[PATCH] ARM: ux500: bail out on alien cpus

From: Linus Walleij
Date: Wed Jun 26 2013 - 15:44:57 EST


This makes the l2x0 initialization fail gracefully on non-ux500
systems.

Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
arch/arm/mach-ux500/cache-l2x0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c
index f58615b..82ccf1d 100644
--- a/arch/arm/mach-ux500/cache-l2x0.c
+++ b/arch/arm/mach-ux500/cache-l2x0.c
@@ -42,7 +42,8 @@ static int __init ux500_l2x0_init(void)
if (cpu_is_u8500_family() || cpu_is_ux540_family())
l2x0_base = __io_address(U8500_L2CC_BASE);
else
- ux500_unknown_soc();
+ /* Non-Ux500 platform */
+ return -ENODEV;

/* Unlock before init */
ux500_l2x0_unlock();
--
1.8.1.4

Yours,
Linus Walleij
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