diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h index 094aea21cd..d503a278a4 100644 --- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h +++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h @@ -99,10 +99,19 @@ typedef struct _USB_HUB_API USB_HUB_API; // [USB20-7.1.7.5, it says 10ms for hub and 50ms for
// root hub]
//
-#define USB_SET_PORT_RESET_STALL (10 * USB_BUS_1_MILLISECOND)
+// According to USB2.0, Chapter 11.5.1.5 Resetting,
+// the worst case for TDRST is 20ms
+//
+#define USB_SET_PORT_RESET_STALL (20 * USB_BUS_1_MILLISECOND)
#define USB_SET_ROOT_PORT_RESET_STALL (50 * USB_BUS_1_MILLISECOND)
//
+// Wait for port recovery to accept SetAddress, refers to specification
+// [USB20-7.1.7.5, it says 10 ms for TRSTRCY]
+//
+#define USB_SET_PORT_RECOVERY_STALL (10 * USB_BUS_1_MILLISECOND)
+
+//
// Wait for clear roothub port reset, set by experience
//
#define USB_CLR_ROOT_PORT_RESET_STALL (20 * USB_BUS_1_MILLISECOND)
|