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[PATCH] ahci: separate out ahci_dev_classify

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Separate out ahci_dev_classify().

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Tejun Heo 2005-12-19 22:37:17 +09:00 committed by Jeff Garzik
parent 7c76d1e839
commit 422b75956c
1 changed files with 16 additions and 8 deletions
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24
drivers/scsi/ahci.c
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@ -483,10 +483,24 @@ static void ahci_start_engine(struct ata_port *ap)
readl(port_mmio + PORT_CMD); /* flush */
}
static void ahci_phy_reset(struct ata_port *ap)
static unsigned int ahci_dev_classify(struct ata_port *ap)
{
void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
struct ata_taskfile tf;
u32 tmp;
tmp = readl(port_mmio + PORT_SIG);
tf.lbah = (tmp >> 24) & 0xff;
tf.lbam = (tmp >> 16) & 0xff;
tf.lbal = (tmp >> 8) & 0xff;
tf.nsect = (tmp) & 0xff;
return ata_dev_classify(&tf);
}
static void ahci_phy_reset(struct ata_port *ap)
{
void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
struct ata_device *dev = &ap->device[0];
u32 new_tmp, tmp;
@ -495,13 +509,7 @@ static void ahci_phy_reset(struct ata_port *ap)
if (ap->flags & ATA_FLAG_PORT_DISABLED)
return;
tmp = readl(port_mmio + PORT_SIG);
tf.lbah = (tmp >> 24) & 0xff;
tf.lbam = (tmp >> 16) & 0xff;
tf.lbal = (tmp >> 8) & 0xff;
tf.nsect = (tmp) & 0xff;
dev->class = ata_dev_classify(&tf);
dev->class = ahci_dev_classify(ap);
if (!ata_dev_present(dev)) {
ata_port_disable(ap);
return;