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authorDave Airlie <airlied@redhat.com>2009-03-28 20:22:18 -0400
committerDave Airlie <airlied@redhat.com>2009-03-28 20:22:18 -0400
commit90f959bcb386da2c71613dcefc6a285e054a539e (patch)
treeee3e9dd4111d4aad12e579cb0c2c159114dff263 /arch/sh/kernel/swsusp.c
parent41f13fe81dd1b08723ab9f3fc3c7f29cfa81f1a5 (diff)
parent07d43ba98621f08e252a48c96b258b4d572b0257 (diff)
drm: merge Linux master into HEAD
Conflicts: drivers/gpu/drm/drm_info.c drivers/gpu/drm/drm_proc.c drivers/gpu/drm/i915/i915_gem_debugfs.c
Diffstat (limited to 'arch/sh/kernel/swsusp.c')
-rw-r--r--arch/sh/kernel/swsusp.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sh/kernel/swsusp.c b/arch/sh/kernel/swsusp.c
new file mode 100644
index 000000000000..12b64a0f2f01
--- /dev/null
+++ b/arch/sh/kernel/swsusp.c
@@ -0,0 +1,38 @@
+/*
+ * swsusp.c - SuperH hibernation support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/suspend.h>
+#include <asm/suspend.h>
+#include <asm/sections.h>
+#include <asm/tlbflush.h>
+#include <asm/page.h>
+#include <asm/fpu.h>
+
+struct swsusp_arch_regs swsusp_arch_regs_cpu0;
+
+int pfn_is_nosave(unsigned long pfn)
+{
+ unsigned long begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
+ unsigned long end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
+
+ return (pfn >= begin_pfn) && (pfn < end_pfn);
+}
+
+void save_processor_state(void)
+{
+ init_fpu(current);
+}
+
+void restore_processor_state(void)
+{
+ local_flush_tlb_all();
+}