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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Basic general purpose allocator for managing special purpose
* memory, for example, memory that is not managed by the regular
* kmalloc/kfree interface. Uses for this includes on-device special
* memory, uncached memory etc.
*/
#ifndef __GENALLOC_H__
#define __GENALLOC_H__
#include <linux/types.h>
struct device_node;
struct gen_pool;
extern phys_addr_t gen_pool_virt_to_phys(struct gen_pool *pool, unsigned long);
extern void *gen_pool_dma_alloc(struct gen_pool *pool, size_t size,
dma_addr_t *dma);
extern void *gen_pool_dma_zalloc(struct gen_pool *pool, size_t size, dma_addr_t *dma);
#ifdef CONFIG_OFDEVICE
extern struct gen_pool *of_gen_pool_get(struct device_node *np,
const char *propname, int index);
#else
static inline struct gen_pool *of_gen_pool_get(struct device_node *np,
const char *propname, int index)
{
return NULL;
}
#endif
#endif /* __GENALLOC_H__ */
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