc->nbytes / 2; if (tf->flags & ATA_TFLAG_WRITE) len |= 0x06000000; |
