Re: [tip:core/urgent] resource/docs: Fix new kernel-doc warnings

From: Borislav Petkov
Date: Mon Nov 05 2018 - 04:33:19 EST


On Sun, Nov 04, 2018 at 10:09:50PM -0800, tip-bot for Randy Dunlap wrote:
> Commit-ID: f75d651587f719a813ebbbfeee570e6570731d55
> Gitweb: https://git.kernel.org/tip/f75d651587f719a813ebbbfeee570e6570731d55
> Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> AuthorDate: Sun, 4 Nov 2018 18:40:14 -0800
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> CommitDate: Mon, 5 Nov 2018 07:05:04 +0100
>
> resource/docs: Fix new kernel-doc warnings
>
> The first group of warnings is caused by a "/**" kernel-doc notation
> marker but the function comments are not in kernel-doc format.

Well, I'd prefer if we added those required parameters rather than not and
"degrading" that function documentation back.

---
From: Borislav Petkov <bp@xxxxxxx>
Date: Mon, 5 Nov 2018 10:26:02 +0100
Subject: [PATCH] resource: Complete kernel-doc style function documentation

Add the missing kernel-doc style function parameters documentation.

Based on a patch by Randy Dunlap <rdunlap@xxxxxxxxxxxxx>.

Fixes: b69c2e20f6e4 ("resource: Clean it up a bit")
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
kernel/resource.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/kernel/resource.c b/kernel/resource.c
index b3a3a1fc499e..b0fbf685c77a 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -319,16 +319,23 @@ int release_resource(struct resource *old)
EXPORT_SYMBOL(release_resource);

/**
- * Finds the lowest iomem resource that covers part of [start..end]. The
- * caller must specify start, end, flags, and desc (which may be
+ * Finds the lowest iomem resource that covers part of [@start..@end]. The
+ * caller must specify @start, @end, @flags, and @desc (which may be
* IORES_DESC_NONE).
*
- * If a resource is found, returns 0 and *res is overwritten with the part
- * of the resource that's within [start..end]; if none is found, returns
- * -1.
+ * If a resource is found, returns 0 and @*res is overwritten with the part
+ * of the resource that's within [@start..@end]; if none is found, returns
+ * -1 or -EINVAL for other invalid parameters.
*
* This function walks the whole tree and not just first level children
* unless @first_lvl is true.
+ *
+ * @start: start address of the resource searched for
+ * @end: end address of same resource
+ * @flags: flags which the resource must have
+ * @desc: descriptor the resource must have
+ * @first_lvl: walk only the first level children, if set
+ * @res: return ptr, if resource found
*/
static int find_next_iomem_res(resource_size_t start, resource_size_t end,
unsigned long flags, unsigned long desc,
@@ -399,6 +406,8 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end,
* @flags: I/O resource flags
* @start: start addr
* @end: end addr
+ * @arg: function argument for the callback @func
+ * @func: callback function that is called for each qualifying resource area
*
* NOTE: For a new descriptor search, define a new IORES_DESC in
* <linux/ioport.h> and set it in 'desc' of a target resource entry.
--
2.19.1

--
Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)