[U-Boot] [PATCH v4 7/8] mips: support optimize tuning for same common processor cores

[Marek Vasut <marex@denx.de>]

On Friday, December 25, 2015 at 07:56:27 PM, Wills Wang wrote:

Missing commit message. There is exactly zero explanation why this patch
is necessary/beneficial/whatever . I just do not understand why we should
pick this patch.

> Signed-off-by: Wills Wang <wills.wang@live.com>
> ---
> 
> Changes in v4: None
> Changes in v3: None
> Changes in v2: None
> 
>  arch/mips/Makefile | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/mips/Makefile b/arch/mips/Makefile
> index da5fa72..0be5e64 100644
> --- a/arch/mips/Makefile
> +++ b/arch/mips/Makefile
> @@ -2,6 +2,13 @@
>  # SPDX-License-Identifier:	GPL-2.0+
>  #
> 
> +tune-$(CONFIG_OPTIMIZE_CPU_MIPS_4KC)	=-mtune=4kc
> +tune-$(CONFIG_OPTIMIZE_CPU_MIPS_24KC)	=-mtune=24kc
> +
> +tune-y := $(tune-y)
> +
> +PLATFORM_CPPFLAGS += $(tune-y)
> +
>  head-y := arch/mips/cpu/start.o
> 
>  libs-y += arch/mips/cpu/

Best regards,
Marek Vasut