Merge remote branch 'linus/master' into drm-intel-fixes

Merge with Linus to resolve conflicting fixes for the reusing the stale
HEAD value during intel_ring_wait().

Conflicts:
	drivers/gpu/drm/i915/intel_ringbuffer.c

1 files changed, 18 insertions, 5 deletions

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index b0316a7cf08d..daf1e57d9b26 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -106,10 +106,7 @@ struct v4l2_subdev_io_pin_config {
         u8 strength;    /* Pin drive strength */
 };
 
-/* s_config: if set, then it is always called by the v4l2_i2c_new_subdev*
-        functions after the v4l2_subdev was registered. It is used to pass
-        platform data to the subdev which can be used during initialization.
-
+/*
    s_io_pin_config: configure one or more chip I/O pins for chips that
         multiplex different internal signal pads out to IO pins.  This function
         takes a pointer to an array of 'n' pin configuration entries, one for
@@ -141,7 +138,6 @@ struct v4l2_subdev_io_pin_config {
 struct v4l2_subdev_core_ops {
         int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
         int (*log_status)(struct v4l2_subdev *sd);
-        int (*s_config)(struct v4l2_subdev *sd, int irq, void *platform_data);
         int (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n,
                                       struct v4l2_subdev_io_pin_config *pincfg);
         int (*init)(struct v4l2_subdev *sd, u32 val);
@@ -415,6 +411,21 @@ struct v4l2_subdev_ops {
         const struct v4l2_subdev_sensor_ops     *sensor;
 };
 
+/*
+ * Internal ops. Never call this from drivers, only the v4l2 framework can call
+ * these ops.
+ *
+ * registered: called when this subdev is registered. When called the v4l2_dev
+ *      field is set to the correct v4l2_device.
+ *
+ * unregistered: called when this subdev is unregistered. When called the
+ *      v4l2_dev field is still set to the correct v4l2_device.
+ */
+struct v4l2_subdev_internal_ops {
+        int (*registered)(struct v4l2_subdev *sd);
+        void (*unregistered)(struct v4l2_subdev *sd);
+};
+
 #define V4L2_SUBDEV_NAME_SIZE 32
 
 /* Set this flag if this subdev is a i2c device. */
@@ -431,6 +442,8 @@ struct v4l2_subdev {
         u32 flags;
         struct v4l2_device *v4l2_dev;
         const struct v4l2_subdev_ops *ops;
+        /* Never call these internal ops from within a driver! */
+        const struct v4l2_subdev_internal_ops *internal_ops;
         /* The control handler of this subdev. May be NULL. */
         struct v4l2_ctrl_handler *ctrl_handler;
         /* name must be unique */