ath10k: dump hex bytes with dev string prefix

This makes it easier to debug hex dumps on systems
with more than a single ath10k device.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 4f982c70a6b06d59d688c8fd5bcbc5dfda57bcad..5e001de7aafe5caa835f3c450a3009475f3d8c84 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1264,11 +1264,26 @@ void ath10k_dbg_dump(struct ath10k *ar,
                     const char *msg, const char *prefix,
                     const void *buf, size_t len)
 {
+       char linebuf[256];
+       unsigned int linebuflen;
+       const void *ptr;
+
        if (ath10k_debug_mask & mask) {
                if (msg)
                        ath10k_dbg(ar, mask, "%s\n", msg);
 
-               print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
+               for (ptr = buf; (ptr - buf) < len; ptr += 16) {
+                       linebuflen = 0;
+                       linebuflen += scnprintf(linebuf + linebuflen,
+                                               sizeof(linebuf) - linebuflen,
+                                               "%s%08x: ",
+                                               (prefix ? prefix : ""),
+                                               (unsigned int)(ptr - buf));
+                       hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1,
+                                          linebuf + linebuflen,
+                                          sizeof(linebuf) - linebuflen, true);
+                       dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf);
+               }
        }
 
        /* tracing code doesn't like null strings :/ */