From: Keyon Jie Date: Fri, 28 Feb 2020 23:18:49 +0000 (-0600) Subject: ASoC: SOF: Intel: hda-loader: clear the IPC ack bit after FW_PURGE done X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8354d9b44530b5f534146668ae641572dede79a4;p=linux.git ASoC: SOF: Intel: hda-loader: clear the IPC ack bit after FW_PURGE done Set DONE bit after the FW_PURGE IPC is polled successfully, to clear the interrupt and avoid the arrival of the confusing unexpected ipc. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Keyon Jie Link: https://lore.kernel.org/r/20200228231850.9226-4-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c index 8852184a25690..03b05d7f66da3 100644 --- a/sound/soc/sof/intel/hda-loader.c +++ b/sound/soc/sof/intel/hda-loader.c @@ -131,6 +131,12 @@ static int cl_dsp_init(struct snd_sof_dev *sdev, const void *fwdata, goto err; } + /* set DONE bit to clear the reply IPC message */ + snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, + chip->ipc_ack, + chip->ipc_ack_mask, + chip->ipc_ack_mask); + /* step 5: power down corex */ ret = hda_dsp_core_power_down(sdev, chip->cores_mask & ~(HDA_DSP_CORE_MASK(0)));