From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/arm/mach-shmobile/suspend.c | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 arch/arm/mach-shmobile/suspend.c

(limited to 'arch/arm/mach-shmobile/suspend.c')

diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c
new file mode 100644
index 000000000..3969a4997
--- /dev/null
+++ b/arch/arm/mach-shmobile/suspend.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Suspend-to-RAM support code for SH-Mobile ARM
+ *
+ *  Copyright (C) 2011 Magnus Damm
+ */
+
+#include <linux/pm.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/cpu.h>
+
+#include <asm/io.h>
+#include <asm/system_misc.h>
+
+#include "common.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)
+{
+	cpu_idle_poll_ctrl(true);
+	return 0;
+}
+
+static void shmobile_suspend_end(void)
+{
+	cpu_idle_poll_ctrl(false);
+}
+
+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,
+};
+
+int __init shmobile_suspend_init(void)
+{
+	suspend_set_ops(&shmobile_suspend_ops);
+	return 0;
+}
-- 
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