[PATCH 09/11] soundwire: intel: add dynamic debug trace for clock-stop invalid configs
Bard Liao
yung-chuan.liao at linux.intel.com
Tue Aug 18 04:41:18 CEST 2020
From: Pierre-Louis Bossart <pierre-louis.bossart at 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 at linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao at linux.intel.com>
---
drivers/soundwire/intel.c | 5 +++++
1 file changed, 5 insertions(+)
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);
--
2.17.1
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