[PATCH] arm: add a comment to __atags_pointer describing where it's set

[Uwe Kleine-König]

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 arch/arm/kernel/setup.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index c6c57b6..84a6e1f 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -73,6 +73,10 @@ EXPORT_SYMBOL(__machine_arch_type);
 unsigned int cacheid;
 EXPORT_SYMBOL(cacheid);
 
+/*
+ * This is assigned to in arch/arm/kernel/head-common.S
+ * before calling start_kernel
+ */
 unsigned int __atags_pointer __initdata;
 
 unsigned int system_rev;
-- 
1.6.6