From: Linus Walleij <linus.walleij@linaro.org>
Date: Mon, 4 Apr 2016 08:22:28 +0000 (+0100)
Subject: ARM: 8556/1: on a generic DT system: do not touch l2x0
X-Git-Tag: v4.8-rc1~104^2^3~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb6f8344f8780d75929c6a20f1f094d2585003f4;p=platform%2Fkernel%2Flinux-exynos.git

ARM: 8556/1: on a generic DT system: do not touch l2x0

Set no bits, mask all bits in the AUX l2x0 register for the
default DT ARM system: if anything needs to be modified, it
should be done using DT bindings.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 2e26016..f8966bb 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -213,6 +213,8 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
 
 #if defined(CONFIG_ARCH_MULTIPLATFORM) || defined(CONFIG_ARM_SINGLE_ARMV7M)
 	DT_MACHINE_START(GENERIC_DT, "Generic DT based system")
+		.l2c_aux_val = 0x0,
+		.l2c_aux_mask = ~0x0,
 	MACHINE_END
 
 	mdesc_best = &__mach_desc_GENERIC_DT;