diff options
Diffstat (limited to 'drivers/scsi/ahci.c')
| -rw-r--r-- | drivers/scsi/ahci.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index f3dfdab173f..30676b0eb36 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -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; |