1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h
index 2e262cb15425..e49dfd45baa4 100644
--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
@@ -127,7 +127,9 @@ struct ehci_regs {
 #define PORT_WKDISC_E   (1<<21)         /* wake on disconnect (enable) */
 #define PORT_WKCONN_E   (1<<20)         /* wake on connect (enable) */
 /* 19:16 for port testing */
-#define PORT_TEST_PKT   (0x4<<16)       /* Port Test Control - packet test */
+#define PORT_TEST(x)    (((x)&0xf)<<16) /* Port Test Control */
+#define PORT_TEST_PKT   PORT_TEST(0x4)  /* Port Test Control - packet test */
+#define PORT_TEST_FORCE PORT_TEST(0x5)  /* Port Test Control - force enable */
 #define PORT_LED_OFF    (0<<14)
 #define PORT_LED_AMBER  (1<<14)
 #define PORT_LED_GREEN  (2<<14)
@@ -157,7 +159,7 @@ struct ehci_regs {
 #define USBMODE_CM_IDLE (0<<0)          /* idle state */
 
 /* Moorestown has some non-standard registers, partially due to the fact that
- * its EHCI controller has both TT and LPM support. HOSTPCx are extentions to
+ * its EHCI controller has both TT and LPM support. HOSTPCx are extensions to
  * PORTSCx
  */
 #define HOSTPC0         0x84            /* HOSTPC extension */