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ahci: Factor out PCI specifics from ahci_init_controller()

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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>
This commit is contained in:
Anton Vorontsov 2010-03-03 20:17:42 +03:00 committed by Jeff Garzik
parent 97cfbfe600
commit 781d655083
1 changed files with 27 additions and 18 deletions
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45
drivers/ata/ahci.c
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@ -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);