fix USB initialisation procedure

[u-boot] / include / usb.h

diff --git a/include/usb.h b/include/usb.h
index e68e98eadc70d9eaa7f11479e4c06e599a4ab302..9a2e72c9d01528d7b5679ba9cb35ecfeba5718d1 100644 (file)
--- a/include/usb.h
+++ b/include/usb.h
@@ -129,6 +129,13 @@ struct usb_config_descriptor {
        struct usb_interface_descriptor if_desc[USB_MAXINTERFACES];
 } __attribute__ ((packed));
 
+enum {
+       /* Maximum packet size; encoded as 0,1,2,3 = 8,16,32,64 */
+       PACKET_SIZE_8   = 0,
+       PACKET_SIZE_16  = 1,
+       PACKET_SIZE_32  = 2,
+       PACKET_SIZE_64  = 3,
+};
 
 struct usb_device {
        int devnum;                     /* Device number on USB bus */
@@ -137,9 +144,12 @@ struct usb_device {
        char prod[32];                  /* product */
        char serial[32];                /* serial number */
 
-       int maxpacketsize;              /* Maximum packet size; encoded as 0,1,2,3 = 8,16,32,64 */
-       unsigned int toggle[2];         /* one bit for each endpoint ([0] = IN, [1] = OUT) */
-       unsigned int halted[2];         /* endpoint halts; one bit per endpoint # & direction; */
+       /* Maximum packet size; one of: PACKET_SIZE_* */
+       int maxpacketsize;
+       /* one bit for each endpoint ([0] = IN, [1] = OUT) */
+       unsigned int toggle[2];
+       /* endpoint halts; one bit per endpoint # & direction; */
+       unsigned int halted[2];
                            /* [0] = IN, [1] = OUT */
        int epmaxpacketin[16];          /* INput endpoint specific maximums */
        int epmaxpacketout[16];         /* OUTput endpoint specific maximums */