linux-kernel - Re: [PATCH 02/12] ARM: ep93xx: use ARM_PATCH_PHYS

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Date:   Thu, 20 Jul 2017 18:07:53 +0200
From:   Alexander Sverdlin <alexander.sverdlin@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Hartley Sweeten <hsweeten@...ionengravers.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/12] ARM: ep93xx: use ARM_PATCH_PHYS_VIRT

On Thu Jul 20 17:49:27 2017 Arnd Bergmann <arnd@...db.de> wrote:
> Just like ARCH_MULTIPLATFORM, we want to use ARM_PATCH_PHYS_VIRT
> when possible, but that fails for NOMMU or XIP_KERNEL configurations.
> Using 'imply' instead of 'select' gets this right and only uses
> the symbol when we don't have to hardcode the address anyway.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Alexander Sverdlin <alexander.sverdlin@...il.com>

> ---
>   arch/arm/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index d6e6f40addf6..db856355bd24 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -406,7 +406,7 @@ config ARCH_EP93XX
>       bool "EP93xx-based"
>       select ARCH_HAS_HOLES_MEMORYMODEL
>       select ARM_AMBA
> -    select ARM_PATCH_PHYS_VIRT
> +    imply ARM_PATCH_PHYS_VIRT
>       select ARM_VIC
>       select AUTO_ZRELADDR
>       select CLKDEV_LOOKUP
> -- 
> 2.9.0
>