2024-05-08 15:03:51

by Andy Shevchenko

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Subject: [PATCH v1 1/1] usb: fotg210: Add missing kernel doc description

kernel-doc validator is not happy:

warning: Function parameter or struct member 'fotg' not described in 'fotg210_vbus'

Add missing description.

Fixes: 3e679bde529e ("usb: fotg210-udc: Implement VBUS session")
Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/usb/fotg210/fotg210-core.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/fotg210/fotg210-core.c b/drivers/usb/fotg210/fotg210-core.c
index 958fc40eae86..00483da40f04 100644
--- a/drivers/usb/fotg210/fotg210-core.c
+++ b/drivers/usb/fotg210/fotg210-core.c
@@ -95,6 +95,7 @@ static int fotg210_gemini_init(struct fotg210 *fotg, struct resource *res,

/**
* fotg210_vbus() - Called by gadget driver to enable/disable VBUS
+ * @fotg210: pointer to a private fotg210 object
* @enable: true to enable VBUS, false to disable VBUS
*/
void fotg210_vbus(struct fotg210 *fotg, bool enable)
--
2.43.0.rc1.1336.g36b5255a03ac



2024-05-09 14:59:28

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH v1 1/1] usb: fotg210: Add missing kernel doc description

Hi Andy,

kernel test robot noticed the following build warnings:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on usb/usb-next usb/usb-linus westeri-thunderbolt/next linus/master v6.9-rc7 next-20240509]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/usb-fotg210-Add-missing-kernel-doc-description/20240508-230440
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link: https://lore.kernel.org/r/20240508150335.1378629-1-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 1/1] usb: fotg210: Add missing kernel doc description
config: arc-randconfig-001-20240509 (https://download.01.org/0day-ci/archive/20240509/[email protected]/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240509/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

drivers/usb/fotg210/fotg210-core.c:102: warning: Function parameter or struct member 'fotg' not described in 'fotg210_vbus'
>> drivers/usb/fotg210/fotg210-core.c:102: warning: Excess function parameter 'fotg210' description in 'fotg210_vbus'


vim +102 drivers/usb/fotg210/fotg210-core.c

00fb05ff87bc63 Linus Walleij 2022-11-09 95
3e679bde529e89 Linus Walleij 2023-01-18 96 /**
3e679bde529e89 Linus Walleij 2023-01-18 97 * fotg210_vbus() - Called by gadget driver to enable/disable VBUS
16544cb7676b90 Andy Shevchenko 2024-05-08 98 * @fotg210: pointer to a private fotg210 object
3e679bde529e89 Linus Walleij 2023-01-18 99 * @enable: true to enable VBUS, false to disable VBUS
3e679bde529e89 Linus Walleij 2023-01-18 100 */
3e679bde529e89 Linus Walleij 2023-01-18 101 void fotg210_vbus(struct fotg210 *fotg, bool enable)
3e679bde529e89 Linus Walleij 2023-01-18 @102 {
3e679bde529e89 Linus Walleij 2023-01-18 103 u32 mask;
3e679bde529e89 Linus Walleij 2023-01-18 104 u32 val;
3e679bde529e89 Linus Walleij 2023-01-18 105 int ret;
3e679bde529e89 Linus Walleij 2023-01-18 106
3e679bde529e89 Linus Walleij 2023-01-18 107 switch (fotg->port) {
3e679bde529e89 Linus Walleij 2023-01-18 108 case GEMINI_PORT_0:
3e679bde529e89 Linus Walleij 2023-01-18 109 mask = GEMINI_MISC_USB0_VBUS_ON;
3e679bde529e89 Linus Walleij 2023-01-18 110 val = enable ? GEMINI_MISC_USB0_VBUS_ON : 0;
3e679bde529e89 Linus Walleij 2023-01-18 111 break;
3e679bde529e89 Linus Walleij 2023-01-18 112 case GEMINI_PORT_1:
3e679bde529e89 Linus Walleij 2023-01-18 113 mask = GEMINI_MISC_USB1_VBUS_ON;
3e679bde529e89 Linus Walleij 2023-01-18 114 val = enable ? GEMINI_MISC_USB1_VBUS_ON : 0;
3e679bde529e89 Linus Walleij 2023-01-18 115 break;
3e679bde529e89 Linus Walleij 2023-01-18 116 default:
3e679bde529e89 Linus Walleij 2023-01-18 117 return;
3e679bde529e89 Linus Walleij 2023-01-18 118 }
3e679bde529e89 Linus Walleij 2023-01-18 119 ret = regmap_update_bits(fotg->map, GEMINI_GLOBAL_MISC_CTRL, mask, val);
3e679bde529e89 Linus Walleij 2023-01-18 120 if (ret)
3e679bde529e89 Linus Walleij 2023-01-18 121 dev_err(fotg->dev, "failed to %s VBUS\n",
3e679bde529e89 Linus Walleij 2023-01-18 122 enable ? "enable" : "disable");
3e679bde529e89 Linus Walleij 2023-01-18 123 dev_info(fotg->dev, "%s: %s VBUS\n", __func__, enable ? "enable" : "disable");
3e679bde529e89 Linus Walleij 2023-01-18 124 }
3e679bde529e89 Linus Walleij 2023-01-18 125

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

2024-05-10 09:34:19

by Greg Kroah-Hartman

[permalink] [raw]
Subject: Re: [PATCH v1 1/1] usb: fotg210: Add missing kernel doc description

On Wed, May 08, 2024 at 06:03:35PM +0300, Andy Shevchenko wrote:
> kernel-doc validator is not happy:
>
> warning: Function parameter or struct member 'fotg' not described in 'fotg210_vbus'
>
> Add missing description.
>
> Fixes: 3e679bde529e ("usb: fotg210-udc: Implement VBUS session")
> Signed-off-by: Andy Shevchenko <[email protected]>
> ---
> drivers/usb/fotg210/fotg210-core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/fotg210/fotg210-core.c b/drivers/usb/fotg210/fotg210-core.c
> index 958fc40eae86..00483da40f04 100644
> --- a/drivers/usb/fotg210/fotg210-core.c
> +++ b/drivers/usb/fotg210/fotg210-core.c
> @@ -95,6 +95,7 @@ static int fotg210_gemini_init(struct fotg210 *fotg, struct resource *res,
>
> /**
> * fotg210_vbus() - Called by gadget driver to enable/disable VBUS
> + * @fotg210: pointer to a private fotg210 object
> * @enable: true to enable VBUS, false to disable VBUS
> */
> void fotg210_vbus(struct fotg210 *fotg, bool enable)

I don't think you actually built the documentation after this patch :(

2024-05-10 14:23:54

by Andy Shevchenko

[permalink] [raw]
Subject: Re: [PATCH v1 1/1] usb: fotg210: Add missing kernel doc description

On Fri, May 10, 2024 at 10:34:05AM +0100, Greg Kroah-Hartman wrote:
> On Wed, May 08, 2024 at 06:03:35PM +0300, Andy Shevchenko wrote:
> > kernel-doc validator is not happy:
> >
> > warning: Function parameter or struct member 'fotg' not described in 'fotg210_vbus'
> >
> > Add missing description.

..

> > /**
> > * fotg210_vbus() - Called by gadget driver to enable/disable VBUS
> > + * @fotg210: pointer to a private fotg210 object
> > * @enable: true to enable VBUS, false to disable VBUS
> > */
> > void fotg210_vbus(struct fotg210 *fotg, bool enable)
>
> I don't think you actually built the documentation after this patch :(

Yeah, it slips over my fingers, sorry. I will try again.

--
With Best Regards,
Andy Shevchenko