From 7e1a02baa5df99c8bfd727e34aa150a0c05a6ffc Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Tue, 22 Aug 2017 17:13:28 +0000
Subject: [PATCH] Add some miscellaneous definitions to support the DRM
 drivers.

MFC after:	1 week
---
 sys/compat/linuxkpi/common/include/linux/device.h  | 4 ++++
 sys/compat/linuxkpi/common/include/linux/fs.h      | 3 +++
 sys/compat/linuxkpi/common/include/linux/kobject.h | 5 +++++
 sys/compat/linuxkpi/common/include/linux/lockdep.h | 2 ++
 sys/compat/linuxkpi/common/include/linux/module.h  | 2 ++
 5 files changed, 16 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/device.h b/sys/compat/linuxkpi/common/include/linux/device.h
index 7cf5b07327c..edc6cd8d9e0 100644
--- a/sys/compat/linuxkpi/common/include/linux/device.h
+++ b/sys/compat/linuxkpi/common/include/linux/device.h
@@ -50,12 +50,14 @@ enum irqreturn	{ IRQ_NONE = 0, IRQ_HANDLED, IRQ_WAKE_THREAD, };
 typedef enum irqreturn	irqreturn_t;
 
 struct device;
+struct fwnode_handle;
 
 struct class {
 	const char	*name;
 	struct module	*owner;
 	struct kobject	kobj;
 	devclass_t	bsdclass;
+	const struct dev_pm_ops *pm;
 	void		(*class_release)(struct class *class);
 	void		(*dev_release)(struct device *dev);
 	char *		(*devnode)(struct device *dev, umode_t *mode);
@@ -113,6 +115,7 @@ struct device {
 	unsigned int	msix;
 	unsigned int	msix_max;
 	const struct attribute_group **groups;
+	struct fwnode_handle *fwnode;
 
 	spinlock_t	devres_lock;
 	struct list_head devres_head;
@@ -179,6 +182,7 @@ show_class_attr_string(struct class *class,
 #define	dev_warn(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 #define	dev_info(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 #define	dev_notice(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
+#define	dev_dbg(dev, fmt, ...)	do { } while (0)
 #define	dev_printk(lvl, dev, fmt, ...)					\
 	    device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 
diff --git a/sys/compat/linuxkpi/common/include/linux/fs.h b/sys/compat/linuxkpi/common/include/linux/fs.h
index 6b163f57d23..ff0311b14da 100644
--- a/sys/compat/linuxkpi/common/include/linux/fs.h
+++ b/sys/compat/linuxkpi/common/include/linux/fs.h
@@ -53,9 +53,11 @@ struct pipe_inode_info;
 struct vm_area_struct;
 struct poll_table_struct;
 struct files_struct;
+struct pfs_node;
 
 #define	inode	vnode
 #define	i_cdev	v_rdev
+#define	i_private v_data
 
 #define	S_IRUGO	(S_IRUSR | S_IRGRP | S_IROTH)
 #define	S_IWUGO	(S_IWUSR | S_IWGRP | S_IWOTH)
@@ -65,6 +67,7 @@ typedef struct files_struct *fl_owner_t;
 
 struct dentry {
 	struct inode	*d_inode;
+	struct pfs_node	*d_pfs_node;
 };
 
 struct file_operations;
diff --git a/sys/compat/linuxkpi/common/include/linux/kobject.h b/sys/compat/linuxkpi/common/include/linux/kobject.h
index 261f3553946..f7280ff951b 100644
--- a/sys/compat/linuxkpi/common/include/linux/kobject.h
+++ b/sys/compat/linuxkpi/common/include/linux/kobject.h
@@ -135,6 +135,11 @@ kobject_create_and_add(const char *name, struct kobject *parent)
 	return (NULL);
 }
 
+static inline void
+kobject_del(struct kobject *kobj __unused)
+{
+}
+
 static inline char *
 kobject_name(const struct kobject *kobj)
 {
diff --git a/sys/compat/linuxkpi/common/include/linux/lockdep.h b/sys/compat/linuxkpi/common/include/linux/lockdep.h
index ef562e300cd..4bf902de0f8 100644
--- a/sys/compat/linuxkpi/common/include/linux/lockdep.h
+++ b/sys/compat/linuxkpi/common/include/linux/lockdep.h
@@ -47,4 +47,6 @@ struct lock_class_key {
 
 #define	lockdep_is_held(m)	(sx_xholder(&(m)->sx) == curthread)
 
+#define	might_lock(m)	do { } while (0)
+
 #endif /* _LINUX_LOCKDEP_H_ */
diff --git a/sys/compat/linuxkpi/common/include/linux/module.h b/sys/compat/linuxkpi/common/include/linux/module.h
index 13e5e0012d8..d3eecc8e1f2 100644
--- a/sys/compat/linuxkpi/common/include/linux/module.h
+++ b/sys/compat/linuxkpi/common/include/linux/module.h
@@ -102,4 +102,6 @@ _module_run(void *arg)
 #define	module_put(module)
 #define	try_module_get(module)	1
 
+#define	postcore_initcall(fn)	module_init(fn)
+
 #endif	/* _LINUX_MODULE_H_ */