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| author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-01 16:41:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-01 16:41:58 -0800 |
| commit | 9641219825a54249d77d7aa1afa7d874a05c7f90 (patch) | |
| tree | 94dae67a8804a070e2597b931d1e3335f08389fc /drivers/usb/host/ohci-hcd.c | |
| parent | 72a73a69f6a79266b8b4b18f796907b73a5c01e3 (diff) | |
| parent | 94fcda1f8ab5e0cacc381c5ca1cc9aa6ad523576 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (103 commits)
usbcore: remove unused argument in autosuspend
USB: keep count of unsuspended children
USB hub: simplify remote-wakeup handling
USB: struct usb_device: change flag to bitflag
OHCI: make autostop conditional on CONFIG_PM
USB: Add autosuspend support to the hub driver
EHCI: Fix root-hub and port suspend/resume problems
USB: create a new thread for every USB device found during the probe sequence
USB: add driver for the USB debug devices
USB: added dynamic major number for USB endpoints
USB: pegasus error path not resetting task's state
USB: endianness fix for asix.c
USB: build the appledisplay driver
USB serial: replace kmalloc+memset with kzalloc
USB: hid-core: canonical defines for Apple USB device IDs
USB: idmouse cleanup
USB: make drivers/usb/core/driver.c:usb_device_match() static
USB: lh7a40x_udc remove double declaration
USB: pxa2xx_udc recognizes ixp425 rev b0 chip
usbtouchscreen: add support for DMC TSC-10/25 devices
...
Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ohci-hcd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ea4714e557e4..a95275a401b1 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -729,6 +729,16 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) ohci->next_statechange = jiffies + STATECHANGE_DELAY; ohci_writel(ohci, OHCI_INTR_RD | OHCI_INTR_RHSC, ®s->intrstatus); + + /* NOTE: Vendors didn't always make the same implementation + * choices for RHSC. Many followed the spec; RHSC triggers + * on an edge, like setting and maybe clearing a port status + * change bit. With others it's level-triggered, active + * until khubd clears all the port status change bits. We'll + * always disable it here and rely on polling until khubd + * re-enables it. + */ + ohci_writel(ohci, OHCI_INTR_RHSC, ®s->intrdisable); usb_hcd_poll_rh_status(hcd); } |