diff options
Diffstat (limited to 'include/linux/device/devres.h')
| -rw-r--r-- | include/linux/device/devres.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 8c5f57e0d613..14ab9159bdda 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -9,6 +9,7 @@ #include <linux/stdarg.h> #include <linux/types.h> #include <asm/bug.h> +#include <asm/percpu.h> struct device; struct device_node; @@ -25,10 +26,6 @@ __devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, int nid, const #define devres_alloc_node(release, size, gfp, nid) \ __devres_alloc_node(release, size, gfp, nid, #release) -void devres_for_each_res(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data, - void (*fn)(struct device *, void *, void *), - void *data); void devres_free(void *res); void devres_add(struct device *dev, void *res); void *devres_find(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); @@ -96,6 +93,22 @@ devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, va_list ap); char * __printf(3, 4) __malloc devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); +/** + * devm_alloc_percpu - Resource-managed alloc_percpu + * @dev: Device to allocate per-cpu memory for + * @type: Type to allocate per-cpu memory for + * + * Managed alloc_percpu. Per-cpu memory allocated with this function is + * automatically freed on driver detach. + * + * RETURNS: + * Pointer to allocated memory on success, NULL on failure. + */ +#define devm_alloc_percpu(dev, type) \ + ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), __alignof__(type))) + +void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align); + unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order); void devm_free_pages(struct device *dev, unsigned long addr); |