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Subject[PATCH] ARM: mutually exclude ZBOOT_ROM and AUTO_ZRELADDR
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 <>
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 !AUTO_ZRELADDR
Say Y here if you intend to execute your compressed kernel image
(zImage) directly from ROM or flash. If unsure, say N.

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