1 files changed, 70 insertions, 0 deletions
diff --git a/backport-include/linux/pm.h b/backport-include/linux/pm.h
new file mode 100644
index 0000000..70f3a21
--- /dev/null
+++ b/backport-include/linux/pm.h
@@ -0,0 +1,70 @@
+#ifndef __BACKPORT_PM_H
+#define __BACKPORT_PM_H
+#include_next <linux/pm.h>
+
+#ifndef PM_EVENT_SLEEP
+#define PM_EVENT_SLEEP  (PM_EVENT_SUSPEND)
+#endif
+
+#ifndef PMSG_IS_AUTO
+#define PMSG_IS_AUTO(msg)	(((msg).event & PM_EVENT_AUTO) != 0)
+#endif
+
+#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,32)
+#undef SIMPLE_DEV_PM_OPS
+#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
+const struct dev_pm_ops name = { \
+	.suspend = suspend_fn, \
+	.resume = resume_fn, \
+	.freeze = suspend_fn, \
+	.thaw = resume_fn, \
+	.poweroff = suspend_fn, \
+	.restore = resume_fn, \
+}
+#endif /* 2.6.32 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+/*
+ * dev_pm_ops is only available on kernels >= 2.6.29, for
+ * older kernels we rely on reverting the work to old
+ * power management style stuff. On 2.6.29 the pci calls
+ * weren't included yet though, so include them here.
+ */
+#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,29)
+#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn)		\
+struct dev_pm_ops name = {					\
+	.suspend = suspend_fn ## _compat,			\
+	.resume = resume_fn ## _compat,				\
+	.freeze = suspend_fn ## _compat,			\
+	.thaw = resume_fn ## _compat,				\
+	.poweroff = suspend_fn ## _compat,			\
+	.restore = resume_fn ## _compat,			\
+}
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30)
+#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
+struct dev_pm_ops name = { \
+	.suspend = suspend_fn, \
+	.resume = resume_fn, \
+	.freeze = suspend_fn, \
+	.thaw = resume_fn, \
+	.poweroff = suspend_fn, \
+	.restore = resume_fn, \
+}
+#else
+#define ___BACKPORT_PASTE(a, b) a##b
+#define __BACKPORT_PASTE(a, b) ___BACKPORT_PASTE(a,b)
+#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
+	struct {} __maybe_unused __BACKPORT_PASTE(__backport_avoid_warning_, __LINE__)
+#endif /* >= 2.6.29 */
+#endif /* < 2.6.32 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
+enum dpm_order {
+	DPM_ORDER_NONE,
+	DPM_ORDER_DEV_AFTER_PARENT,
+	DPM_ORDER_PARENT_BEFORE_DEV,
+	DPM_ORDER_DEV_LAST,
+};
+#endif
+
+#endif /* __BACKPORT_PM_H */