From 52409fae3e4b8d16b68b61902fc09075cd97b75d Mon Sep 17 00:00:00 2001
From: Dominik Sliwa <dominik.sliwa@toradex.com>
Date: Sun, 2 Jul 2017 16:41:37 +0200
Subject: Backports generated from 4.11 kernel

Initial commit.

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
---
 backport-include/linux/thermal.h | 114 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 backport-include/linux/thermal.h

(limited to 'backport-include/linux/thermal.h')

diff --git a/backport-include/linux/thermal.h b/backport-include/linux/thermal.h
new file mode 100644
index 0000000..108a8cf
--- /dev/null
+++ b/backport-include/linux/thermal.h
@@ -0,0 +1,114 @@
+#ifndef __BACKPORT_LINUX_THERMAL_H
+#define __BACKPORT_LINUX_THERMAL_H
+#include_next <linux/thermal.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_IS_LESS(3,8,0)
+#include <linux/errno.h>
+
+struct thermal_bind_params {
+	struct thermal_cooling_device *cdev;
+	int weight;
+	int trip_mask;
+	int (*match)(struct thermal_zone_device *tz,
+		     struct thermal_cooling_device *cdev);
+};
+
+struct thermal_zone_params {
+	int num_tbps;
+	struct thermal_bind_params *tbp;
+};
+
+static inline struct thermal_zone_device *
+backport_thermal_zone_device_register(const char *type, int trips, int mask,
+				      void *devdata,
+				      struct thermal_zone_device_ops *ops,
+				      const struct thermal_zone_params *tzp,
+				      int passive_delay, int polling_delay)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+#define thermal_zone_device_register backport_thermal_zone_device_register
+
+static inline void thermal_notify_framework(struct thermal_zone_device *tz,
+	int trip)
+{ }
+#else /* < 3.8.0 */
+
+#if LINUX_VERSION_IS_LESS(3,10,0)
+#define thermal_notify_framework notify_thermal_framework
+#endif /* LINUX_VERSION_IS_LESS(3,10,0) */
+
+#if LINUX_VERSION_IS_LESS(4,3,0)
+
+typedef struct thermal_zone_device_ops old_thermal_zone_device_ops_t;
+
+/* also add a way to call the old register and unregister functions */
+static inline struct thermal_zone_device *old_thermal_zone_device_register(
+	const char *type, int trips, int mask, void *devdata,
+	old_thermal_zone_device_ops_t *_ops,
+	const struct thermal_zone_params *_tzp,
+	int passive_delay, int polling_delay)
+{
+	struct thermal_zone_device_ops *ops =
+		(struct thermal_zone_device_ops *) _ops;
+
+	/* cast the const away */
+	struct thermal_zone_params *tzp =
+		(struct thermal_zone_params *)_tzp;
+
+	return thermal_zone_device_register(type, trips, mask, devdata,
+					    ops, tzp, passive_delay,
+					    polling_delay);
+}
+
+static inline
+void old_thermal_zone_device_unregister(struct thermal_zone_device *dev)
+{
+	thermal_zone_device_unregister(dev);
+}
+
+struct backport_thermal_zone_device_ops {
+	int (*bind) (struct thermal_zone_device *,
+		     struct thermal_cooling_device *);
+	int (*unbind) (struct thermal_zone_device *,
+		       struct thermal_cooling_device *);
+	int (*get_temp) (struct thermal_zone_device *, int *);
+	int (*get_mode) (struct thermal_zone_device *,
+			 enum thermal_device_mode *);
+	int (*set_mode) (struct thermal_zone_device *,
+		enum thermal_device_mode);
+	int (*get_trip_type) (struct thermal_zone_device *, int,
+		enum thermal_trip_type *);
+	int (*get_trip_temp) (struct thermal_zone_device *, int, int *);
+	int (*set_trip_temp) (struct thermal_zone_device *, int, int);
+	int (*get_trip_hyst) (struct thermal_zone_device *, int, int *);
+	int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
+	int (*get_crit_temp) (struct thermal_zone_device *, int *);
+	int (*set_emul_temp) (struct thermal_zone_device *, int);
+	int (*get_trend) (struct thermal_zone_device *, int,
+			  enum thermal_trend *);
+	int (*notify) (struct thermal_zone_device *, int,
+		       enum thermal_trip_type);
+};
+#define thermal_zone_device_ops LINUX_BACKPORT(thermal_zone_device_ops)
+
+#undef thermal_zone_device_register
+struct thermal_zone_device *backport_thermal_zone_device_register(
+	const char *type, int trips, int mask, void *devdata,
+	struct thermal_zone_device_ops *ops,
+	const struct thermal_zone_params *tzp,
+	int passive_delay, int polling_delay);
+
+#define thermal_zone_device_register \
+	LINUX_BACKPORT(thermal_zone_device_register)
+
+#undef thermal_zone_device_unregister
+void backport_thermal_zone_device_unregister(struct thermal_zone_device *);
+#define thermal_zone_device_unregister			\
+	LINUX_BACKPORT(thermal_zone_device_unregister)
+
+#endif /* LINUX_VERSION_IS_LESS(4,3,0) */
+#endif /* ! < 3.8.0 */
+
+#endif /* __BACKPORT_LINUX_THERMAL_H */
-- 
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