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

From: Vinod Koul
Date: Wed Aug 26 2020 - 05:48:28 EST


On 18-08-20, 10:41, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
>
> 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.

you meant a debug print..and it looks like error print below (also in title).

>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
> ---
> 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

--
~Vinod