[POWERPC] PS3: Kexec support

Fixup the core platform parts needed for kexec to work on the PS3.
 - Setup ps3_hpte_clear correctly.
 - Mask interrupts on irq removal.
 - Release all hypervisor resources.
 - Create new routine ps3_shutdown_IRQ()

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 10 insertions, 3 deletions

diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index d741edd96a24..5d2e176a1b18 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -234,10 +234,17 @@ 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();
+        int result;
 
-        lv1_unmap_htab(htab_addr);
+        DBG(" -> %s:%d\n", __func__, __LINE__);
+
+        result = lv1_unmap_htab(htab_addr);
+        BUG_ON(result);
+
+        ps3_mm_shutdown();
+        ps3_mm_vas_destroy();
+
+        DBG(" <- %s:%d\n", __func__, __LINE__);
 }
 
 void __init ps3_hpte_init(unsigned long htab_size)