1 files changed, 0 insertions, 108 deletions

diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index e3a5f77bbd4d..937fe6e11d0d 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -234,105 +234,6 @@ static int snd_sof_debugfs_probe_item(struct snd_sof_dev *sdev,
 }
 #endif
 
-
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_MSG_INJECTOR)
-static ssize_t msg_inject_read(struct file *file, char __user *buffer,
-			       size_t count, loff_t *ppos)
-{
-	struct snd_sof_dfsentry *dfse = file->private_data;
-	struct sof_ipc_reply *rhdr = dfse->msg_inject_rx;
-
-	if (!rhdr->hdr.size || !count || *ppos)
-		return 0;
-
-	if (count > rhdr->hdr.size)
-		count = rhdr->hdr.size;
-
-	if (copy_to_user(buffer, dfse->msg_inject_rx, count))
-		return -EFAULT;
-
-	*ppos += count;
-	return count;
-}
-
-static ssize_t msg_inject_write(struct file *file, const char __user *buffer,
-				size_t count, loff_t *ppos)
-{
-	struct snd_sof_dfsentry *dfse = file->private_data;
-	struct snd_sof_dev *sdev = dfse->sdev;
-	struct sof_ipc_cmd_hdr *hdr = dfse->msg_inject_tx;
-	size_t size;
-	int ret, err;
-
-	if (*ppos)
-		return 0;
-
-	size = simple_write_to_buffer(dfse->msg_inject_tx, SOF_IPC_MSG_MAX_SIZE,
-				      ppos, buffer, count);
-	if (size != count)
-		return size > 0 ? -EFAULT : size;
-
-	ret = pm_runtime_get_sync(sdev->dev);
-	if (ret < 0 && ret != -EACCES) {
-		dev_err_ratelimited(sdev->dev, "%s: DSP resume failed: %d\n",
-				    __func__, ret);
-		pm_runtime_put_noidle(sdev->dev);
-		goto out;
-	}
-
-	/* send the message */
-	memset(dfse->msg_inject_rx, 0, SOF_IPC_MSG_MAX_SIZE);
-	ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd, dfse->msg_inject_tx, count,
-				 dfse->msg_inject_rx, SOF_IPC_MSG_MAX_SIZE);
-
-	pm_runtime_mark_last_busy(sdev->dev);
-	err = pm_runtime_put_autosuspend(sdev->dev);
-	if (err < 0)
-		dev_err_ratelimited(sdev->dev, "%s: DSP idle failed: %d\n",
-				    __func__, err);
-
-	/* return size if test is successful */
-	if (ret >= 0)
-		ret = size;
-
-out:
-	return ret;
-}
-
-static const struct file_operations msg_inject_fops = {
-	.open = simple_open,
-	.read = msg_inject_read,
-	.write = msg_inject_write,
-	.llseek = default_llseek,
-};
-
-static int snd_sof_debugfs_msg_inject_item(struct snd_sof_dev *sdev,
-					   const char *name, mode_t mode,
-					   const struct file_operations *fops)
-{
-	struct snd_sof_dfsentry *dfse;
-
-	dfse = devm_kzalloc(sdev->dev, sizeof(*dfse), GFP_KERNEL);
-	if (!dfse)
-		return -ENOMEM;
-
-	/* pre allocate the tx and rx buffers */
-	dfse->msg_inject_tx = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
-	dfse->msg_inject_rx = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
-	if (!dfse->msg_inject_tx || !dfse->msg_inject_rx)
-		return -ENOMEM;
-
-	dfse->type = SOF_DFSENTRY_TYPE_BUF;
-	dfse->sdev = sdev;
-
-	debugfs_create_file(name, mode, sdev->debugfs_root, dfse, fops);
-	/* add to dfsentry list */
-	list_add(&dfse->list, &sdev->dfsentry_list);
-
-	return 0;
-}
-#endif
-
 static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
 				  size_t count, loff_t *ppos)
 {
@@ -679,15 +580,6 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)
 		return err;
 #endif
 
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_MSG_INJECTOR)
-	err = snd_sof_debugfs_msg_inject_item(sdev, "ipc_msg_inject", 0644,
-					      &msg_inject_fops);
-
-	/* errors are only due to memory allocation, not debugfs */
-	if (err < 0)
-		return err;
-#endif
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_sof_dbg_init);