From 53ee957269571dd51f88ef3f57c9899c659744cc Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Fri, 10 Jan 2020 15:57:28 -0600
Subject: [PATCH] soundwire: cadence_master: log more useful information during timeouts
Git-commit: 53ee957269571dd51f88ef3f57c9899c659744cc
Patch-mainline: v5.6-rc1
References: jsc#SLE-16518

Add the type of command, device number, register offset and length to
reverse engineer what caused the issue.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200110215731.30747-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/soundwire/cadence_master.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index 847b8f5f0a32..6ef2f759310d 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -447,7 +447,8 @@ _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd,
 	time = wait_for_completion_timeout(&cdns->tx_complete,
 					   msecs_to_jiffies(CDNS_TX_TIMEOUT));
 	if (!time) {
-		dev_err(cdns->dev, "IO transfer timed out\n");
+		dev_err(cdns->dev, "IO transfer timed out, cmd %d device %d addr %x len %d\n",
+			cmd, msg->dev_num, msg->addr, msg->len);
 		msg->len = 0;
 		return SDW_CMD_TIMEOUT;
 	}
-- 
2.16.4