[PATCH 1/1] mtd: cfi_flash: use __raw_writeq(), __raw_readq()

[Heinrich Schuchardt]

On 6/6/20 11:13 PM, Heinrich Schuchardt wrote:
> Functions __raw_writeq(), __raw_readq() are available for all
> architectures. So let's use them.

The major architectures have these but not m68k, microblaze, nd32,
nios2, powerpc, sh, xtenza.

>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
>  drivers/mtd/cfi_flash.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
> index b7289ba539..e31e07ca80 100644
> --- a/drivers/mtd/cfi_flash.c
> +++ b/drivers/mtd/cfi_flash.c
> @@ -155,8 +155,7 @@ __maybe_weak void flash_write32(u32 value, void *addr)
>
>  __maybe_weak void flash_write64(u64 value, void *addr)
>  {
> -	/* No architectures currently implement __raw_writeq() */
> -	*(volatile u64 *)addr = value;
> +	__raw_writeq(value, addr);
>  }
>
>  __maybe_weak u8 flash_read8(void *addr)
> @@ -176,8 +175,7 @@ __maybe_weak u32 flash_read32(void *addr)
>
>  __maybe_weak u64 flash_read64(void *addr)
>  {
> -	/* No architectures currently implement __raw_readq() */
> -	return *(volatile u64 *)addr;
> +	return __raw_readq(addr);
>  }
>
>  /*-----------------------------------------------------------------------
> --
> 2.26.2
>