ASoC: SOF: reset enabled_cores state at suspend
authorKai Vehmanen <kai.vehmanen@linux.intel.com>
Fri, 28 May 2021 14:43:30 +0000 (17:43 +0300)
committerMark Brown <broonie@kernel.org>
Tue, 1 Jun 2021 13:03:01 +0000 (14:03 +0100)
The recent changes to use common code to power up/down DSP cores also
removed the reset of the core state at suspend. It turns out this is
still needed. When the firmware state is reset to
SOF_FW_BOOT_NOT_STARTED, also enabled_cores should be reset, and
existing DSP drivers depend on this.

BugLink: https://github.com/thesofproject/linux/issues/2824
Fixes: 42077f08b3 ("ASoC: SOF: update dsp core power status in common APIs")
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20210528144330.2551-1-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/sof/pm.c

index fd26580..c83fb62 100644 (file)
@@ -256,6 +256,7 @@ suspend:
 
        /* reset FW state */
        sdev->fw_state = SOF_FW_BOOT_NOT_STARTED;
+       sdev->enabled_cores_mask = 0;
 
        return ret;
 }