diff options
author | Alek Du <alek.du@intel.com> | 2009-07-13 11:30:41 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-23 15:46:28 +0200 |
commit | 403dbd36739e344d2d25f56ebbe342248487bd48 (patch) | |
tree | 1df40f2ae38d5a83ac0a1d04a0fe4d29f4d04002 /drivers/usb/host/ehci.h | |
parent | USB: full autosuspend and power management support for usbsevseg (diff) | |
download | linux-403dbd36739e344d2d25f56ebbe342248487bd48.tar.xz linux-403dbd36739e344d2d25f56ebbe342248487bd48.zip |
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.h')
-rw-r--r-- | drivers/usb/host/ehci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 48b9e889a18b..acec10894078 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -126,6 +126,7 @@ struct ehci_hcd { /* one per controller */ unsigned big_endian_mmio:1; unsigned big_endian_desc:1; unsigned has_amcc_usb23:1; + unsigned need_io_watchdog:1; /* required for usb32 quirk */ #define OHCI_CTRL_HCFS (3 << 6) |