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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2009-03-27 16:14:38 +0100
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2009-03-27 16:14:38 +0100
commitb92efa9abffc4a634cd2e7a0f81f8aa6310d67c9 (patch)
tree9847508d9b8d4e585f90db4a453bfbc3700c997e /arch/sh/kernel/swsusp.c
parenta16fffdd8eb95ebab7dc22414896fe6493951e0e (diff)
parentbe0ea69674ed95e1e98cb3687a241badc756d228 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into avr32-arch
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();
+}