[PATCH v4 2/5] ath10k: save firmware debug log messages.

[greearb at candelatech.com]

From: Ben Greear <greearb at candelatech.com>

They may be dumped through the firmware dump debugfs
file.

Signed-off-by: Ben Greear <greearb at candelatech.com>
---
 drivers/net/wireless/ath/ath10k/wmi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 6f83cae..df62115 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1089,6 +1089,12 @@ static int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb)
 
 	trace_ath10k_wmi_dbglog(skb->data, skb->len);
 
+	/* First 4 bytes are a messages-dropped-due-to-overflow counter,
+	 * and should not be recorded in the dbglog buffer, so we skip
+	 * them.
+	 */
+	ath10k_dbg_save_fw_dbg_buffer(ar, skb->data + 4, skb->len - 4);
+
 	return 0;
 }
 
-- 
1.7.11.7