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authorAlek Du <alek.du@intel.com>2009-07-13 17:30:41 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-23 06:46:28 -0700
commit403dbd36739e344d2d25f56ebbe342248487bd48 (patch)
tree1df40f2ae38d5a83ac0a1d04a0fe4d29f4d04002 /drivers/usb/host/ehci.h
parent4d155eb5f55b879e9947c3553b33764746fb15d5 (diff)
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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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 48b9e889a18..acec1089407 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)