diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 12:33:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 12:33:02 -0700 |
| commit | c44dead70a841d90ddc01968012f323c33217c9e (patch) | |
| tree | 85489ebe9b9a3413cd8ee197ffb40c8aa8d97e63 /drivers/usb/otg/twl4030-usb.c | |
| parent | 99dff5856220a02b8711f2e8746413ea6e53ccf6 (diff) | |
| parent | d5f6db9e1aff6ccf1876224f152c0268b0c8a992 (diff) | |
Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (205 commits)
USB: EHCI: Remove SPARC_LEON {read,write}_be definitions from ehci.h
USB: UHCI: Support big endian GRUSBHC HC
sparc: add {read,write}*_be routines
USB: UHCI: Add support for big endian descriptors
USB: UHCI: Use ACCESS_ONCE rather than using a full compiler barrier
USB: UHCI: Add support for big endian mmio
usb-storage: Correct adjust_quirks to include latest flags
usb/isp1760: Fix possible unlink problems
usb/isp1760: Move function isp1760_endpoint_disable() within file.
USB: remove remaining usages of hcd->state from usbcore and fix regression
usb: musb: ux500: add configuration and build options for ux500 dma
usb: musb: ux500: add dma glue layer for ux500
usb: musb: ux500: add dma name for ux500
usb: musb: ux500: add ux500 specific code for gadget side
usb: musb: fix compile error
usb-storage: fix up the unusual_realtek device list
USB: gadget: f_audio: Fix invalid dereference of initdata
EHCI: don't rescan interrupt QHs needlessly
OHCI: fix regression caused by nVidia shutdown workaround
USB: OTG: msm: Free VCCCX regulator even if we can't set the voltage
...
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 e01b073cc48..efeb4d1517f 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 */ |