diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ohci-da8xx.c | 73 |
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), }; /* |