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| author | Alek Du <alek.du@intel.com> | 2009-07-13 17:30:41 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-23 06:46:28 -0700 |
| commit | 403dbd36739e344d2d25f56ebbe342248487bd48 (patch) | |
| tree | 1df40f2ae38d5a83ac0a1d04a0fe4d29f4d04002 /drivers/usb/host/ehci-pci.c | |
| parent | 4d155eb5f55b879e9947c3553b33764746fb15d5 (diff) | |
| download | kernel_samsung_smdk4412-403dbd36739e344d2d25f56ebbe342248487bd48.zip kernel_samsung_smdk4412-403dbd36739e344d2d25f56ebbe342248487bd48.tar.gz kernel_samsung_smdk4412-403dbd36739e344d2d25f56ebbe342248487bd48.tar.bz2 | |
USB: EHCI: add need_io_watchdog flag to ehci_hcd
Basically the io watchdog is only useful for those quirk HCDs. For most
good ones, it only brings unnecessary wakeups. At least, I know the
Intel EHCI HCDs should turn off the flag.
Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index b5b83c4..a88ad51 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -129,6 +129,9 @@ static int ehci_pci_setup(struct usb_hcd *hcd) return retval; switch (pdev->vendor) { + case PCI_VENDOR_ID_INTEL: + ehci->need_io_watchdog = 0; + break; case PCI_VENDOR_ID_TDI: if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { hcd->has_tt = 1; |