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 | |
| 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')
| -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); |