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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2020-01-11 00:57:28 +0300
committerVinod Koul <vkoul@kernel.org>2020-01-14 09:23:12 +0300
commit53ee957269571dd51f88ef3f57c9899c659744cc (patch)
tree3ff283fcb6258841ccb6053dad42c33767f65513 /drivers/soundwire
parent5ebb0945419e5845137102c20b99714ea574a3d8 (diff)
downloadlinux-53ee957269571dd51f88ef3f57c9899c659744cc.tar.xz
soundwire: cadence_master: log more useful information during timeouts
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>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/cadence_master.c3
1 files changed, 2 insertions, 1 deletions
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;
}