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39 lines
670 B
39 lines
670 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_SRAM_H |
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#define __ASM_SRAM_H |
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#ifdef CONFIG_HAVE_SRAM_POOL |
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#include <linux/spinlock.h> |
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#include <linux/genalloc.h> |
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/* arch/sh/mm/sram.c */ |
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extern struct gen_pool *sram_pool; |
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static inline unsigned long sram_alloc(size_t len) |
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{ |
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if (!sram_pool) |
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return 0UL; |
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return gen_pool_alloc(sram_pool, len); |
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} |
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static inline void sram_free(unsigned long addr, size_t len) |
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{ |
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return gen_pool_free(sram_pool, addr, len); |
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} |
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#else |
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static inline unsigned long sram_alloc(size_t len) |
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{ |
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return 0; |
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} |
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static inline void sram_free(unsigned long addr, size_t len) |
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{ |
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} |
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#endif /* CONFIG_HAVE_SRAM_POOL */ |
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#endif /* __ASM_SRAM_H */
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