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

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>

diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index 3540773..fc39bb2 100644 (file)
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -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()