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authorTejun Heo <htejun@gmail.com>2005-12-19 22:37:17 +0900
committerJeff Garzik <jgarzik@pobox.com>2006-01-17 19:49:10 -0500
commit422b75956cd11f9d9214e6e2a99d6e52d98812d4 (patch)
treef7aabb4188b651596431ce344b1529dfa0c0b0b4 /drivers/scsi/ahci.c
parent7c76d1e83961a4e355c3ebd53191bc6072c238bd (diff)
[PATCH] ahci: separate out ahci_dev_classify
Separate out ahci_dev_classify(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi/ahci.c')
-rw-r--r--drivers/scsi/ahci.c24
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;