35 	struct posix_clock *clk = fp->private_data;  in get_posix_clock()  local
37 	down_read(&clk->rwsem);  in get_posix_clock()
39 	if (!clk->zombie)  in get_posix_clock()
40 		return clk;  in get_posix_clock()
42 	up_read(&clk->rwsem);  in get_posix_clock()
47 static void put_posix_clock(struct posix_clock *clk)  in put_posix_clock()  argument
49 	up_read(&clk->rwsem);  in put_posix_clock()
55 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_read()  local
58 	if (!clk)  in posix_clock_read()
61 	if (clk->ops.read)  in posix_clock_read()
62 		err = clk->ops.read(clk, fp->f_flags, buf, count);  in posix_clock_read()
64 	put_posix_clock(clk);  in posix_clock_read()
71 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_poll()  local
74 	if (!clk)  in posix_clock_poll()
77 	if (clk->ops.poll)  in posix_clock_poll()
78 		result = clk->ops.poll(clk, fp, wait);  in posix_clock_poll()
80 	put_posix_clock(clk);  in posix_clock_poll()
87 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_fasync()  local
90 	if (!clk)  in posix_clock_fasync()
93 	if (clk->ops.fasync)  in posix_clock_fasync()
94 		err = clk->ops.fasync(clk, fd, fp, on);  in posix_clock_fasync()
96 	put_posix_clock(clk);  in posix_clock_fasync()
103 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_mmap()  local
106 	if (!clk)  in posix_clock_mmap()
109 	if (clk->ops.mmap)  in posix_clock_mmap()
110 		err = clk->ops.mmap(clk, vma);  in posix_clock_mmap()
112 	put_posix_clock(clk);  in posix_clock_mmap()
120 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_ioctl()  local
123 	if (!clk)  in posix_clock_ioctl()
126 	if (clk->ops.ioctl)  in posix_clock_ioctl()
127 		err = clk->ops.ioctl(clk, cmd, arg);  in posix_clock_ioctl()
129 	put_posix_clock(clk);  in posix_clock_ioctl()
138 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_compat_ioctl()  local
141 	if (!clk)  in posix_clock_compat_ioctl()
144 	if (clk->ops.ioctl)  in posix_clock_compat_ioctl()
145 		err = clk->ops.ioctl(clk, cmd, arg);  in posix_clock_compat_ioctl()
147 	put_posix_clock(clk);  in posix_clock_compat_ioctl()
156 	struct posix_clock *clk =  in posix_clock_open()  local
159 	down_read(&clk->rwsem);  in posix_clock_open()
161 	if (clk->zombie) {  in posix_clock_open()
165 	if (clk->ops.open)  in posix_clock_open()
166 		err = clk->ops.open(clk, fp->f_mode);  in posix_clock_open()
171 		kref_get(&clk->kref);  in posix_clock_open()
172 		fp->private_data = clk;  in posix_clock_open()
175 	up_read(&clk->rwsem);  in posix_clock_open()
181 	struct posix_clock *clk = fp->private_data;  in posix_clock_release()  local
184 	if (clk->ops.release)  in posix_clock_release()
185 		err = clk->ops.release(clk);  in posix_clock_release()
187 	kref_put(&clk->kref, delete_clock);  in posix_clock_release()
209 int posix_clock_register(struct posix_clock *clk, dev_t devid)  in posix_clock_register()  argument
213 	kref_init(&clk->kref);  in posix_clock_register()
214 	init_rwsem(&clk->rwsem);  in posix_clock_register()
216 	cdev_init(&clk->cdev, &posix_clock_file_operations);  in posix_clock_register()
217 	clk->cdev.owner = clk->ops.owner;  in posix_clock_register()
218 	err = cdev_add(&clk->cdev, devid, 1);  in posix_clock_register()
226 	struct posix_clock *clk = container_of(kref, struct posix_clock, kref);  in delete_clock()  local
228 	if (clk->release)  in delete_clock()
229 		clk->release(clk);  in delete_clock()
232 void posix_clock_unregister(struct posix_clock *clk)  in posix_clock_unregister()  argument
234 	cdev_del(&clk->cdev);  in posix_clock_unregister()
236 	down_write(&clk->rwsem);  in posix_clock_unregister()
237 	clk->zombie = true;  in posix_clock_unregister()
238 	up_write(&clk->rwsem);  in posix_clock_unregister()
240 	kref_put(&clk->kref, delete_clock);  in posix_clock_unregister()
246 	struct posix_clock *clk;  member
261 	cd->clk = get_posix_clock(fp);  in get_clock_desc()
263 	err = cd->clk ? 0 : -ENODEV;  in get_clock_desc()
272 	put_posix_clock(cd->clk);  in put_clock_desc()
290 	if (cd.clk->ops.clock_adjtime)  in pc_clock_adjtime()
291 		err = cd.clk->ops.clock_adjtime(cd.clk, tx);  in pc_clock_adjtime()
309 	if (cd.clk->ops.clock_gettime)  in pc_clock_gettime()
310 		err = cd.clk->ops.clock_gettime(cd.clk, ts);  in pc_clock_gettime()
328 	if (cd.clk->ops.clock_getres)  in pc_clock_getres()
329 		err = cd.clk->ops.clock_getres(cd.clk, ts);  in pc_clock_getres()
352 	if (cd.clk->ops.clock_settime)  in pc_clock_settime()
353 		err = cd.clk->ops.clock_settime(cd.clk, ts);  in pc_clock_settime()
372 	if (cd.clk->ops.timer_create)  in pc_timer_create()
373 		err = cd.clk->ops.timer_create(cd.clk, kit);  in pc_timer_create()
392 	if (cd.clk->ops.timer_delete)  in pc_timer_delete()
393 		err = cd.clk->ops.timer_delete(cd.clk, kit);  in pc_timer_delete()
410 	if (cd.clk->ops.timer_gettime)  in pc_timer_gettime()
411 		cd.clk->ops.timer_gettime(cd.clk, kit, ts);  in pc_timer_gettime()
427 	if (cd.clk->ops.timer_settime)  in pc_timer_settime()
428 		err = cd.clk->ops.timer_settime(cd.clk, kit, flags, ts, old);  in pc_timer_settime()