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Message-ID: <20211118173842.GD2530497@p14s>
Date: Thu, 18 Nov 2021 10:38:42 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>,
Ohad Ben-Cohen <ohad@...ery.com>,
linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] rpmsg: Fix documentation return formatting
On Mon, Nov 08, 2021 at 03:01:26PM +0100, Arnaud Pouliquen wrote:
> kernel documentation specification:
> "The return value, if any, should be described in a dedicated section
> named Return."
>
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
> ---
> drivers/rpmsg/qcom_glink_native.c | 2 +-
> drivers/rpmsg/qcom_smd.c | 2 +-
> drivers/rpmsg/rpmsg_core.c | 24 ++++++++++++------------
> drivers/rpmsg/virtio_rpmsg_bus.c | 2 +-
> 4 files changed, 15 insertions(+), 15 deletions(-)
I have applied this set. There is a few more instances in drivers/remoteproc
that could be fixed the same way.
Thanks,
Mathieu
>
> diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
> index 3f377a795b33..1030cfa80e04 100644
> --- a/drivers/rpmsg/qcom_glink_native.c
> +++ b/drivers/rpmsg/qcom_glink_native.c
> @@ -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)
> diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
> index 8da1b5cb31b3..540e027f08c4 100644
> --- a/drivers/rpmsg/qcom_smd.c
> +++ b/drivers/rpmsg/qcom_smd.c
> @@ -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)
> diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
> index d3eb60059ef1..f031b2b1b21c 100644
> --- a/drivers/rpmsg/rpmsg_core.c
> +++ b/drivers/rpmsg/rpmsg_core.c
> @@ -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)
> @@ -623,7 +623,7 @@ 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 +637,7 @@ 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)
> {
> diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
> index 9c112aa65040..c37451512835 100644
> --- a/drivers/rpmsg/virtio_rpmsg_bus.c
> +++ b/drivers/rpmsg/virtio_rpmsg_bus.c
> @@ -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,
> --
> 2.17.1
>
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