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ASoC: SOF: Intel: hda-ipc: Don't read mailbox for PM_GATE reply 

Memory windows could be powered off before receiving PM_GATE IPC reply
from FW, we can't read the mailbox to get reply.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-15-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
alistair/sunxi64-5.5-dsi
Keyon Jie 2019-10-25 17:41:10 -05:00 committed by Mark Brown
parent 10992004e1
commit 463fbf6dc0
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 2 deletions
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6
sound/soc/sof/intel/hda-ipc.c
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@ -83,10 +83,12 @@ void hda_dsp_ipc_get_reply(struct snd_sof_dev *sdev)
}
hdr = msg->msg_data;
if (hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CTX_SAVE)) {
if (hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CTX_SAVE) ||
hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE)) {
/*
* memory windows are powered off before sending IPC reply,
* so we can't read the mailbox for CTX_SAVE reply.
* so we can't read the mailbox for CTX_SAVE and PM_GATE
* replies.
*/
reply.error = 0;
reply.hdr.cmd = SOF_IPC_GLB_REPLY;