resource/docs: Complete kernel-doc style function documentation

commit f26621e60b35369bca9228bc936dc723b3e421af upstream.

Add the missing kernel-doc style function parameters documentation.
Signed-off-by: NBorislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: akpm@linux-foundation.org
Cc: linux-tip-commits@vger.kernel.org
Cc: rdunlap@infradead.org
Fixes: b69c2e20f6e4 ("resource: Clean it up a bit")
Link: http://lkml.kernel.org/r/20181105093307.GA12445@zn.tnicSigned-off-by: NIngo Molnar <mingo@kernel.org>
[joseph: fix find_next_iomem_res() documentation]
Signed-off-by: NJoseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: NCaspar Zhang <caspar@linux.alibaba.com>

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
+ * 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
  * -ENODEV.  Returns -EINVAL for 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,
@@ -390,9 +397,7 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end,
 }
 
 /**
- * walk_iomem_res_desc - walk through iomem resources
- *
- * Walks through iomem resources and calls @func() with matching resource
+ * Walks through iomem resources and calls func() with matching resource
  * ranges. This walks through whole tree and not just first level children.
  * All the memory ranges which overlap start,end and also match flags and
  * desc are valid candidates.