[U-Boot] [PATCH 06/10] sunxi: Group cpu core related controls together

Marc Zyngier marc.zyngier at arm.com
Tue May 24 10:15:09 CEST 2016


On 23/05/16 13:41, Chen-Yu Tsai wrote:
> Instead of listing individual registers for controls to each processor
> core, list them as an array of registers. This makes accessing controls
> by core index easier.
> 
> Also rename "cpucfg_sun6i.h" (which was unused anyway) to the more generic
> "cpucfg.h".
> 
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
>  .../asm/arch-sunxi/{cpucfg_sun6i.h => cpucfg.h}    | 31 +++++++++-------------
>  arch/arm/include/asm/arch-sunxi/prcm.h             |  6 ++---
>  2 files changed, 14 insertions(+), 23 deletions(-)
>  rename arch/arm/include/asm/arch-sunxi/{cpucfg_sun6i.h => cpucfg.h} (69%)
> 
> diff --git a/arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h b/arch/arm/include/asm/arch-sunxi/cpucfg.h
> similarity index 69%
> rename from arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h
> rename to arch/arm/include/asm/arch-sunxi/cpucfg.h
> index e2a29cb1818e..b9084b3968cd 100644
> --- a/arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h
> +++ b/arch/arm/include/asm/arch-sunxi/cpucfg.h
> @@ -11,33 +11,26 @@
>  
>  #ifndef __ASSEMBLY__
>  
> +struct sunxi_cpucfg_cpu {
> +	u32 rst;		/* base + 0x0 */
> +	u32 ctrl;		/* base + 0x4 */
> +	u32 status;		/* base + 0x8 */
> +	u8 res[0x34];		/* base + 0xc */
> +};

Please use the "packed" attribute. Even if you declared your structure
in a way that makes sure no padding will be introduced, this also serves
as a reminder that this is not your usual memory.

Same goes for the other structures in the file.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...


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