diff options
Diffstat (limited to 'include/dm')
-rw-r--r-- | include/dm/device-internal.h | 13 | ||||
-rw-r--r-- | include/dm/device.h | 82 |
2 files changed, 95 insertions, 0 deletions
diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h index a2bf0579ff..2cd2fe91d8 100644 --- a/include/dm/device-internal.h +++ b/include/dm/device-internal.h @@ -156,6 +156,8 @@ fdt_addr_t simple_bus_translate(struct udevice *dev, fdt_addr_t addr); #define DM_UCLASS_ROOT_NON_CONST (((gd_t *)gd)->uclass_root) /* device resource management */ +#ifdef CONFIG_DEVRES + /** * devres_release_probe - Release managed resources allocated after probing * @dev: Device to release resources for @@ -174,4 +176,15 @@ void devres_release_probe(struct udevice *dev); */ void devres_release_all(struct udevice *dev); +#else /* ! CONFIG_DEVRES */ + +static inline void devres_release_probe(struct udevice *dev) +{ +} + +static inline void devres_release_all(struct udevice *dev) +{ +} + +#endif /* ! CONFIG_DEVRES */ #endif diff --git a/include/dm/device.h b/include/dm/device.h index c474f2dabb..53773a8f9d 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -98,7 +98,9 @@ struct udevice { uint32_t flags; int req_seq; int seq; +#ifdef CONFIG_DEVRES struct list_head devres_head; +#endif }; /* Maximum sequence number supported */ @@ -472,6 +474,8 @@ bool device_is_last_sibling(struct udevice *dev); 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); @@ -648,5 +652,83 @@ static inline void *devm_kcalloc(struct udevice *dev, */ void devm_kfree(struct udevice *dev, void *p); +#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_kmaloc_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 *p) +{ + kfree(p); +} + +#endif /* ! CONFIG_DEVRES */ #endif |