diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-09-01 17:05:54 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-03 12:44:39 +0200 |
| commit | f748f34ef96848fc576002084d7ef9773011ed6a (patch) | |
| tree | 31f5ecfa4cb5bed9dfc6dbf0150cebdf14cc477a /drivers/soundwire | |
| parent | soundwire: stream: enable hw_sync as needed by hardware (diff) | |
| download | linux-f748f34ef96848fc576002084d7ef9773011ed6a.tar.xz linux-f748f34ef96848fc576002084d7ef9773011ed6a.zip | |
soundwire: intel: add error log for clock-stop invalid configs
Detect cases where the clock is assumed to be stopped but the IP is
not in the relevant state. There is no real way to recover here, but
adding an error log can help detect bad programming sequences or race
conditions.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200901150556.19432-9-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/intel.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 272826973426..97c8cfc54ddd 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1931,6 +1931,11 @@ 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); |