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SubjectRe: [PATCH] ARM: mutually exclude ZBOOT_ROM and AUTO_ZRELADDR
On Fri, 14 Oct 2011, Olof Johansson wrote:

> This way platforms that want it can select AUTO_ZRELADDR without issues caused by
> someone manually also enabling ZBOOT_ROM.
>
> Signed-off-by: Olof Johansson <olof@lixom.net>

Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>

Certainly harmless for the time being.



> ---
> arch/arm/Kconfig | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
>
> Russell King wrote at Friday, October 14, 2011 1:15 AM:
>
> > I'll point out that this makes Tegra incompatible with ZBOOT_ROM, which
> > can still be enabled. ZBOOT_ROM=y AUTO_ZRELADDR=y is an invalid
> > configuration at runtime.
>
> Ah, looks like the dependency is only one-way. Since they are mutually
> exclusive, how about the below?
>
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 82973b2..2ad58e8 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1814,6 +1814,7 @@ config ZBOOT_ROM_BSS
> config ZBOOT_ROM
> bool "Compressed boot loader in ROM/flash"
> depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
> + depends on !AUTO_ZRELADDR
> help
> Say Y here if you intend to execute your compressed kernel image
> (zImage) directly from ROM or flash. If unsure, say N.
> --
> 1.7.4.1
>
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