[PATCH 1/2] arm: devtree: Save atags if are in DT atags field

From: Pali RohÃr
Date: Fri May 15 2015 - 15:51:32 EST


This patch creates /proc/atags from DT /atags field.

Signed-off-by: Pali RohÃr <pali.rohar@xxxxxxxxx>
---
arch/arm/kernel/devtree.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 7e13e27..dd98322 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -29,6 +29,7 @@
#include <asm/mach-types.h>
#include <asm/system_info.h>

+#include "atags.h"

#ifdef CONFIG_SMP
extern struct of_cpu_method __cpu_method_of_table[];
@@ -256,5 +257,10 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
system_rev = 0;
}

+ /* Save atags */
+ prop = of_get_flat_dt_prop(dt_root, "atags", NULL);
+ if (prop)
+ save_atags((void *)prop);
+
return mdesc;
}
--
1.7.9.5

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