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authorAlek Du <alek.du@intel.com>2009-07-13 12:41:20 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-23 06:46:29 -0700
commit331ac6b288d9f3689514ced1878041fb0df7e13c (patch)
treec2a9d0187fea9224b81a0460b3fbe7f2e4ed0c21 /drivers/usb/host/ehci.h
parent3807e26d69b9ad3864fe03224ebebc9610d5802e (diff)
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USB: EHCI: Add Intel Moorestown EHCI controller HOSTPCx extensions and support phy low power mode
The Intel Moorestown EHCI controller supports non-standard HOSTPCx register extension. This register controls the LPM behaviour and controls the behaviour of each USB port. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Alek Du <alek.du@intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci.h')
-rw-r--r--drivers/usb/host/ehci.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index fa12f20fbfe..ec3dba6b8e4 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -136,6 +136,7 @@ struct ehci_hcd { /* one per controller */
#define OHCI_HCCTRL_OFFSET 0x4
#define OHCI_HCCTRL_LEN 0x4
__hc32 *ohci_hcctrl_reg;
+ unsigned has_hostpc:1;
u8 sbrn; /* packed release number */
@@ -548,7 +549,7 @@ static inline unsigned int
ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
{
if (ehci_is_TDI(ehci)) {
- switch ((portsc>>26)&3) {
+ switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
case 0:
return 0;
case 1: