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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/mach-imx/pm-imx25.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-imx/pm-imx25.c')
-rw-r--r--arch/arm/mach-imx/pm-imx25.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/pm-imx25.c b/arch/arm/mach-imx/pm-imx25.c
new file mode 100644
index 0000000000..0c574e8607
--- /dev/null
+++ b/arch/arm/mach-imx/pm-imx25.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2016 NXP Semiconductors
+ */
+
+#include <linux/kernel.h>
+#include <linux/suspend.h>
+#include <linux/io.h>
+#include "common.h"
+
+static int imx25_suspend_enter(suspend_state_t state)
+{
+ if (!IS_ENABLED(CONFIG_PM))
+ return 0;
+
+ switch (state) {
+ case PM_SUSPEND_MEM:
+ cpu_do_idle();
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct platform_suspend_ops imx25_suspend_ops = {
+ .enter = imx25_suspend_enter,
+ .valid = suspend_valid_only_mem,
+};
+
+void __init imx25_pm_init(void)
+{
+ suspend_set_ops(&imx25_suspend_ops);
+}