github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 22:52:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ASoC: SOF: ipc-msg-injector: Query the maximum IPC payload size

Browse Source 
Instead of using the SOF_IPC_MSG_MAX_SIZE as the maximum payload size for
and IPC message, use the provided API to query it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220506132647.18690-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2022-05-06 16:26:41 +03:00 committed by Mark Brown
parent a669ec5f4b
commit ef368c3347
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sound/soc/sof/sof-client-ipc-msg-injector.c
View File

@ -22,6 +22,7 @@
struct sof_msg_inject_priv {
struct dentry *dfs_file;
size_t max_msg_size;
void *tx_buffer;
void *rx_buffer;
@ -78,7 +79,7 @@ static ssize_t sof_msg_inject_dfs_write(struct file *file, const char __user *bu
if (*ppos)
return 0;
size = simple_write_to_buffer(priv->tx_buffer, SOF_IPC_MSG_MAX_SIZE,
size = simple_write_to_buffer(priv->tx_buffer, priv->max_msg_size,
ppos, buffer, count);
if (size != count)
return size > 0 ? -EFAULT : size;
@ -90,9 +91,9 @@ static ssize_t sof_msg_inject_dfs_write(struct file *file, const char __user *bu
}
/* send the message */
memset(priv->rx_buffer, 0, SOF_IPC_MSG_MAX_SIZE);
memset(priv->rx_buffer, 0, priv->max_msg_size);
ret = sof_client_ipc_tx_message(cdev, priv->tx_buffer, priv->rx_buffer,
SOF_IPC_MSG_MAX_SIZE);
priv->max_msg_size);
pm_runtime_mark_last_busy(dev);
err = pm_runtime_put_autosuspend(dev);
if (err < 0)
@ -135,8 +136,9 @@ static int sof_msg_inject_probe(struct auxiliary_device *auxdev,
if (!priv)
return -ENOMEM;
priv->tx_buffer = devm_kmalloc(dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
priv->rx_buffer = devm_kzalloc(dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
priv->max_msg_size = sof_client_get_ipc_max_payload_size(cdev);
priv->tx_buffer = devm_kmalloc(dev, priv->max_msg_size, GFP_KERNEL);
priv->rx_buffer = devm_kzalloc(dev, priv->max_msg_size, GFP_KERNEL);
if (!priv->tx_buffer || !priv->rx_buffer)
return -ENOMEM;