2023-07-06 14:47:08

by Marco Pagani

[permalink] [raw]
Subject: [RFC PATCH 2/2] fpga: bridge: fix kernel-doc

Fix the following warnings issued by the kernel-doc script:

drivers/fpga/fpga-bridge.c:99: warning: No description found for return value of 'of_fpga_bridge_get'
drivers/fpga/fpga-bridge.c:163: warning: No description found for return value of 'fpga_bridges_enable'
drivers/fpga/fpga-bridge.c:187: warning: No description found for return value of 'fpga_bridges_disable'
drivers/fpga/fpga-bridge.c:238: warning: No description found for return value of 'of_fpga_bridge_get_to_list'
drivers/fpga/fpga-bridge.c:268: warning: No description found for return value of 'fpga_bridge_get_to_list'

- Extend the return description of of_fpga_bridge_get() to include the
case when try_module_get() fails.

Signed-off-by: Marco Pagani <[email protected]>
---
drivers/fpga/fpga-bridge.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
index a6c25dee9cc1..0b76c67c50e5 100644
--- a/drivers/fpga/fpga-bridge.c
+++ b/drivers/fpga/fpga-bridge.c
@@ -87,12 +87,13 @@ static struct fpga_bridge *__fpga_bridge_get(struct device *dev,
/**
* of_fpga_bridge_get - get an exclusive reference to an fpga bridge
*
- * @np: node pointer of an FPGA bridge
- * @info: fpga image specific information
+ * @np: node pointer of an FPGA bridge.
+ * @info: fpga image specific information.
*
- * Return fpga_bridge struct if successful.
- * Return -EBUSY if someone already has a reference to the bridge.
- * Return -ENODEV if @np is not an FPGA Bridge.
+ * Return:
+ * * fpga_bridge struct pointer if successful.
+ * * -EBUSY if someone already has a reference to the bridge.
+ * * -ENODEV if @np is not an FPGA Bridge or can't take parent driver refcount.
*/
struct fpga_bridge *of_fpga_bridge_get(struct device_node *np,
struct fpga_image_info *info)
@@ -155,9 +156,9 @@ EXPORT_SYMBOL_GPL(fpga_bridge_put);
* fpga_bridges_enable - enable bridges in a list
* @bridge_list: list of FPGA bridges
*
- * Enable each bridge in the list. If list is empty, do nothing.
+ * Enable each bridge in the list. If list is empty, do nothing.
*
- * Return 0 for success or empty bridge list; return error code otherwise.
+ * Return: 0 for success or empty bridge list or an error code otherwise.
*/
int fpga_bridges_enable(struct list_head *bridge_list)
{
@@ -179,9 +180,9 @@ EXPORT_SYMBOL_GPL(fpga_bridges_enable);
*
* @bridge_list: list of FPGA bridges
*
- * Disable each bridge in the list. If list is empty, do nothing.
+ * Disable each bridge in the list. If list is empty, do nothing.
*
- * Return 0 for success or empty bridge list; return error code otherwise.
+ * Return: 0 for success or empty bridge list or an error code otherwise.
*/
int fpga_bridges_disable(struct list_head *bridge_list)
{
@@ -230,7 +231,7 @@ EXPORT_SYMBOL_GPL(fpga_bridges_put);
*
* Get an exclusive reference to the bridge and it to the list.
*
- * Return 0 for success, error code from of_fpga_bridge_get() otherwise.
+ * Return: 0 for success, error code from of_fpga_bridge_get() otherwise.
*/
int of_fpga_bridge_get_to_list(struct device_node *np,
struct fpga_image_info *info,
@@ -260,7 +261,7 @@ EXPORT_SYMBOL_GPL(of_fpga_bridge_get_to_list);
*
* Get an exclusive reference to the bridge and it to the list.
*
- * Return 0 for success, error code from fpga_bridge_get() otherwise.
+ * Return: 0 for success, error code from fpga_bridge_get() otherwise.
*/
int fpga_bridge_get_to_list(struct device *dev,
struct fpga_image_info *info,
--
2.41.0



2023-07-06 21:44:15

by Randy Dunlap

[permalink] [raw]
Subject: Re: [RFC PATCH 2/2] fpga: bridge: fix kernel-doc

Hi again,

On 7/6/23 14:35, Randy Dunlap wrote:
> HI--
>
> On 7/6/23 07:27, Marco Pagani wrote:
>> Fix the following warnings issued by the kernel-doc script:
>>
>> drivers/fpga/fpga-bridge.c:99: warning: No description found for return value of 'of_fpga_bridge_get'
>> drivers/fpga/fpga-bridge.c:163: warning: No description found for return value of 'fpga_bridges_enable'
>> drivers/fpga/fpga-bridge.c:187: warning: No description found for return value of 'fpga_bridges_disable'
>> drivers/fpga/fpga-bridge.c:238: warning: No description found for return value of 'of_fpga_bridge_get_to_list'
>> drivers/fpga/fpga-bridge.c:268: warning: No description found for return value of 'fpga_bridge_get_to_list'
>>
>> - Extend the return description of of_fpga_bridge_get() to include the
>> case when try_module_get() fails.
>>
>> Signed-off-by: Marco Pagani <[email protected]>
>> ---
>> drivers/fpga/fpga-bridge.c | 23 ++++++++++++-----------
>> 1 file changed, 12 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
>> index a6c25dee9cc1..0b76c67c50e5 100644
>> --- a/drivers/fpga/fpga-bridge.c
>> +++ b/drivers/fpga/fpga-bridge.c
>> @@ -87,12 +87,13 @@ static struct fpga_bridge *__fpga_bridge_get(struct device *dev,
>> /**
>> * of_fpga_bridge_get - get an exclusive reference to an fpga bridge
>> *
>> - * @np: node pointer of an FPGA bridge
>> - * @info: fpga image specific information
>> + * @np: node pointer of an FPGA bridge.
>> + * @info: fpga image specific information.
>
> Those are not sentences. There is no reason that a period ('.') is needed
> to end those lines. OTOH, the maintainers can do as they like with it.
>
> The rest looks good. Thanks.
>
> Reviewed-by: Randy Dunlap <[email protected]>
>
>> *
>> - * Return fpga_bridge struct if successful.
>> - * Return -EBUSY if someone already has a reference to the bridge.
>> - * Return -ENODEV if @np is not an FPGA Bridge.
>> + * Return:
>> + * * fpga_bridge struct pointer if successful.
>> + * * -EBUSY if someone already has a reference to the bridge.
>> + * * -ENODEV if @np is not an FPGA Bridge or can't take parent driver refcount.
>> */
>> struct fpga_bridge *of_fpga_bridge_get(struct device_node *np,
>> struct fpga_image_info *info)
>> @@ -155,9 +156,9 @@ EXPORT_SYMBOL_GPL(fpga_bridge_put);
>> * fpga_bridges_enable - enable bridges in a list
>> * @bridge_list: list of FPGA bridges
>> *
>> - * Enable each bridge in the list. If list is empty, do nothing.
>> + * Enable each bridge in the list. If list is empty, do nothing.

These (multiple) 2-space to 1-space changes also are not necessary but are at the
discretion of the maintainers.

>> *
>> - * Return 0 for success or empty bridge list; return error code otherwise.
>> + * Return: 0 for success or empty bridge list or an error code otherwise.
>> */
>> int fpga_bridges_enable(struct list_head *bridge_list)
>> {
>> @@ -179,9 +180,9 @@ EXPORT_SYMBOL_GPL(fpga_bridges_enable);
>> *
>> * @bridge_list: list of FPGA bridges
>> *
>> - * Disable each bridge in the list. If list is empty, do nothing.
>> + * Disable each bridge in the list. If list is empty, do nothing.
>> *
>> - * Return 0 for success or empty bridge list; return error code otherwise.
>> + * Return: 0 for success or empty bridge list or an error code otherwise.
>> */
>> int fpga_bridges_disable(struct list_head *bridge_list)
>> {
>> @@ -230,7 +231,7 @@ EXPORT_SYMBOL_GPL(fpga_bridges_put);
>> *
>> * Get an exclusive reference to the bridge and it to the list.
>> *
>> - * Return 0 for success, error code from of_fpga_bridge_get() otherwise.
>> + * Return: 0 for success, error code from of_fpga_bridge_get() otherwise.
>> */
>> int of_fpga_bridge_get_to_list(struct device_node *np,
>> struct fpga_image_info *info,
>> @@ -260,7 +261,7 @@ EXPORT_SYMBOL_GPL(of_fpga_bridge_get_to_list);
>> *
>> * Get an exclusive reference to the bridge and it to the list.
>> *
>> - * Return 0 for success, error code from fpga_bridge_get() otherwise.
>> + * Return: 0 for success, error code from fpga_bridge_get() otherwise.
>> */
>> int fpga_bridge_get_to_list(struct device *dev,
>> struct fpga_image_info *info,
>

--
~Randy

2023-07-06 22:02:50

by Randy Dunlap

[permalink] [raw]
Subject: Re: [RFC PATCH 2/2] fpga: bridge: fix kernel-doc

HI--

On 7/6/23 07:27, Marco Pagani wrote:
> Fix the following warnings issued by the kernel-doc script:
>
> drivers/fpga/fpga-bridge.c:99: warning: No description found for return value of 'of_fpga_bridge_get'
> drivers/fpga/fpga-bridge.c:163: warning: No description found for return value of 'fpga_bridges_enable'
> drivers/fpga/fpga-bridge.c:187: warning: No description found for return value of 'fpga_bridges_disable'
> drivers/fpga/fpga-bridge.c:238: warning: No description found for return value of 'of_fpga_bridge_get_to_list'
> drivers/fpga/fpga-bridge.c:268: warning: No description found for return value of 'fpga_bridge_get_to_list'
>
> - Extend the return description of of_fpga_bridge_get() to include the
> case when try_module_get() fails.
>
> Signed-off-by: Marco Pagani <[email protected]>
> ---
> drivers/fpga/fpga-bridge.c | 23 ++++++++++++-----------
> 1 file changed, 12 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
> index a6c25dee9cc1..0b76c67c50e5 100644
> --- a/drivers/fpga/fpga-bridge.c
> +++ b/drivers/fpga/fpga-bridge.c
> @@ -87,12 +87,13 @@ static struct fpga_bridge *__fpga_bridge_get(struct device *dev,
> /**
> * of_fpga_bridge_get - get an exclusive reference to an fpga bridge
> *
> - * @np: node pointer of an FPGA bridge
> - * @info: fpga image specific information
> + * @np: node pointer of an FPGA bridge.
> + * @info: fpga image specific information.

Those are not sentences. There is no reason that a period ('.') is needed
to end those lines. OTOH, the maintainers can do as they like with it.

The rest looks good. Thanks.

Reviewed-by: Randy Dunlap <[email protected]>

> *
> - * Return fpga_bridge struct if successful.
> - * Return -EBUSY if someone already has a reference to the bridge.
> - * Return -ENODEV if @np is not an FPGA Bridge.
> + * Return:
> + * * fpga_bridge struct pointer if successful.
> + * * -EBUSY if someone already has a reference to the bridge.
> + * * -ENODEV if @np is not an FPGA Bridge or can't take parent driver refcount.
> */
> struct fpga_bridge *of_fpga_bridge_get(struct device_node *np,
> struct fpga_image_info *info)
> @@ -155,9 +156,9 @@ EXPORT_SYMBOL_GPL(fpga_bridge_put);
> * fpga_bridges_enable - enable bridges in a list
> * @bridge_list: list of FPGA bridges
> *
> - * Enable each bridge in the list. If list is empty, do nothing.
> + * Enable each bridge in the list. If list is empty, do nothing.
> *
> - * Return 0 for success or empty bridge list; return error code otherwise.
> + * Return: 0 for success or empty bridge list or an error code otherwise.
> */
> int fpga_bridges_enable(struct list_head *bridge_list)
> {
> @@ -179,9 +180,9 @@ EXPORT_SYMBOL_GPL(fpga_bridges_enable);
> *
> * @bridge_list: list of FPGA bridges
> *
> - * Disable each bridge in the list. If list is empty, do nothing.
> + * Disable each bridge in the list. If list is empty, do nothing.
> *
> - * Return 0 for success or empty bridge list; return error code otherwise.
> + * Return: 0 for success or empty bridge list or an error code otherwise.
> */
> int fpga_bridges_disable(struct list_head *bridge_list)
> {
> @@ -230,7 +231,7 @@ EXPORT_SYMBOL_GPL(fpga_bridges_put);
> *
> * Get an exclusive reference to the bridge and it to the list.
> *
> - * Return 0 for success, error code from of_fpga_bridge_get() otherwise.
> + * Return: 0 for success, error code from of_fpga_bridge_get() otherwise.
> */
> int of_fpga_bridge_get_to_list(struct device_node *np,
> struct fpga_image_info *info,
> @@ -260,7 +261,7 @@ EXPORT_SYMBOL_GPL(of_fpga_bridge_get_to_list);
> *
> * Get an exclusive reference to the bridge and it to the list.
> *
> - * Return 0 for success, error code from fpga_bridge_get() otherwise.
> + * Return: 0 for success, error code from fpga_bridge_get() otherwise.
> */
> int fpga_bridge_get_to_list(struct device *dev,
> struct fpga_image_info *info,

--
~Randy

2023-07-07 09:06:33

by Marco Pagani

[permalink] [raw]
Subject: Re: [RFC PATCH 2/2] fpga: bridge: fix kernel-doc



On 2023-07-06 23:35, Randy Dunlap wrote:
> HI--
>
> On 7/6/23 07:27, Marco Pagani wrote:
>> Fix the following warnings issued by the kernel-doc script:
>>
>> drivers/fpga/fpga-bridge.c:99: warning: No description found for return value of 'of_fpga_bridge_get'
>> drivers/fpga/fpga-bridge.c:163: warning: No description found for return value of 'fpga_bridges_enable'
>> drivers/fpga/fpga-bridge.c:187: warning: No description found for return value of 'fpga_bridges_disable'
>> drivers/fpga/fpga-bridge.c:238: warning: No description found for return value of 'of_fpga_bridge_get_to_list'
>> drivers/fpga/fpga-bridge.c:268: warning: No description found for return value of 'fpga_bridge_get_to_list'
>>
>> - Extend the return description of of_fpga_bridge_get() to include the
>> case when try_module_get() fails.
>>
>> Signed-off-by: Marco Pagani <[email protected]>
>> ---
>> drivers/fpga/fpga-bridge.c | 23 ++++++++++++-----------
>> 1 file changed, 12 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
>> index a6c25dee9cc1..0b76c67c50e5 100644
>> --- a/drivers/fpga/fpga-bridge.c
>> +++ b/drivers/fpga/fpga-bridge.c
>> @@ -87,12 +87,13 @@ static struct fpga_bridge *__fpga_bridge_get(struct device *dev,
>> /**
>> * of_fpga_bridge_get - get an exclusive reference to an fpga bridge
>> *
>> - * @np: node pointer of an FPGA bridge
>> - * @info: fpga image specific information
>> + * @np: node pointer of an FPGA bridge.
>> + * @info: fpga image specific information.
>
> Those are not sentences. There is no reason that a period ('.') is needed
> to end those lines. OTOH, the maintainers can do as they like with it.
>
> The rest looks good. Thanks.
>
> Reviewed-by: Randy Dunlap <[email protected]>

I added a period at the end of each argument description to follow
the style recommended in the "Function documentation" section of the
kernel-doc documentation.

Thanks,
Marco

[...]


2023-07-10 08:35:00

by Xu Yilun

[permalink] [raw]
Subject: Re: [RFC PATCH 2/2] fpga: bridge: fix kernel-doc

On 2023-07-07 at 10:50:16 +0200, Marco Pagani wrote:
>
>
> On 2023-07-06 23:35, Randy Dunlap wrote:
> > HI--
> >
> > On 7/6/23 07:27, Marco Pagani wrote:
> >> Fix the following warnings issued by the kernel-doc script:
> >>
> >> drivers/fpga/fpga-bridge.c:99: warning: No description found for return value of 'of_fpga_bridge_get'
> >> drivers/fpga/fpga-bridge.c:163: warning: No description found for return value of 'fpga_bridges_enable'
> >> drivers/fpga/fpga-bridge.c:187: warning: No description found for return value of 'fpga_bridges_disable'
> >> drivers/fpga/fpga-bridge.c:238: warning: No description found for return value of 'of_fpga_bridge_get_to_list'
> >> drivers/fpga/fpga-bridge.c:268: warning: No description found for return value of 'fpga_bridge_get_to_list'
> >>
> >> - Extend the return description of of_fpga_bridge_get() to include the
> >> case when try_module_get() fails.
> >>
> >> Signed-off-by: Marco Pagani <[email protected]>
> >> ---
> >> drivers/fpga/fpga-bridge.c | 23 ++++++++++++-----------
> >> 1 file changed, 12 insertions(+), 11 deletions(-)
> >>
> >> diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
> >> index a6c25dee9cc1..0b76c67c50e5 100644
> >> --- a/drivers/fpga/fpga-bridge.c
> >> +++ b/drivers/fpga/fpga-bridge.c
> >> @@ -87,12 +87,13 @@ static struct fpga_bridge *__fpga_bridge_get(struct device *dev,
> >> /**
> >> * of_fpga_bridge_get - get an exclusive reference to an fpga bridge
> >> *
> >> - * @np: node pointer of an FPGA bridge
> >> - * @info: fpga image specific information
> >> + * @np: node pointer of an FPGA bridge.
> >> + * @info: fpga image specific information.
> >
> > Those are not sentences. There is no reason that a period ('.') is needed
> > to end those lines. OTOH, the maintainers can do as they like with it.
> >
> > The rest looks good. Thanks.
> >
> > Reviewed-by: Randy Dunlap <[email protected]>
>
> I added a period at the end of each argument description to follow
> the style recommended in the "Function documentation" section of the
> kernel-doc documentation.

I'm OK with them.

Acked-by: Xu Yilun <[email protected]>

Applied.

>
> Thanks,
> Marco
>
> [...]
>