ignore bus-id on XILINX_USB_DEV setting missing a device-id

[usb-driver] / usb-driver.c

diff --git a/usb-driver.c b/usb-driver.c
index be3b94ffaded07ff9285328551126c1ea58c98f9..929c1019484581a25a1ae33986583585f936ff39 100644 (file)
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -466,6 +466,8 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        {
                                struct event *e = (struct event*)(wdheader->data);
                                struct usb_bus *bus;
+                               char* devpos;
+                               int busnum = -1, devnum = -1;
                                int i;
 
                                DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
@@ -477,6 +479,37 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                e->u.Usb.dwUniqueID, e->dwEventVer,
                                e->dwNumMatchTables);
 
+                               devpos = getenv("XILINX_USB_DEV");
+                               if (devpos != NULL) {
+                                       int j;
+                                       char *devstr = NULL, *remainder;
+
+                                       DPRINTF("XILINX_USB_DEV=%s\n", devpos);
+
+                                       for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
+                                               if (devpos[j] == ':') {
+                                                       devpos[j] = 0;
+                                                       devstr = &(devpos[j+1]);
+                                               }
+                                       }
+
+                                       if (devstr && strlen(devstr) > 0) {
+                                               busnum = strtol(devpos, &remainder, 10);
+                                               if (devpos == remainder) {
+                                                       busnum = -1;
+                                               } else {
+                                                       devnum = strtol(devstr, &remainder, 10);
+                                                       if (devstr == remainder) {
+                                                               busnum = -1;
+                                                               devnum = -1;
+                                                       } else {
+                                                               fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
+                                                               busnum, devnum);
+                                                       }
+                                               }
+                                       }
+                               }
+
                                for (i = 0; i < e->dwNumMatchTables; i++) {
 
                                        DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
@@ -491,13 +524,17 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                        for (bus = busses; bus; bus = bus->next) {
                                                struct usb_device *dev;
 
+                                               if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
+                                                       continue;
+
                                                for (dev = bus->devices; dev; dev = dev->next) {
                                                        struct usb_device_descriptor *desc = &(dev->descriptor);
 
                                                        if((desc->idVendor == e->matchTables[i].VendorId) &&
                                                           (desc->idProduct == e->matchTables[i].ProductId) &&
                                                           (desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
-                                                          (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass)) {
+                                                          (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
+                                                          ((devnum == -1) || (dev->devnum == devnum)) ) {
                                                                   int ac;
                                                                   for (ac = 0; ac < desc->bNumConfigurations; ac++) {
                                                                           struct usb_interface *interface = dev->config[ac].interface;
@@ -636,7 +673,10 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               pport->close(cr->hCard);
+                               if (pport)
+                                       pport->close(cr->hCard);
+
+                               pport = NULL;
 #endif
                        }
                        break;