From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Mon, 12 Feb 2007 08:55:26 +0000 (-0800)
Subject: [PATCH] ps3: cleanup ps3fb before clearing HPTE
X-Git-Tag: v2.6.21-rc1~274^2~18
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36dff96b3b83c5d79a45b221adf137b571b03d65;p=linux-2.6

[PATCH] ps3: cleanup ps3fb before clearing HPTE

PS3: Cleanup the frame buffer device before clearing the HPTE mapping

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index a4b5a1bc60..e12e59fea1 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -2,7 +2,7 @@
  *  PS3 pagetable management routines.
  *
  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
- *  Copyright 2006 Sony Corp.
+ *  Copyright 2006, 2007 Sony Corporation
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -24,6 +24,7 @@
 #include <asm/lmb.h>
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
+#include <asm/ps3fb.h>
 
 #include "platform.h"
 
@@ -233,6 +234,9 @@ static void ps3_hpte_invalidate(unsigned long slot, unsigned long va,
 
 static void ps3_hpte_clear(void)
 {
+	/* Make sure to clean up the frame buffer device first */
+	ps3fb_cleanup();
+
 	lv1_unmap_htab(htab_addr);
 }
 
diff --git a/include/asm-powerpc/ps3fb.h b/include/asm-powerpc/ps3fb.h
index 8933adf535..ad81cf4319 100644
--- a/include/asm-powerpc/ps3fb.h
+++ b/include/asm-powerpc/ps3fb.h
@@ -45,8 +45,10 @@ struct ps3fb_ioctl_res {
 
 #ifdef CONFIG_FB_PS3
 extern void ps3fb_flip_ctl(int on);
+extern void ps3fb_cleanup(void);
 #else
 static inline void ps3fb_flip_ctl(int on) {}
+static inline void ps3fb_cleanup(void) {}
 #endif
 
 #endif /* __KERNEL__ */