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authorAlek Du <alek.du@intel.com>2010-06-04 15:47:55 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-10 14:35:35 -0700
commit48f24970144479c29b8cee6d2e1dbedf6dcf9cfb (patch)
tree5a4944c496f4209a862188c16f29cdef55db3224 /drivers/usb/host/ehci.h
parentaa4d8342988d0c1a79ff19b2ede1e81dfbb16ea5 (diff)
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USB: EHCI: EHCI 1.1 addendum: Basic LPM feature support
With this patch, the LPM capable EHCI host controller can put device into L1 sleep state which is a mode that can enter/exit quickly, and reduce power consumption. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Alek Du <alek.du@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci.h')
-rw-r--r--drivers/usb/host/ehci.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index bfaac164636..21f30a0c3d2 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -140,7 +140,7 @@ struct ehci_hcd { /* one per controller */
#define OHCI_HCCTRL_LEN 0x4
__hc32 *ohci_hcctrl_reg;
unsigned has_hostpc:1;
-
+ unsigned has_lpm:1; /* support link power management */
u8 sbrn; /* packed release number */
/* irq statistics */