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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2005-08-26 16:03:19 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-26 17:36:26 -0400 |
| commit | b73fc89f6d1f84326e5e897ad249d00a9f218fd7 (patch) | |
| tree | 557d5ba51a4f6c58be0717c0da13c2e409fd6008 /drivers/scsi/libata-core.c | |
| parent | 31433ea369d250ad011577eee6110d3efcb9d861 (diff) | |
| download | lwn-b73fc89f6d1f84326e5e897ad249d00a9f218fd7.tar.gz lwn-b73fc89f6d1f84326e5e897ad249d00a9f218fd7.zip | |
[PATCH] libata: regularize dma_start/stop arguments
Needed for a few PATA drivers.
Also fix up a wrong comment.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi/libata-core.c')
| -rw-r--r-- | drivers/scsi/libata-core.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 19b45c2bfa26..f15a07f9f471 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -3017,7 +3017,7 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc) host_stat = ap->ops->bmdma_status(ap); /* before we do anything else, clear DMA-Start bit */ - ap->ops->bmdma_stop(ap); + ap->ops->bmdma_stop(qc); /* fall through */ @@ -3399,7 +3399,7 @@ static void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc) } /** - * ata_bmdma_start - Start a PCI IDE BMDMA transaction + * ata_bmdma_start_mmio - Start a PCI IDE BMDMA transaction * @qc: Info associated with this ATA transaction. * * LOCKING: @@ -3570,7 +3570,7 @@ u8 ata_bmdma_status(struct ata_port *ap) /** * ata_bmdma_stop - Stop PCI IDE BMDMA transfer - * @ap: Port associated with this ATA transaction. + * @qc: Command we are ending DMA for * * Clears the ATA_DMA_START flag in the dma control register * @@ -3580,8 +3580,9 @@ u8 ata_bmdma_status(struct ata_port *ap) * spin_lock_irqsave(host_set lock) */ -void ata_bmdma_stop(struct ata_port *ap) +void ata_bmdma_stop(struct ata_queued_cmd *qc) { + struct ata_port *ap = qc->ap; if (ap->flags & ATA_FLAG_MMIO) { void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; @@ -3633,7 +3634,7 @@ inline unsigned int ata_host_intr (struct ata_port *ap, goto idle_irq; /* before we do anything else, clear DMA-Start bit */ - ap->ops->bmdma_stop(ap); + ap->ops->bmdma_stop(qc); /* fall through */ |