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ASoC: SOF: Intel: hda-loader: Clarify the cl_dsp_init() flow 

Update the comment for the cl_dsp_init() to clarify what is done by the
function and use the chip->init_core_mask instead of BIT(0) when
unstalling/running the init core.

Complements: 2a68ff8461 ("ASoC: SOF: Intel: hda: Revisit IMR boot sequence")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220609085949.29062-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2022-06-09 11:59:49 +03:00 committed by Mark Brown
parent c31691e0d1
commit bbfef046c6
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 4 deletions
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8
sound/soc/sof/intel/hda-loader.c
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@ -95,9 +95,9 @@ out_put:
}
/*
* first boot sequence has some extra steps. core 0 waits for power
* status on core 1, so power up core 1 also momentarily, keep it in
* reset/stall and then turn it off
* first boot sequence has some extra steps.
* power on all host managed cores and only unstall/run the boot core to boot the
* DSP then turn off all non boot cores (if any) is powered on.
*/
static int cl_dsp_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot)
{
@ -127,7 +127,7 @@ static int cl_dsp_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot)
snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr);
/* step 3: unset core 0 reset state & unstall/run core 0 */
ret = hda_dsp_core_run(sdev, BIT(0));
ret = hda_dsp_core_run(sdev, chip->init_core_mask);
if (ret < 0) {
if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
dev_err(sdev->dev,