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authorJiri Kosina <jkosina@suse.cz>2011-06-10 14:46:48 +0200
committerJiri Kosina <jkosina@suse.cz>2011-06-10 14:46:57 +0200
commit5be5758c114b18260c6fd4c8373bf89e39b0fe82 (patch)
tree54390f904df6ff11e570f764c444356cf2709fda /arch/arm/mach-shmobile/suspend.c
parent71f66a6580c4e42df377bebbcca5c72661a40700 (diff)
parent7f45e5cd1718ed769295033ca214032848a0097d (diff)
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patches against new code I have in queue.
Diffstat (limited to 'arch/arm/mach-shmobile/suspend.c')
-rw-r--r--arch/arm/mach-shmobile/suspend.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c
new file mode 100644
index 00000000000..c1febe13f70
--- /dev/null
+++ b/arch/arm/mach-shmobile/suspend.c
@@ -0,0 +1,47 @@
+/*
+ * Suspend-to-RAM support code for SH-Mobile ARM
+ *
+ * Copyright (C) 2011 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/pm.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <asm/system.h>
+#include <asm/io.h>
+
+static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
+{
+ cpu_do_idle();
+ return 0;
+}
+
+static int shmobile_suspend_begin(suspend_state_t state)
+{
+ disable_hlt();
+ return 0;
+}
+
+static void shmobile_suspend_end(void)
+{
+ enable_hlt();
+}
+
+struct platform_suspend_ops shmobile_suspend_ops = {
+ .begin = shmobile_suspend_begin,
+ .end = shmobile_suspend_end,
+ .enter = shmobile_suspend_default_enter,
+ .valid = suspend_valid_only_mem,
+};
+
+static int __init shmobile_suspend_init(void)
+{
+ suspend_set_ops(&shmobile_suspend_ops);
+ return 0;
+}
+late_initcall(shmobile_suspend_init);