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Merge tag 'rpmsg-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Browse Source 
Pull rpmsg updates from Bjorn Andersson:
 "This adds pr_fmt for the rpmsg_char driver, fixes error handling in
  rpmsg_dev_probe() and corrects the spelling of "Return:" in various
  places, in order to fix kerneldoc"

* tag 'rpmsg-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: core: Clean up resources on announce_create failure.
  rpmsg: Fix documentation return formatting
  rpmsg: char: Add pr_fmt() to prefix messages
This commit is contained in:
Linus Torvalds
2022-01-18 09:27:40 +02:00
parent 722d94847d 8066c615cb
commit fc9d6952a4
5 changed files with 36 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/rpmsg/qcom_glink_native.c
View File

@ -427,7 +427,7 @@ static void qcom_glink_handle_intent_req_ack(struct qcom_glink *glink,
* Allocates a local channel id and sends a RPM_CMD_OPEN message to the remote.
* Will return with refcount held, regardless of outcome.
*
* Returns 0 on success, negative errno otherwise.
* Return: 0 on success, negative errno otherwise.
*/
static int qcom_glink_send_open_req(struct qcom_glink *glink,
struct glink_channel *channel)

2
drivers/rpmsg/qcom_smd.c
View File

@ -1467,7 +1467,7 @@ ATTRIBUTE_GROUPS(qcom_smd_edge);
* @parent: parent device for the edge
* @node: device_node describing the edge
*
* Returns an edge reference, or negative ERR_PTR() on failure.
* Return: an edge reference, or negative ERR_PTR() on failure.
*/
struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
struct device_node *node)

7
drivers/rpmsg/rpmsg_char.c
View File

@ -9,6 +9,9 @@
* Based on rpmsg performance statistics driver by Michal Simek, which in turn
* was based on TI & Google OMX rpmsg driver.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/fs.h>
@ -550,7 +553,7 @@ static int rpmsg_chrdev_init(void)
ret = alloc_chrdev_region(&rpmsg_major, 0, RPMSG_DEV_MAX, "rpmsg");
if (ret < 0) {
pr_err("rpmsg: failed to allocate char dev region\n");
pr_err("failed to allocate char dev region\n");
return ret;
}
@ -563,7 +566,7 @@ static int rpmsg_chrdev_init(void)
ret = register_rpmsg_driver(&rpmsg_chrdev_driver);
if (ret < 0) {
pr_err("rpmsgchr: failed to register rpmsg driver\n");
pr_err("failed to register rpmsg driver\n");
class_destroy(rpmsg_class);
unregister_chrdev_region(rpmsg_major, RPMSG_DEV_MAX);
}

44
drivers/rpmsg/rpmsg_core.c
View File

@ -26,7 +26,7 @@
* @rpdev: rpmsg device
* @chinfo: channel_info to bind
*
* Returns a pointer to the new rpmsg device on success, or NULL on error.
* Return: a pointer to the new rpmsg device on success, or NULL on error.
*/
struct rpmsg_device *rpmsg_create_channel(struct rpmsg_device *rpdev,
struct rpmsg_channel_info *chinfo)
@ -48,7 +48,7 @@ EXPORT_SYMBOL(rpmsg_create_channel);
* @rpdev: rpmsg device
* @chinfo: channel_info to bind
*
* Returns 0 on success or an appropriate error value.
* Return: 0 on success or an appropriate error value.
*/
int rpmsg_release_channel(struct rpmsg_device *rpdev,
struct rpmsg_channel_info *chinfo)
@ -102,7 +102,7 @@ EXPORT_SYMBOL(rpmsg_release_channel);
* dynamically assign them an available rpmsg address (drivers should have
* a very good reason why not to always use RPMSG_ADDR_ANY here).
*
* Returns a pointer to the endpoint on success, or NULL on error.
* Return: a pointer to the endpoint on success, or NULL on error.
*/
struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_device *rpdev,
rpmsg_rx_cb_t cb, void *priv,
@ -146,7 +146,7 @@ EXPORT_SYMBOL(rpmsg_destroy_ept);
*
* Can only be called from process context (for now).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
int rpmsg_send(struct rpmsg_endpoint *ept, void *data, int len)
{
@ -175,7 +175,7 @@ EXPORT_SYMBOL(rpmsg_send);
*
* Can only be called from process context (for now).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
int rpmsg_sendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst)
{
@ -206,7 +206,7 @@ EXPORT_SYMBOL(rpmsg_sendto);
*
* Can only be called from process context (for now).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
int rpmsg_send_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst,
void *data, int len)
@ -235,7 +235,7 @@ EXPORT_SYMBOL(rpmsg_send_offchannel);
*
* Can only be called from process context (for now).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
int rpmsg_trysend(struct rpmsg_endpoint *ept, void *data, int len)
{
@ -263,7 +263,7 @@ EXPORT_SYMBOL(rpmsg_trysend);
*
* Can only be called from process context (for now).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
int rpmsg_trysendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst)
{
@ -282,7 +282,7 @@ EXPORT_SYMBOL(rpmsg_trysendto);
* @filp: file for poll_wait()
* @wait: poll_table for poll_wait()
*
* Returns mask representing the current state of the endpoint's send buffers
* Return: mask representing the current state of the endpoint's send buffers
*/
__poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp,
poll_table *wait)
@ -313,7 +313,7 @@ EXPORT_SYMBOL(rpmsg_poll);
*
* Can only be called from process context (for now).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
int rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst,
void *data, int len)
@ -540,13 +540,25 @@ static int rpmsg_dev_probe(struct device *dev)
err = rpdrv->probe(rpdev);
if (err) {
dev_err(dev, "%s: failed: %d\n", __func__, err);
if (ept)
rpmsg_destroy_ept(ept);
goto out;
goto destroy_ept;
}
if (ept && rpdev->ops->announce_create)
if (ept && rpdev->ops->announce_create) {
err = rpdev->ops->announce_create(rpdev);
if (err) {
dev_err(dev, "failed to announce creation\n");
goto remove_rpdev;
}
}
return 0;
remove_rpdev:
if (rpdrv->remove)
rpdrv->remove(rpdev);
destroy_ept:
if (ept)
rpmsg_destroy_ept(ept);
out:
return err;
}
@ -623,7 +635,7 @@ EXPORT_SYMBOL(rpmsg_unregister_device);
* @rpdrv: pointer to a struct rpmsg_driver
* @owner: owning module/driver
*
* Returns 0 on success, and an appropriate error value on failure.
* Return: 0 on success, and an appropriate error value on failure.
*/
int __register_rpmsg_driver(struct rpmsg_driver *rpdrv, struct module *owner)
{
@ -637,7 +649,7 @@ EXPORT_SYMBOL(__register_rpmsg_driver);
* unregister_rpmsg_driver() - unregister an rpmsg driver from the rpmsg bus
* @rpdrv: pointer to a struct rpmsg_driver
*
* Returns 0 on success, and an appropriate error value on failure.
* Return: 0 on success, and an appropriate error value on failure.
*/
void unregister_rpmsg_driver(struct rpmsg_driver *rpdrv)
{

2
drivers/rpmsg/virtio_rpmsg_bus.c
View File

@ -547,7 +547,7 @@ static void rpmsg_downref_sleepers(struct virtproc_info *vrp)
* should use the appropriate rpmsg_{try}send{to, _offchannel} API
* (see include/linux/rpmsg.h).
*
* Returns 0 on success and an appropriate error value on failure.
* Return: 0 on success and an appropriate error value on failure.
*/
static int rpmsg_send_offchannel_raw(struct rpmsg_device *rpdev,
u32 src, u32 dst,