Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/nohlt.c b/arch/arm/mach-msm/nohlt.c
new file mode 100644
index 0000000..532d57d
--- /dev/null
+++ b/arch/arm/mach-msm/nohlt.c
@@ -0,0 +1,40 @@
+/* Copyright (c) 2009, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+/*
+ * MSM architecture driver to control arm halt behavior
+ */
+
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/fs.h>
+#include <asm/system.h>
+
+static int set_nohalt(void *data, u64 val)
+{
+ if (val)
+ disable_hlt();
+ else
+ enable_hlt();
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(nohalt_ops, NULL, set_nohalt, "%llu\n");
+
+static int __init init_hlt_debug(void)
+{
+ debugfs_create_file("nohlt", 0200, NULL, NULL, &nohalt_ops);
+
+ return 0;
+}
+
+late_initcall(init_hlt_debug);