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>
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 4224cfc..342aaaa 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -461,24 +461,25 @@
{
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);