summaryrefslogtreecommitdiff
path: root/drivers/ata/ahci.c
diff options
context:
space:
mode:
authorAnton Vorontsov <avorontsov@ru.mvista.com>2010-03-03 20:17:42 +0300
committerJeff Garzik <jgarzik@redhat.com>2010-05-14 17:08:01 -0400
commit781d655083f8fb0a343bb694e83b96f04e934b4f (patch)
treebaf8156cbb5558c8863850e889373314f8651da3 /drivers/ata/ahci.c
parent97cfbfe60018ffa9198cf78848a9abc4b8d316cc (diff)
ahci: Factor out PCI specifics from ahci_init_controller()
Move PCI stuff into ahci_pci_init_controller(). Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c45
1 files changed, 27 insertions, 18 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index d75b7c9ea323..ac875c506740 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1684,11 +1684,34 @@ static void ahci_port_init(struct device *dev, struct ata_port *ap,
static void ahci_init_controller(struct ata_host *host)
{
struct ahci_host_priv *hpriv = host->private_data;
- struct pci_dev *pdev = to_pci_dev(host->dev);
void __iomem *mmio = hpriv->mmio;
int i;
void __iomem *port_mmio;
u32 tmp;
+
+ for (i = 0; i < host->n_ports; i++) {
+ struct ata_port *ap = host->ports[i];
+
+ port_mmio = ahci_port_base(ap);
+ if (ata_port_is_dummy(ap))
+ continue;
+
+ ahci_port_init(host->dev, ap, i, mmio, port_mmio);
+ }
+
+ tmp = readl(mmio + HOST_CTL);
+ VPRINTK("HOST_CTL 0x%x\n", tmp);
+ writel(tmp | HOST_IRQ_EN, mmio + HOST_CTL);
+ tmp = readl(mmio + HOST_CTL);
+ VPRINTK("HOST_CTL 0x%x\n", tmp);
+}
+
+static void ahci_pci_init_controller(struct ata_host *host)
+{
+ struct ahci_host_priv *hpriv = host->private_data;
+ struct pci_dev *pdev = to_pci_dev(host->dev);
+ void __iomem *port_mmio;
+ u32 tmp;
int mv;
if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
@@ -1707,21 +1730,7 @@ static void ahci_init_controller(struct ata_host *host)
writel(tmp, port_mmio + PORT_IRQ_STAT);
}
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
-
- port_mmio = ahci_port_base(ap);
- if (ata_port_is_dummy(ap))
- continue;
-
- ahci_port_init(host->dev, ap, i, mmio, port_mmio);
- }
-
- tmp = readl(mmio + HOST_CTL);
- VPRINTK("HOST_CTL 0x%x\n", tmp);
- writel(tmp | HOST_IRQ_EN, mmio + HOST_CTL);
- tmp = readl(mmio + HOST_CTL);
- VPRINTK("HOST_CTL 0x%x\n", tmp);
+ ahci_init_controller(host);
}
static void ahci_dev_config(struct ata_device *dev)
@@ -2709,7 +2718,7 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
if (rc)
return rc;
- ahci_init_controller(host);
+ ahci_pci_init_controller(host);
}
ata_host_resume(host);
@@ -3449,7 +3458,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
return rc;
- ahci_init_controller(host);
+ ahci_pci_init_controller(host);
ahci_print_info(host);
pci_set_master(pdev);