diff options
Diffstat (limited to 'sound/soc/sof/ipc.c')
| -rw-r--r-- | sound/soc/sof/ipc.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c index 894e68cbd69d..10304a90cf25 100644 --- a/sound/soc/sof/ipc.c +++ b/sound/soc/sof/ipc.c @@ -308,19 +308,8 @@ EXPORT_SYMBOL(sof_ipc_tx_message); int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id) { struct snd_sof_ipc_msg *msg = &sdev->ipc->msg; - unsigned long flags; - - /* - * Protect against a theoretical race with sof_ipc_tx_message(): if the - * DSP is fast enough to receive an IPC message, reply to it, and the - * host interrupt processing calls this function on a different core - * from the one, where the sending is taking place, the message might - * not yet be marked as expecting a reply. - */ - spin_lock_irqsave(&sdev->ipc_lock, flags); if (msg->ipc_complete) { - spin_unlock_irqrestore(&sdev->ipc_lock, flags); dev_err(sdev->dev, "error: no reply expected, received 0x%x", msg_id); return -EINVAL; @@ -330,8 +319,6 @@ int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id) msg->ipc_complete = true; wake_up(&msg->waitq); - spin_unlock_irqrestore(&sdev->ipc_lock, flags); - return 0; } EXPORT_SYMBOL(snd_sof_ipc_reply); |