diff options
| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-19 05:50:26 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-19 05:50:38 -0700 |
| commit | 50ee9339c7347c2b16fa79d43777f72e9f41ef5a (patch) | |
| tree | ce09aa147e5c8bb74c72c46cebfdbffeece6678f /drivers/usb/otg/twl4030-usb.c | |
| parent | f0e615c3cb72b42191b558c130409335812621d8 (diff) | |
| parent | 98346f7db014614a4814eb60639f651f8bbc591d (diff) | |
| download | op-kernel-dev-50ee9339c7347c2b16fa79d43777f72e9f41ef5a.zip op-kernel-dev-50ee9339c7347c2b16fa79d43777f72e9f41ef5a.tar.gz | |
Merge 2.6.39-rc4 into usb-next
This is needed to help resolve some xhci issues and other minor
differences.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/otg/twl4030-usb.c')
| -rw-r--r-- | drivers/usb/otg/twl4030-usb.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/otg/twl4030-usb.c index e01b073..efeb4d1 100644 --- a/drivers/usb/otg/twl4030-usb.c +++ b/drivers/usb/otg/twl4030-usb.c @@ -160,6 +160,7 @@ struct twl4030_usb { int irq; u8 linkstat; + bool vbus_supplied; u8 asleep; bool irq_enabled; }; @@ -250,6 +251,8 @@ static enum usb_xceiv_events twl4030_usb_linkstat(struct twl4030_usb *twl) int status; int linkstat = USB_EVENT_NONE; + twl->vbus_supplied = false; + /* * For ID/VBUS sensing, see manual section 15.4.8 ... * except when using only battery backup power, two @@ -265,6 +268,9 @@ static enum usb_xceiv_events twl4030_usb_linkstat(struct twl4030_usb *twl) if (status < 0) dev_err(twl->dev, "USB link status err %d\n", status); else if (status & (BIT(7) | BIT(2))) { + if (status & (BIT(7))) + twl->vbus_supplied = true; + if (status & BIT(2)) linkstat = USB_EVENT_ID; else @@ -484,7 +490,7 @@ static ssize_t twl4030_usb_vbus_show(struct device *dev, spin_lock_irqsave(&twl->lock, flags); ret = sprintf(buf, "%s\n", - (twl->linkstat == USB_EVENT_VBUS) ? "on" : "off"); + twl->vbus_supplied ? "on" : "off"); spin_unlock_irqrestore(&twl->lock, flags); return ret; @@ -608,6 +614,7 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) twl->otg.set_peripheral = twl4030_set_peripheral; twl->otg.set_suspend = twl4030_set_suspend; twl->usb_mode = pdata->usb_mode; + twl->vbus_supplied = false; twl->asleep = 1; /* init spinlock for workqueue */ |
