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soundwire: cadence_master: log more useful information during timeouts

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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>
This commit is contained in:
Pierre-Louis Bossart 2020-01-10 15:57:28 -06:00 committed by Vinod Koul
parent 5ebb094541
commit 53ee957269
1 changed files with 2 additions and 1 deletions
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3
drivers/soundwire/cadence_master.c
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@ -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, time = wait_for_completion_timeout(&cdns->tx_complete,
msecs_to_jiffies(CDNS_TX_TIMEOUT)); msecs_to_jiffies(CDNS_TX_TIMEOUT));
if (!time) { 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; msg->len = 0;
return SDW_CMD_TIMEOUT; return SDW_CMD_TIMEOUT;
} }