The first group of warnings is caused by a "/**" kernel-doc notation marker but the function comments are not in kernel-doc format. Also add another error return value here. ../kernel/resource.c:337: warning: Function parameter or member 'start' not described in 'find_next_iomem_res' ../kernel/resource.c:337: warning: Function parameter or member 'end' not described in 'find_next_iomem_res' ../kernel/resource.c:337: warning: Function parameter or member 'flags' not described in 'find_next_iomem_res' ../kernel/resource.c:337: warning: Function parameter or member 'desc' not described in 'find_next_iomem_res' ../kernel/resource.c:337: warning: Function parameter or member 'first_lvl' not described in 'find_next_iomem_res' ../kernel/resource.c:337: warning: Function parameter or member 'res' not described in 'find_next_iomem_res' Add the missing function parameter documentation for the other warnings: ../kernel/resource.c:409: warning: Function parameter or member 'arg' not described in 'walk_iomem_res_desc' ../kernel/resource.c:409: warning: Function parameter or member 'func' not described in 'walk_iomem_res_desc'
Unified · Split
| @@ -318,14 +318,14 @@ int release_resource(struct resource *old) · 317 unmodified lines | ||
| 318 | 318 | |
| 319 | 319 | EXPORT_SYMBOL(release_resource); |
| 320 | 320 | |
| 321 | −/** | |
| 321 | +/* | |
| 322 | 322 | * Finds the lowest iomem resource that covers part of [start..end]. The |
| 323 | 323 | * caller must specify start, end, flags, and desc (which may be |
| 324 | 324 | * IORES_DESC_NONE). |
| 325 | 325 | * |
| 326 | 326 | * If a resource is found, returns 0 and *res is overwritten with the part |
| 327 | 327 | * of the resource that's within [start..end]; if none is found, returns |
| 328 | − * -1. | |
| 328 | + * -1. Returns -EINVAL for other invalid parameters. | |
| 329 | 329 | * |
| 330 | 330 | * This function walks the whole tree and not just first level children |
| 331 | 331 | * unless @first_lvl is true. |
| @@ -390,7 +390,9 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end, · 58 unmodified lines | ||
| 390 | 390 | } |
| 391 | 391 | |
| 392 | 392 | /** |
| 393 | − * Walks through iomem resources and calls func() with matching resource | |
| 393 | + * walk_iomem_res_desc - walk through iomem resources | |
| 394 | + * | |
| 395 | + * Walks through iomem resources and calls @func() with matching resource | |
| 394 | 396 | * ranges. This walks through whole tree and not just first level children. |
| 395 | 397 | * All the memory ranges which overlap start,end and also match flags and |
| 396 | 398 | * desc are valid candidates. |
| @@ -399,6 +401,8 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end, · 2 unmodified lines | ||
| 399 | 401 | * @flags: I/O resource flags |
| 400 | 402 | * @start: start addr |
| 401 | 403 | * @end: end addr |
| 404 | + * @arg: function argument for the callback @func | |
| 405 | + * @func: callback function that is called for each qualifying resource area | |
| 402 | 406 | * |
| 403 | 407 | * NOTE: For a new descriptor search, define a new IORES_DESC in |
| 404 | 408 | * <linux/ioport.h> and set it in 'desc' of a target resource entry. |