From 45724a8a82981de911ebb2540e469907ae50a240 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 23 Sep 2014 10:22:53 +0200 Subject: [PATCH] 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 Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 4f982c70a6b0..5e001de7aafe 100644 --- 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 :/ */ -- 2.20.1