diff options
| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2009-12-05 00:37:43 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2010-03-01 14:58:42 -0500 |
| commit | 56f46f8c8741d02516d9150a46a5b05fe910ee11 (patch) | |
| tree | e65b30e4b240fee5d37018679eec81b62f4ddf2a /drivers/ata/pata_hpt37x.c | |
| parent | 4805a1b0e6d74feb6428c05116a2886a076ee341 (diff) | |
| download | linux-56f46f8c8741d02516d9150a46a5b05fe910ee11.tar.bz2 | |
pata_hpt37x: use ATA_DMA_* constants
Use ATA_DMA_* constants instead of the bare numbers for the BMIDE registers.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_hpt37x.c')
| -rw-r--r-- | drivers/ata/pata_hpt37x.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index 4224cfccedef..342aaaaf3832 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -461,24 +461,25 @@ static void hpt370_bmdma_stop(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u8 dma_stat = ioread8(ap->ioaddr.bmdma_addr + 2); - u8 dma_cmd; void __iomem *bmdma = ap->ioaddr.bmdma_addr; + u8 dma_stat = ioread8(bmdma + ATA_DMA_STATUS); + u8 dma_cmd; - if (dma_stat & 0x01) { + if (dma_stat & ATA_DMA_ACTIVE) { udelay(20); - dma_stat = ioread8(bmdma + 2); + dma_stat = ioread8(bmdma + ATA_DMA_STATUS); } - if (dma_stat & 0x01) { + if (dma_stat & ATA_DMA_ACTIVE) { /* Clear the engine */ pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); udelay(10); /* Stop DMA */ - dma_cmd = ioread8(bmdma ); - iowrite8(dma_cmd & 0xFE, bmdma); + dma_cmd = ioread8(bmdma + ATA_DMA_CMD); + iowrite8(dma_cmd & ~ATA_DMA_START, bmdma + ATA_DMA_CMD); /* Clear Error */ - dma_stat = ioread8(bmdma + 2); - iowrite8(dma_stat | 0x06 , bmdma + 2); + dma_stat = ioread8(bmdma + ATA_DMA_STATUS); + iowrite8(dma_stat | ATA_DMA_INTR | ATA_DMA_ERR, + bmdma + ATA_DMA_STATUS); /* Clear the engine */ pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); udelay(10); |