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Date: Thu, 18 Nov 2021 19:27:40 +0100
From: Arnaud POULIQUEN <arnaud.pouliquen@...s.st.com>
To: Mathieu Poirier <mathieu.poirier@...aro.org>
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 11/18/21 6:38 PM, Mathieu Poirier wrote:
> 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.
If nobody fix this before, I will address it when preparing the V2 for my
series on remoteproc virtio restructuring.
Thanks,
Arnaud
>
> 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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