From b6263ff2d6e58cc2fe615219ab2a06778b5e6cef Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 1 Sep 2008 22:22:41 +0900
Subject: [PATCH] MIPS: TXx9: Implement prom_free_prom_memory
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/txx9/generic/setup.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 7a05c34c1dec0..5526375010f8d 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -28,6 +28,7 @@
#include <asm/time.h>
#include <asm/reboot.h>
#include <asm/r4kcache.h>
+#include <asm/sections.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
#include <asm/txx9tmr.h>
@@ -394,6 +395,11 @@ void __init prom_init(void)
void __init prom_free_prom_memory(void)
{
+ unsigned long saddr = PAGE_SIZE;
+ unsigned long eaddr = __pa_symbol(&_text);
+
+ if (saddr < eaddr)
+ free_init_pages("prom memory", saddr, eaddr);
}
const char *get_system_type(void)
--
2.30.2