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>

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);