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-rw-r--r--drivers/usb/host/ohci-da8xx.c73
1 files changed, 43 insertions, 30 deletions
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
index b3de8bc6cbeb..aa6f904fd1dd 100644
--- a/drivers/usb/host/ohci-da8xx.c
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -35,43 +35,50 @@ static int (*orig_ohci_hub_control)(struct usb_hcd *hcd, u16 typeReq,
u16 wValue, u16 wIndex, char *buf, u16 wLength);
static int (*orig_ohci_hub_status_data)(struct usb_hcd *hcd, char *buf);
-static struct clk *usb11_clk;
-static struct phy *usb11_phy;
+struct da8xx_ohci_hcd {
+ struct clk *usb11_clk;
+ struct phy *usb11_phy;
+};
+
+#define to_da8xx_ohci(hcd) (struct da8xx_ohci_hcd *)(hcd_to_ohci(hcd)->priv)
/* Over-current indicator change bitmask */
static volatile u16 ocic_mask;
-static int ohci_da8xx_enable(void)
+static int ohci_da8xx_enable(struct usb_hcd *hcd)
{
+ struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
int ret;
- ret = clk_prepare_enable(usb11_clk);
+ ret = clk_prepare_enable(da8xx_ohci->usb11_clk);
if (ret)
return ret;
- ret = phy_init(usb11_phy);
+ ret = phy_init(da8xx_ohci->usb11_phy);
if (ret)
goto err_phy_init;
- ret = phy_power_on(usb11_phy);
+ ret = phy_power_on(da8xx_ohci->usb11_phy);
if (ret)
goto err_phy_power_on;
return 0;
err_phy_power_on:
- phy_exit(usb11_phy);
+ phy_exit(da8xx_ohci->usb11_phy);
err_phy_init:
- clk_disable_unprepare(usb11_clk);
+ clk_disable_unprepare(da8xx_ohci->usb11_clk);
return ret;
}
-static void ohci_da8xx_disable(void)
+static void ohci_da8xx_disable(struct usb_hcd *hcd)
{
- phy_power_off(usb11_phy);
- phy_exit(usb11_phy);
- clk_disable_unprepare(usb11_clk);
+ struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
+
+ phy_power_off(da8xx_ohci->usb11_phy);
+ phy_exit(da8xx_ohci->usb11_phy);
+ clk_disable_unprepare(da8xx_ohci->usb11_clk);
}
/*
@@ -97,7 +104,7 @@ static int ohci_da8xx_reset(struct usb_hcd *hcd)
dev_dbg(dev, "starting USB controller\n");
- result = ohci_da8xx_enable();
+ result = ohci_da8xx_enable(hcd);
if (result < 0)
return result;
@@ -109,7 +116,7 @@ static int ohci_da8xx_reset(struct usb_hcd *hcd)
result = ohci_setup(hcd);
if (result < 0) {
- ohci_da8xx_disable();
+ ohci_da8xx_disable(hcd);
return result;
}
@@ -231,6 +238,7 @@ check_port:
static int ohci_da8xx_probe(struct platform_device *pdev)
{
struct da8xx_ohci_root_hub *hub = dev_get_platdata(&pdev->dev);
+ struct da8xx_ohci_hcd *da8xx_ohci;
struct usb_hcd *hcd;
struct resource *mem;
int error, irq;
@@ -238,25 +246,29 @@ static int ohci_da8xx_probe(struct platform_device *pdev)
if (hub == NULL)
return -ENODEV;
- usb11_clk = devm_clk_get(&pdev->dev, "usb11");
- if (IS_ERR(usb11_clk)) {
- if (PTR_ERR(usb11_clk) != -EPROBE_DEFER)
+ hcd = usb_create_hcd(&ohci_da8xx_hc_driver, &pdev->dev,
+ dev_name(&pdev->dev));
+ if (!hcd)
+ return -ENOMEM;
+
+ da8xx_ohci = to_da8xx_ohci(hcd);
+
+ da8xx_ohci->usb11_clk = devm_clk_get(&pdev->dev, "usb11");
+ if (IS_ERR(da8xx_ohci->usb11_clk)) {
+ error = PTR_ERR(da8xx_ohci->usb11_clk);
+ if (error != -EPROBE_DEFER)
dev_err(&pdev->dev, "Failed to get clock.\n");
- return PTR_ERR(usb11_clk);
+ goto err;
}
- usb11_phy = devm_phy_get(&pdev->dev, "usb-phy");
- if (IS_ERR(usb11_phy)) {
- if (PTR_ERR(usb11_phy) != -EPROBE_DEFER)
+ da8xx_ohci->usb11_phy = devm_phy_get(&pdev->dev, "usb-phy");
+ if (IS_ERR(da8xx_ohci->usb11_phy)) {
+ error = PTR_ERR(da8xx_ohci->usb11_phy);
+ if (error != -EPROBE_DEFER)
dev_err(&pdev->dev, "Failed to get phy.\n");
- return PTR_ERR(usb11_phy);
+ goto err;
}
- hcd = usb_create_hcd(&ohci_da8xx_hc_driver, &pdev->dev,
- dev_name(&pdev->dev));
- if (!hcd)
- return -ENOMEM;
-
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hcd->regs = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(hcd->regs)) {
@@ -320,7 +332,7 @@ static int ohci_da8xx_suspend(struct platform_device *pdev,
if (ret)
return ret;
- ohci_da8xx_disable();
+ ohci_da8xx_disable(hcd);
hcd->state = HC_STATE_SUSPENDED;
return ret;
@@ -336,7 +348,7 @@ static int ohci_da8xx_resume(struct platform_device *dev)
msleep(5);
ohci->next_statechange = jiffies;
- ret = ohci_da8xx_enable();
+ ret = ohci_da8xx_enable(hcd);
if (ret)
return ret;
@@ -348,7 +360,8 @@ static int ohci_da8xx_resume(struct platform_device *dev)
#endif
static const struct ohci_driver_overrides da8xx_overrides __initconst = {
- .reset = ohci_da8xx_reset,
+ .reset = ohci_da8xx_reset,
+ .extra_priv_size = sizeof(struct da8xx_ohci_hcd),
};
/*