diff options
Diffstat (limited to 'drivers/usb/musb/musb_core.c')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 63 |
1 files changed, 51 insertions, 12 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 66aaccf0449..2923752b858 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -520,9 +520,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, /* see manual for the order of the tests */ if (int_usb & MUSB_INTR_SESSREQ) { void __iomem *mbase = musb->mregs; - if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS - && (devctl & MUSB_DEVCTL_BDEVICE)) { + || (devctl & MUSB_DEVCTL_BDEVICE)) { dev_dbg(musb->controller, "SessReq while on B state\n"); return IRQ_HANDLED; } @@ -715,6 +714,9 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, b_host: musb->xceiv->state = OTG_STATE_B_HOST; hcd->self.is_b_host = 1; +#ifdef CONFIG_USB_OTG_20 + musb->g.otg_hnp_reqd = 0; +#endif musb->ignore_disconnect = 0; del_timer(&musb->otg_timer); break; @@ -1036,9 +1038,6 @@ static void musb_shutdown(struct platform_device *pdev) || defined(CONFIG_USB_MUSB_AM35X) \ || defined(CONFIG_USB_MUSB_AM35X_MODULE) static ushort __devinitdata fifo_mode = 4; -#elif defined(CONFIG_USB_MUSB_UX500) \ - || defined(CONFIG_USB_MUSB_UX500_MODULE) -static ushort __devinitdata fifo_mode = 5; #else static ushort __devinitdata fifo_mode = 2; #endif @@ -1123,8 +1122,8 @@ static struct musb_fifo_cfg __devinitdata mode_4_cfg[] = { /* mode 5 - fits in 8KB */ static struct musb_fifo_cfg __devinitdata mode_5_cfg[] = { -{ .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, }, -{ .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, .mode = BUF_DOUBLE }, { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, }, { .hw_ep_num = 2, .style = FIFO_RX, .maxpacket = 512, }, { .hw_ep_num = 3, .style = FIFO_TX, .maxpacket = 512, }, @@ -1752,7 +1751,9 @@ musb_srp_store(struct device *dev, struct device_attribute *attr, { struct musb *musb = dev_to_musb(dev); unsigned short srp; - +#ifdef CONFIG_USB_OTG_20 + musb->xceiv->start_srp(musb->xceiv); +#endif if (sscanf(buf, "%hu", &srp) != 1 || (srp != 1)) { dev_err(dev, "SRP: Value must be 1\n"); @@ -1766,10 +1767,45 @@ musb_srp_store(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR(srp, 0644, NULL, musb_srp_store); +static ssize_t +ux500_set_extvbus(struct device *dev, struct device_attribute *attr, + const char *buf, size_t n) +{ + struct musb_hdrc_platform_data *plat = dev->platform_data; + unsigned short extvbus; + + if (sscanf(buf, "%hu", &extvbus) != 1 + || ((extvbus != 1) && (extvbus != 0))) { + dev_err(dev, "Invalid value EXTVBUS must be 1 or 0\n"); + return -EINVAL; + } + + plat->extvbus = extvbus; + + return n; +} + +static ssize_t +ux500_get_extvbus(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct musb_hdrc_platform_data *plat = dev->platform_data; + int extvbus; + + /* FIXME get_vbus_status() is normally #defined as false... + * and is effectively TUSB-specific. + */ + extvbus = plat->extvbus; + + return sprintf(buf, "EXTVBUS is %s\n", + extvbus ? "on" : "off"); +} +static DEVICE_ATTR(extvbus, 0644, ux500_get_extvbus, ux500_set_extvbus); + static struct attribute *musb_attributes[] = { &dev_attr_mode.attr, &dev_attr_vbus.attr, &dev_attr_srp.attr, + &dev_attr_extvbus.attr, NULL }; @@ -1886,7 +1922,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) status = -ENODEV; goto fail0; } - /* allocate */ musb = allocate_instance(dev, plat->config, ctrl); if (!musb) { @@ -2330,7 +2365,7 @@ static int musb_suspend(struct device *dev) return 0; } -static int musb_resume_noirq(struct device *dev) +static int musb_resume(struct device *dev) { /* for static cmos like DaVinci, register values were preserved * unless for some reason the whole soc powered down or the USB @@ -2371,13 +2406,17 @@ static int musb_runtime_resume(struct device *dev) static const struct dev_pm_ops musb_dev_pm_ops = { .suspend = musb_suspend, - .resume_noirq = musb_resume_noirq, + .resume = musb_resume, .runtime_suspend = musb_runtime_suspend, .runtime_resume = musb_runtime_resume, }; - +#ifdef CONFIG_UX500_SOC_DB8500 #define MUSB_DEV_PM_OPS (&musb_dev_pm_ops) #else +#define MUSB_DEV_PM_OPS NULL +#endif + +#else #define MUSB_DEV_PM_OPS NULL #endif |