diff options
Diffstat (limited to 'drivers/usb/musb/sunxi.c')
| -rw-r--r-- | drivers/usb/musb/sunxi.c | 74 |
1 files changed, 28 insertions, 46 deletions
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index 76500515d..c6ee16660 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -256,12 +256,10 @@ static int sunxi_musb_init(struct musb *musb) writeb(SUNXI_MUSB_VEND0_PIO_MODE, musb->mregs + SUNXI_MUSB_VEND0); /* Register notifier before calling phy_init() */ - if (musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) { - ret = extcon_register_notifier(glue->extcon, EXTCON_USB_HOST, - &glue->host_nb); - if (ret) - goto error_reset_assert; - } + ret = extcon_register_notifier(glue->extcon, EXTCON_USB_HOST, + &glue->host_nb); + if (ret) + goto error_reset_assert; ret = phy_init(glue->phy); if (ret) @@ -275,9 +273,8 @@ static int sunxi_musb_init(struct musb *musb) return 0; error_unregister_notifier: - if (musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) - extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST, - &glue->host_nb); + extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST, + &glue->host_nb); error_reset_assert: if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) reset_control_assert(glue->rst); @@ -301,9 +298,8 @@ static int sunxi_musb_exit(struct musb *musb) phy_exit(glue->phy); - if (musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) - extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST, - &glue->host_nb); + extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST, + &glue->host_nb); if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags)) reset_control_assert(glue->rst); @@ -315,25 +311,6 @@ static int sunxi_musb_exit(struct musb *musb) return 0; } -static int sunxi_set_mode(struct musb *musb, u8 mode) -{ - struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); - int ret; - - if (mode == MUSB_HOST) { - ret = phy_power_on(glue->phy); - if (ret) - return ret; - - set_bit(SUNXI_MUSB_FL_PHY_ON, &glue->flags); - /* Stop musb work from turning vbus off again */ - set_bit(SUNXI_MUSB_FL_VBUS_ON, &glue->flags); - musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; - } - - return 0; -} - static void sunxi_musb_enable(struct musb *musb) { struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent); @@ -354,13 +331,13 @@ static void sunxi_musb_disable(struct musb *musb) clear_bit(SUNXI_MUSB_FL_ENABLED, &glue->flags); } -struct dma_controller *sunxi_musb_dma_controller_create(struct musb *musb, - void __iomem *base) +static struct dma_controller * +sunxi_musb_dma_controller_create(struct musb *musb, void __iomem *base) { return NULL; } -void sunxi_musb_dma_controller_destroy(struct dma_controller *c) +static void sunxi_musb_dma_controller_destroy(struct dma_controller *c) { } @@ -582,7 +559,6 @@ static const struct musb_platform_ops sunxi_musb_ops = { .exit = sunxi_musb_exit, .enable = sunxi_musb_enable, .disable = sunxi_musb_disable, - .set_mode = sunxi_set_mode, .fifo_offset = sunxi_musb_fifo_offset, .ep_offset = sunxi_musb_ep_offset, .busctl_offset = sunxi_musb_busctl_offset, @@ -638,10 +614,6 @@ static int sunxi_musb_probe(struct platform_device *pdev) return -EINVAL; } - glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); - if (!glue) - return -ENOMEM; - memset(&pdata, 0, sizeof(pdata)); switch (usb_get_dr_mode(&pdev->dev)) { #if defined CONFIG_USB_MUSB_DUAL_ROLE || defined CONFIG_USB_MUSB_HOST @@ -649,15 +621,13 @@ static int sunxi_musb_probe(struct platform_device *pdev) pdata.mode = MUSB_PORT_MODE_HOST; break; #endif +#if defined CONFIG_USB_MUSB_DUAL_ROLE || defined CONFIG_USB_MUSB_GADGET + case USB_DR_MODE_PERIPHERAL: + pdata.mode = MUSB_PORT_MODE_GADGET; + break; +#endif #ifdef CONFIG_USB_MUSB_DUAL_ROLE case USB_DR_MODE_OTG: - glue->extcon = extcon_get_edev_by_phandle(&pdev->dev, 0); - if (IS_ERR(glue->extcon)) { - if (PTR_ERR(glue->extcon) == -EPROBE_DEFER) - return -EPROBE_DEFER; - dev_err(&pdev->dev, "Invalid or missing extcon\n"); - return PTR_ERR(glue->extcon); - } pdata.mode = MUSB_PORT_MODE_DUAL_ROLE; break; #endif @@ -668,6 +638,10 @@ static int sunxi_musb_probe(struct platform_device *pdev) pdata.platform_ops = &sunxi_musb_ops; pdata.config = &sunxi_musb_hdrc_config; + glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); + if (!glue) + return -ENOMEM; + glue->dev = &pdev->dev; INIT_WORK(&glue->work, sunxi_musb_work); glue->host_nb.notifier_call = sunxi_musb_host_notifier; @@ -701,6 +675,14 @@ static int sunxi_musb_probe(struct platform_device *pdev) } } + glue->extcon = extcon_get_edev_by_phandle(&pdev->dev, 0); + if (IS_ERR(glue->extcon)) { + if (PTR_ERR(glue->extcon) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_err(&pdev->dev, "Invalid or missing extcon\n"); + return PTR_ERR(glue->extcon); + } + glue->phy = devm_phy_get(&pdev->dev, "usb"); if (IS_ERR(glue->phy)) { if (PTR_ERR(glue->phy) == -EPROBE_DEFER) |