backports:Backports for tegra 3.1 kernel

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>

5 files changed, 54 insertions, 4 deletions

diff --git a/backport-include/linux/export.h b/backport-include/linux/export.h
index 6f6cb6a..a3c7799 100644
--- a/backport-include/linux/export.h
+++ b/backport-include/linux/export.h
@@ -3,7 +3,7 @@
 
 #include <linux/version.h>
 
-#if LINUX_VERSION_IS_GEQ(3,2,0)
+#if LINUX_VERSION_IS_GEQ(3,1,0)
 #include_next <linux/export.h>
 #else
 #ifndef pr_fmt
@@ -14,6 +14,6 @@
 #undef pr_fmt
 #undef backport_undef_pr_fmt
 #endif
-#endif /* LINUX_VERSION_IS_GEQ(3,2,0) */
+#endif /* LINUX_VERSION_IS_GEQ(3,1,0) */
 
 #endif	/* _COMPAT_LINUX_EXPORT_H */
diff --git a/backport-include/linux/netdevice.h b/backport-include/linux/netdevice.h
index d92c95a..af8185c 100644
--- a/backport-include/linux/netdevice.h
+++ b/backport-include/linux/netdevice.h
@@ -334,7 +334,7 @@ static inline void netif_trans_update(struct net_device *dev)
 	(_dev)->needs_free_netdev = true;
 #endif
 
-#if LINUX_VERSION_IS_LESS(4,14,0)
+#if LINUX_VERSION_IN_RANGE(3,10,0, 4,13,0)
 static inline int _bp_netdev_upper_dev_link(struct net_device *dev,
 					    struct net_device *upper_dev)
 {
diff --git a/backport-include/linux/random.h b/backport-include/linux/random.h
index 7d817d8..fa016cc 100644
--- a/backport-include/linux/random.h
+++ b/backport-include/linux/random.h
@@ -12,7 +12,9 @@ static inline void add_device_randomness(const void *buf, unsigned int size)
 }
 #endif
 
-#if LINUX_VERSION_IS_LESS(3,8,0)
+/* #if LINUX_VERSION_IS_LESS(3,8,0) */
+/* already backported in our kernels */
+#if 0
 /* backports 496f2f9 */
 #define prandom_seed(_seed)		srandom32(_seed)
 #define prandom_u32()			random32()
diff --git a/backport-include/linux/suspend.h b/backport-include/linux/suspend.h
new file mode 100644
index 0000000..6030718
--- /dev/null
+++ b/backport-include/linux/suspend.h
@@ -0,0 +1,14 @@
+#ifndef __BP_LINUX_SUSPEND_H
+#define __BP_LINUX_SUSPEND_H
+#include_next <linux/suspend.h>
+
+#if LINUX_VERSION_IS_LESS(3,18,0)
+static inline void pm_system_wakeup(void)
+{
+#if LINUX_VERSION_IS_GEQ(3,10,0)
+	freeze_wake();
+#endif
+}
+#endif
+
+#endif /* __BP_LINUX_SUSPEND_H */
diff --git a/backport-include/linux/thermal.h b/backport-include/linux/thermal.h
index 108a8cf..b0dc643 100644
--- a/backport-include/linux/thermal.h
+++ b/backport-include/linux/thermal.h
@@ -5,6 +5,40 @@
 
 #if LINUX_VERSION_IS_LESS(3,8,0)
 #include <linux/errno.h>
+#include <linux/err.h>
+
+enum thermal_trend {
+	THERMAL_TREND_STABLE, /* temperature is stable */
+	THERMAL_TREND_RAISING, /* temperature is raising */
+	THERMAL_TREND_DROPPING, /* temperature is dropping */
+	THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */
+	THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */
+};
+
+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)
 
 struct thermal_bind_params {
 	struct thermal_cooling_device *cdev;