dm: devres: Create a new devres header file
At present these functions are lumped in with the core device functions.
They have their own #ifdef to control their availability, so it seems
better to split them out.
Move them into their own header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm/device.h b/include/dm/device.h
index 9ebfd0a..1138a09 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -720,260 +720,7 @@
*/
int dm_scan_fdt_dev(struct udevice *dev);
-/* device resource management */
-typedef void (*dr_release_t)(struct udevice *dev, void *res);
-typedef int (*dr_match_t)(struct udevice *dev, void *res, void *match_data);
-
-#ifdef CONFIG_DEVRES
-
-#ifdef CONFIG_DEBUG_DEVRES
-void *__devres_alloc(dr_release_t release, size_t size, gfp_t gfp,
- const char *name);
-#define _devres_alloc(release, size, gfp) \
- __devres_alloc(release, size, gfp, #release)
-#else
-void *_devres_alloc(dr_release_t release, size_t size, gfp_t gfp);
-#endif
-
-/**
- * devres_alloc() - Allocate device resource data
- * @release: Release function devres will be associated with
- * @size: Allocation size
- * @gfp: Allocation flags
- *
- * Allocate devres of @size bytes. The allocated area is associated
- * with @release. The returned pointer can be passed to
- * other devres_*() functions.
- *
- * RETURNS:
- * Pointer to allocated devres on success, NULL on failure.
- */
-#define devres_alloc(release, size, gfp) \
- _devres_alloc(release, size, gfp | __GFP_ZERO)
-
-/**
- * devres_free() - Free device resource data
- * @res: Pointer to devres data to free
- *
- * Free devres created with devres_alloc().
- */
-void devres_free(void *res);
-
-/**
- * devres_add() - Register device resource
- * @dev: Device to add resource to
- * @res: Resource to register
- *
- * Register devres @res to @dev. @res should have been allocated
- * using devres_alloc(). On driver detach, the associated release
- * function will be invoked and devres will be freed automatically.
- */
-void devres_add(struct udevice *dev, void *res);
-
-/**
- * devres_find() - Find device resource
- * @dev: Device to lookup resource from
- * @release: Look for resources associated with this release function
- * @match: Match function (optional)
- * @match_data: Data for the match function
- *
- * Find the latest devres of @dev which is associated with @release
- * and for which @match returns 1. If @match is NULL, it's considered
- * to match all.
- *
- * @return pointer to found devres, NULL if not found.
- */
-void *devres_find(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-
-/**
- * devres_get() - Find devres, if non-existent, add one atomically
- * @dev: Device to lookup or add devres for
- * @new_res: Pointer to new initialized devres to add if not found
- * @match: Match function (optional)
- * @match_data: Data for the match function
- *
- * Find the latest devres of @dev which has the same release function
- * as @new_res and for which @match return 1. If found, @new_res is
- * freed; otherwise, @new_res is added atomically.
- *
- * @return ointer to found or added devres.
- */
-void *devres_get(struct udevice *dev, void *new_res,
- dr_match_t match, void *match_data);
-
-/**
- * devres_remove() - Find a device resource and remove it
- * @dev: Device to find resource from
- * @release: Look for resources associated with this release function
- * @match: Match function (optional)
- * @match_data: Data for the match function
- *
- * Find the latest devres of @dev associated with @release and for
- * which @match returns 1. If @match is NULL, it's considered to
- * match all. If found, the resource is removed atomically and
- * returned.
- *
- * @return ointer to removed devres on success, NULL if not found.
- */
-void *devres_remove(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-
-/**
- * devres_destroy() - Find a device resource and destroy it
- * @dev: Device to find resource from
- * @release: Look for resources associated with this release function
- * @match: Match function (optional)
- * @match_data: Data for the match function
- *
- * Find the latest devres of @dev associated with @release and for
- * which @match returns 1. If @match is NULL, it's considered to
- * match all. If found, the resource is removed atomically and freed.
- *
- * Note that the release function for the resource will not be called,
- * only the devres-allocated data will be freed. The caller becomes
- * responsible for freeing any other data.
- *
- * @return 0 if devres is found and freed, -ENOENT if not found.
- */
-int devres_destroy(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-
-/**
- * devres_release() - Find a device resource and destroy it, calling release
- * @dev: Device to find resource from
- * @release: Look for resources associated with this release function
- * @match: Match function (optional)
- * @match_data: Data for the match function
- *
- * Find the latest devres of @dev associated with @release and for
- * which @match returns 1. If @match is NULL, it's considered to
- * match all. If found, the resource is removed atomically, the
- * release function called and the resource freed.
- *
- * @return 0 if devres is found and freed, -ENOENT if not found.
- */
-int devres_release(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-
-/* managed devm_k.alloc/kfree for device drivers */
-/**
- * devm_kmalloc() - Resource-managed kmalloc
- * @dev: Device to allocate memory for
- * @size: Allocation size
- * @gfp: Allocation gfp flags
- *
- * Managed kmalloc. Memory allocated with this function is
- * automatically freed on driver detach. Like all other devres
- * resources, guaranteed alignment is unsigned long long.
- *
- * @return pointer to allocated memory on success, NULL on failure.
- */
-void *devm_kmalloc(struct udevice *dev, size_t size, gfp_t gfp);
-static inline void *devm_kzalloc(struct udevice *dev, size_t size, gfp_t gfp)
-{
- return devm_kmalloc(dev, size, gfp | __GFP_ZERO);
-}
-static inline void *devm_kmalloc_array(struct udevice *dev,
- size_t n, size_t size, gfp_t flags)
-{
- if (size != 0 && n > SIZE_MAX / size)
- return NULL;
- return devm_kmalloc(dev, n * size, flags);
-}
-static inline void *devm_kcalloc(struct udevice *dev,
- size_t n, size_t size, gfp_t flags)
-{
- return devm_kmalloc_array(dev, n, size, flags | __GFP_ZERO);
-}
-
-/**
- * devm_kfree() - Resource-managed kfree
- * @dev: Device this memory belongs to
- * @ptr: Memory to free
- *
- * Free memory allocated with devm_kmalloc().
- */
-void devm_kfree(struct udevice *dev, void *ptr);
-
-#else /* ! CONFIG_DEVRES */
-
-static inline void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp)
-{
- return kzalloc(size, gfp);
-}
-
-static inline void devres_free(void *res)
-{
- kfree(res);
-}
-
-static inline void devres_add(struct udevice *dev, void *res)
-{
-}
-
-static inline void *devres_find(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data)
-{
- return NULL;
-}
-
-static inline void *devres_get(struct udevice *dev, void *new_res,
- dr_match_t match, void *match_data)
-{
- return NULL;
-}
-
-static inline void *devres_remove(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data)
-{
- return NULL;
-}
-
-static inline int devres_destroy(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data)
-{
- return 0;
-}
-
-static inline int devres_release(struct udevice *dev, dr_release_t release,
- dr_match_t match, void *match_data)
-{
- return 0;
-}
-
-static inline void *devm_kmalloc(struct udevice *dev, size_t size, gfp_t gfp)
-{
- return kmalloc(size, gfp);
-}
-
-static inline void *devm_kzalloc(struct udevice *dev, size_t size, gfp_t gfp)
-{
- return kzalloc(size, gfp);
-}
-
-static inline void *devm_kmalloc_array(struct udevice *dev,
- size_t n, size_t size, gfp_t flags)
-{
- /* TODO: add kmalloc_array() to linux/compat.h */
- if (size != 0 && n > SIZE_MAX / size)
- return NULL;
- return kmalloc(n * size, flags);
-}
-
-static inline void *devm_kcalloc(struct udevice *dev,
- size_t n, size_t size, gfp_t flags)
-{
- /* TODO: add kcalloc() to linux/compat.h */
- return kmalloc(n * size, flags | __GFP_ZERO);
-}
-
-static inline void devm_kfree(struct udevice *dev, void *ptr)
-{
- kfree(ptr);
-}
-
-#endif /* ! CONFIG_DEVRES */
+#include <dm/devres.h>
/*
* REVISIT: