tools: usb: testusb: change the help text

[karo-tx-linux.git] / tools / usb / testusb.c

diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
index 68d0734b2081718eeb762e6dcdfa77898d7f7b6c..863d9e2b3424a046be8c2f1f6b2fb2014f8112d5 100644 (file)
--- a/tools/usb/testusb.c
+++ b/tools/usb/testusb.c
@@ -279,8 +279,7 @@ nomem:
 
        entry->ifnum = ifnum;
 
-       /* FIXME ask usbfs what speed; update USBDEVFS_CONNECTINFO so
-        * it tells about high speed etc */
+       /* FIXME update USBDEVFS_CONNECTINFO so it tells about high speed etc */
 
        fprintf(stderr, "%s speed\t%s\t%u\n",
                speed(entry->speed), entry->name, entry->ifnum);
@@ -351,7 +350,7 @@ restart:
        return arg;
 }
 
-static const char *usbfs_dir_find(void)
+static const char *usb_dir_find(void)
 {
        static char udev_usb_path[] = "/dev/bus/usb";
 
@@ -380,7 +379,7 @@ int main (int argc, char **argv)
        int                     c;
        struct testdev          *entry;
        char                    *device;
-       const char              *usbfs_dir = NULL;
+       const char              *usb_dir = NULL;
        int                     all = 0, forever = 0, not = 0;
        int                     test = -1 /* all */;
        struct usbtest_param    param;
@@ -407,8 +406,8 @@ int main (int argc, char **argv)
        case 'D':       /* device, if only one */
                device = optarg;
                continue;
-       case 'A':       /* use all devices with specified usbfs dir */
-               usbfs_dir = optarg;
+       case 'A':       /* use all devices with specified USB dir */
+               usb_dir = optarg;
                /* FALL THROUGH */
        case 'a':       /* use all devices */
                device = NULL;
@@ -449,16 +448,16 @@ usage:
                        "usage: %s [options]\n"
                        "Options:\n"
                        "\t-D dev               only test specific device\n"
-                       "\t-A usbfs-dir\n"
+                       "\t-A usb-dir\n"
                        "\t-a           test all recognized devices\n"
                        "\t-l           loop forever(for stress test)\n"
                        "\t-t testnum   only run specified case\n"
                        "\t-n           no test running, show devices to be tested\n"
                        "Case arguments:\n"
-                       "\t-c iterations        default 1000\n"
-                       "\t-s packetsize        default 512\n"
-                       "\t-g sglen     default 32\n"
-                       "\t-v vary              default 512\n",
+                       "\t-c iterations                default 1000\n"
+                       "\t-s transfer length   default 512\n"
+                       "\t-g sglen             default 32\n"
+                       "\t-v vary                      default 512\n",
                        argv[0]);
                return 1;
        }
@@ -470,18 +469,18 @@ usage:
                goto usage;
        }
 
-       /* Find usbfs mount point */
-       if (!usbfs_dir) {
-               usbfs_dir = usbfs_dir_find();
-               if (!usbfs_dir) {
-                       fputs ("usbfs files are missing\n", stderr);
+       /* Find usb device subdirectory */
+       if (!usb_dir) {
+               usb_dir = usb_dir_find();
+               if (!usb_dir) {
+                       fputs ("USB device files are missing\n", stderr);
                        return -1;
                }
        }
 
        /* collect and list the test devices */
-       if (ftw (usbfs_dir, find_testdev, 3) != 0) {
-               fputs ("ftw failed; is usbfs missing?\n", stderr);
+       if (ftw (usb_dir, find_testdev, 3) != 0) {
+               fputs ("ftw failed; are USB device files missing?\n", stderr);
                return -1;
        }
 
@@ -507,10 +506,8 @@ usage:
                        return handle_testdev (entry) != entry;
                }
                status = pthread_create (&entry->thread, 0, handle_testdev, entry);
-               if (status) {
+               if (status)
                        perror ("pthread_create");
-                       continue;
-               }
        }
        if (device) {
                struct testdev          dev;