[PATCH] riscv: add #define in asm/io.h for some device drivers
From: TekkamanV tekkamanv@starfivetech.com
This patch add memcpy_fromio and memcpy_toio definitions for some device drivers which has these definitions, like cadence_qspi_apb.c
Signed-off-by: TekkamanV tekkamanv@starfivetech.com --- arch/riscv/include/asm/io.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h index acf5a96449..b693fd8cd6 100644 --- 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 some drivers, like 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()
Hi Wei,
On Thu, Sep 30, 2021 at 7:52 PM tekkamanv@163.com wrote:
From: TekkamanV tekkamanv@starfivetech.com
This patch add memcpy_fromio and memcpy_toio definitions for some device
%s/add/adds
drivers which has these definitions, like cadence_qspi_apb.c
%s/has/have
Signed-off-by: TekkamanV tekkamanv@starfivetech.com
Please use real name for the contribution, i.e.: following kernel submitting-patches.rst
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docu...
arch/riscv/include/asm/io.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h index acf5a96449..b693fd8cd6 100644 --- 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 some drivers, like 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()
Otherwise, LGTM: Reviewed-by: Bin Meng bmeng.cn@gmail.com
Regards, Bin
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