diff options
Diffstat (limited to 'drivers/usb/musb/da8xx.c')
-rw-r--r-- | drivers/usb/musb/da8xx.c | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 0f9fcec4e1d3..8bc44b76eec2 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -33,9 +33,10 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/usb/nop-usb-xceiv.h> #include <mach/da8xx.h> -#include <mach/usb.h> +#include <linux/platform_data/usb-davinci.h> #include "musb_core.h" @@ -155,9 +156,8 @@ static void da8xx_musb_enable(struct musb *musb) musb_writel(reg_base, DA8XX_USB_INTR_MASK_SET_REG, mask); /* Force the DRVVBUS IRQ so we can start polling for ID change. */ - if (is_otg_enabled(musb)) - musb_writel(reg_base, DA8XX_USB_INTR_SRC_SET_REG, - DA8XX_INTR_DRVVBUS << DA8XX_INTR_USB_SHIFT); + musb_writel(reg_base, DA8XX_USB_INTR_SRC_SET_REG, + DA8XX_INTR_DRVVBUS << DA8XX_INTR_USB_SHIFT); } /** @@ -231,9 +231,6 @@ static void otg_timer(unsigned long _musb) MUSB_INTR_VBUSERROR << DA8XX_INTR_USB_SHIFT); break; case OTG_STATE_B_IDLE: - if (!is_peripheral_enabled(musb)) - break; - /* * There's no ID-changed IRQ, so we have no good way to tell * when to switch to the A-Default state machine (by setting @@ -263,9 +260,6 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout) { static unsigned long last_timer; - if (!is_otg_enabled(musb)) - return; - if (timeout == 0) timeout = jiffies + msecs_to_jiffies(3); @@ -333,8 +327,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) u8 devctl = musb_readb(mregs, MUSB_DEVCTL); int err; - err = is_host_enabled(musb) && (musb->int_usb & - MUSB_INTR_VBUSERROR); + err = musb->int_usb & USB_INTR_VBUSERROR; if (err) { /* * The Mentor core doesn't debounce VBUS as needed @@ -351,7 +344,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) musb->xceiv->state = OTG_STATE_A_WAIT_VFALL; mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); WARNING("VBUS error workaround (delay coming)\n"); - } else if (is_host_enabled(musb) && drvvbus) { + } else if (drvvbus) { MUSB_HST_MODE(musb); otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; @@ -382,7 +375,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) musb_writel(reg_base, DA8XX_USB_END_OF_INTR_REG, 0); /* Poll for ID change */ - if (is_otg_enabled(musb) && musb->xceiv->state == OTG_STATE_B_IDLE) + if (musb->xceiv->state == OTG_STATE_B_IDLE) mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -430,8 +423,7 @@ static int da8xx_musb_init(struct musb *musb) if (IS_ERR_OR_NULL(musb->xceiv)) goto fail; - if (is_host_enabled(musb)) - setup_timer(&otg_workaround, otg_timer, (unsigned long)musb); + setup_timer(&otg_workaround, otg_timer, (unsigned long)musb); /* Reset the controller */ musb_writel(reg_base, DA8XX_USB_CTRL_REG, DA8XX_SOFT_RESET_MASK); @@ -454,8 +446,7 @@ fail: static int da8xx_musb_exit(struct musb *musb) { - if (is_host_enabled(musb)) - del_timer_sync(&otg_workaround); + del_timer_sync(&otg_workaround); phy_off(); @@ -489,6 +480,7 @@ static int __devinit da8xx_probe(struct platform_device *pdev) struct clk *clk; int ret = -ENOMEM; + int musbid; glue = kzalloc(sizeof(*glue), GFP_KERNEL); if (!glue) { @@ -496,25 +488,34 @@ static int __devinit da8xx_probe(struct platform_device *pdev) goto err0; } - musb = platform_device_alloc("musb-hdrc", -1); + /* get the musb id */ + musbid = musb_get_id(&pdev->dev, GFP_KERNEL); + if (musbid < 0) { + dev_err(&pdev->dev, "failed to allocate musb id\n"); + ret = -ENOMEM; + goto err1; + } + + musb = platform_device_alloc("musb-hdrc", musbid); if (!musb) { dev_err(&pdev->dev, "failed to allocate musb device\n"); - goto err1; + goto err2; } clk = clk_get(&pdev->dev, "usb20"); if (IS_ERR(clk)) { dev_err(&pdev->dev, "failed to get clock\n"); ret = PTR_ERR(clk); - goto err2; + goto err3; } ret = clk_enable(clk); if (ret) { dev_err(&pdev->dev, "failed to enable clock\n"); - goto err3; + goto err4; } + musb->id = musbid; musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &da8xx_dmamask; musb->dev.coherent_dma_mask = da8xx_dmamask; @@ -531,32 +532,35 @@ static int __devinit da8xx_probe(struct platform_device *pdev) pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); - goto err4; + goto err5; } ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(&pdev->dev, "failed to add platform_data\n"); - goto err4; + goto err5; } ret = platform_device_add(musb); if (ret) { dev_err(&pdev->dev, "failed to register musb device\n"); - goto err4; + goto err5; } return 0; -err4: +err5: clk_disable(clk); -err3: +err4: clk_put(clk); -err2: +err3: platform_device_put(musb); +err2: + musb_put_id(&pdev->dev, musbid); + err1: kfree(glue); @@ -568,6 +572,7 @@ static int __devexit da8xx_remove(struct platform_device *pdev) { struct da8xx_glue *glue = platform_get_drvdata(pdev); + musb_put_id(&pdev->dev, glue->musb->id); platform_device_del(glue->musb); platform_device_put(glue->musb); clk_disable(glue->clk); |