carl9170 firmware tools: don't show null entries

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>

diff --git a/tools/src/fwinfo.c b/tools/src/fwinfo.c
index f0b63a85983b5fb08feb850a7e3745cd2bcad07d..64f23b2277b41b47a0a469c4341d566742ce9069 100644 (file)
--- a/tools/src/fwinfo.c
+++ b/tools/src/fwinfo.c
@@ -150,18 +150,18 @@ static void show_dbg_desc(const struct carl9170fw_desc_head *head,
 {
        const struct carl9170fw_dbg_desc *dbg = (const void *) head;
 
+#define DBG_ADDR(_name, _reg) do {                                     \
+       unsigned int __tmp = le32_to_cpu(dbg->_reg);                    \
+       if (__tmp)                                                      \
+               fprintf(stdout, "\t\t" _name " = 0x%.8x\n", __tmp);     \
+       } while (0);
+
        fprintf(stdout, "\tFirmware Debug Registers/Counters\n");
-       fprintf(stdout, "\t\tbogoclock    = 0x%.8x\n",
-               le32_to_cpu(dbg->bogoclock_addr));
-       fprintf(stdout, "\t\tcounter      = 0x%.8x\n",
-               le32_to_cpu(dbg->counter_addr));
-       fprintf(stdout, "\t\trx total     = 0x%.8x\n",
-               le32_to_cpu(dbg->rx_total_addr));
-       fprintf(stdout, "\t\trx overrun   = 0x%.8x\n",
-               le32_to_cpu(dbg->rx_overrun_addr));
-       fprintf(stdout, "\t\trx filter    = 0x%.8x\n",
-               le32_to_cpu(dbg->rx_filter));
-       /* Nothing interesting here */
+       DBG_ADDR("bogoclock    ", bogoclock_addr);
+       DBG_ADDR("counter      ", counter_addr);
+       DBG_ADDR("rx total     ", rx_total_addr);
+       DBG_ADDR("rx overrun   ", rx_overrun_addr);
+       DBG_ADDR("rx filer     ", rx_filter);
 }
 
 static void show_chk_desc(const struct carl9170fw_desc_head *head,