diff mbox series

[09/11] soundwire: intel: add dynamic debug trace for clock-stop invalid configs

Message ID 20200818024120.20721-10-yung-chuan.liao@linux.intel.com
State New
Headers show
Series [01/11] soundwire: intel: disable shim wake on suspend | expand

Commit Message

Liao, Bard Aug. 18, 2020, 2:41 a.m. UTC 
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Detect cases where the clock is assumed to be stopped but the IP is
not in the relevant state, and add a dynamic debug trace.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
---
 drivers/soundwire/intel.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 7c63581270fd..b82d02af3c4f 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1964,6 +1964,11 @@  static int intel_resume_runtime(struct device *dev)
 			}
 		}
 	} else if (!clock_stop_quirks) {
+
+		clock_stop0 = sdw_cdns_is_clock_stop(&sdw->cdns);
+		if (!clock_stop0)
+			dev_err(dev, "%s invalid configuration, clock was not stopped", __func__);
+
 		ret = intel_init(sdw);
 		if (ret) {
 			dev_err(dev, "%s failed: %d", __func__, ret);