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riscv: add #define in asm/io.h for some device drivers

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This patch adds memcpy_fromio and memcpy_toio definitions for some device
drivers which have these definitions, like cadence_qspi_apb.c

Signed-off-by: Wei Fu <wefu@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Wei Fu 2021-10-24 00:31:12 +08:00 committed by Leo Yu-Chi Liang
parent 89a86dcf61
commit 41635cca6e
1 changed files with 4 additions and 0 deletions
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4
arch/riscv/include/asm/io.h
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@ -64,6 +64,10 @@ static inline phys_addr_t map_to_sysmem(const void *ptr)
#define __raw_readl(a) __arch_getl(a)
#define __raw_readq(a) __arch_getq(a)
/* adding for cadence_qspi_apb.c */
#define memcpy_fromio(a, c, l) memcpy((a), (c), (l))
#define memcpy_toio(c, a, l) memcpy((c), (a), (l))
#define dmb() mb()
#define __iormb() rmb()
#define __iowmb() wmb()