Remove dead code and unused variables

src/stlink-common.c

@@ -314,7 +314,7 @@ void stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid) {
  */
 int stlink_load_device_params(stlink_t *sl) {
     ILOG("Loading device parameters....\n");
-    chip_params_t *params = NULL;
+    const chip_params_t *params = NULL;
     uint32_t chip_id = stlink_chip_id(sl);
     sl->chip_id = chip_id;
 	for(size_t i = 0; i < sizeof(devices) / sizeof(devices[0]); i++) {
@@ -547,7 +547,7 @@ void stlink_core_stat(stlink_t *sl) {
 }
 
 void stlink_print_data(stlink_t * sl) {
-    if (sl->q_len <= 0 || sl->verbose < 2)
+    if (sl->q_len <= 0 || sl->verbose < UDEBUG)
         return;
     if (sl->verbose > 2)
         fprintf(stdout, "data_len = %d 0x%x\n", sl->q_len, sl->q_len);

src/stlink-sg.c

@@ -97,14 +97,6 @@
 #define WLOG(format, args...)         ugly_log(UWARN, LOG_TAG, format, ## args)
 #define fatal(format, args...)        ugly_log(UFATAL, LOG_TAG, format, ## args)
 
-// Suspends execution of the calling process for
-// (at least) ms milliseconds.
-
-static void delay(int ms) {
-    //fprintf(stderr, "*** wait %d ms\n", ms);
-    usleep(1000 * ms);
-}
-
 static void clear_cdb(struct stlink_libsg *sl) {
     for (size_t i = 0; i < sizeof (sl->cdb_cmd_blk); i++)
         sl->cdb_cmd_blk[i] = 0;

src/stlink-usb.c

@@ -150,33 +150,6 @@ static inline int send_only
 }
 
 
-/* Search for a STLINK device, either any or teh one with the given PID
- * Return the protocoll version
- */
-static int is_stlink_device(libusb_device * dev, uint16_t pid) {
-    struct libusb_device_descriptor desc;
-    int version;
-
-    if (libusb_get_device_descriptor(dev, &desc))
-        return 0;
-
-    if (desc.idVendor != USB_ST_VID)
-        return 0;
-
-    if ((desc.idProduct != USB_STLINK_32L_PID) && 
-        (desc.idProduct != USB_STLINK_PID ))
-        return 0;
-
-    if(pid && (pid != desc.idProduct))
-        return 0;
-    if (desc.idProduct == USB_STLINK_PID )
-        version = 1;
-    else
-        version = 2;
-
-    return version;
-}
-
 static int fill_command
 (stlink_t * sl, enum SCSI_Generic_Direction dir, uint32_t len) {
     struct stlink_libusb * const slu = sl->backend_data;
@@ -580,11 +553,7 @@ stlink_t* stlink_open_usb(const int verbose) {
     struct stlink_libusb* slu = NULL;
     int error = -1;
     libusb_device** devs = NULL;
-    libusb_device* dev;
-    ssize_t i;
-    ssize_t count;
     int config;
-    char *iSerial = NULL;
 
     sl = malloc(sizeof (stlink_t));
     slu = malloc(sizeof (struct stlink_libusb));