Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/mach-tango/pm.c b/arch/arm/mach-tango/pm.c
new file mode 100644
index 000000000..a32c3b631
--- /dev/null
+++ b/arch/arm/mach-tango/pm.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/init.h>
+#include <linux/suspend.h>
+#include <asm/suspend.h>
+#include "smc.h"
+#include "pm.h"
+
+static int tango_pm_powerdown(unsigned long arg)
+{
+	tango_suspend(__pa_symbol(cpu_resume));
+
+	return -EIO; /* tango_suspend has failed */
+}
+
+static int tango_pm_enter(suspend_state_t state)
+{
+	if (state == PM_SUSPEND_MEM)
+		return cpu_suspend(0, tango_pm_powerdown);
+
+	return -EINVAL;
+}
+
+static const struct platform_suspend_ops tango_pm_ops = {
+	.enter = tango_pm_enter,
+	.valid = suspend_valid_only_mem,
+};
+
+void __init tango_pm_init(void)
+{
+	suspend_set_ops(&tango_pm_ops);
+}