[media] v4l: move v4l2 core into a separate directory

Currently, the v4l2 core is mixed together with other non-core drivers.
Move them into a separate directory.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 164 deletions

diff --git a/drivers/media/video/v4l2-int-device.c b/drivers/media/video/v4l2-int-device.c
deleted file mode 100644
index f4473494af7..00000000000
--- a/drivers/media/video/v4l2-int-device.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * drivers/media/video/v4l2-int-device.c
- *
- * V4L2 internal ioctl interface.
- *
- * Copyright (C) 2007 Nokia Corporation.
- *
- * Contact: Sakari Ailus <sakari.ailus@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/sort.h>
-#include <linux/string.h>
-#include <linux/module.h>
-
-#include <media/v4l2-int-device.h>
-
-static DEFINE_MUTEX(mutex);
-static LIST_HEAD(int_list);
-
-void v4l2_int_device_try_attach_all(void)
-{
-	struct v4l2_int_device *m, *s;
-
-	list_for_each_entry(m, &int_list, head) {
-		if (m->type != v4l2_int_type_master)
-			continue;
-
-		list_for_each_entry(s, &int_list, head) {
-			if (s->type != v4l2_int_type_slave)
-				continue;
-
-			/* Slave is connected? */
-			if (s->u.slave->master)
-				continue;
-
-			/* Slave wants to attach to master? */
-			if (s->u.slave->attach_to[0] != 0
-			    && strncmp(m->name, s->u.slave->attach_to,
-				       V4L2NAMESIZE))
-				continue;
-
-			if (!try_module_get(m->module))
-				continue;
-
-			s->u.slave->master = m;
-			if (m->u.master->attach(s)) {
-				s->u.slave->master = NULL;
-				module_put(m->module);
-				continue;
-			}
-		}
-	}
-}
-EXPORT_SYMBOL_GPL(v4l2_int_device_try_attach_all);
-
-static int ioctl_sort_cmp(const void *a, const void *b)
-{
-	const struct v4l2_int_ioctl_desc *d1 = a, *d2 = b;
-
-	if (d1->num > d2->num)
-		return 1;
-
-	if (d1->num < d2->num)
-		return -1;
-
-	return 0;
-}
-
-int v4l2_int_device_register(struct v4l2_int_device *d)
-{
-	if (d->type == v4l2_int_type_slave)
-		sort(d->u.slave->ioctls, d->u.slave->num_ioctls,
-		     sizeof(struct v4l2_int_ioctl_desc),
-		     &ioctl_sort_cmp, NULL);
-	mutex_lock(&mutex);
-	list_add(&d->head, &int_list);
-	v4l2_int_device_try_attach_all();
-	mutex_unlock(&mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(v4l2_int_device_register);
-
-void v4l2_int_device_unregister(struct v4l2_int_device *d)
-{
-	mutex_lock(&mutex);
-	list_del(&d->head);
-	if (d->type == v4l2_int_type_slave
-	    && d->u.slave->master != NULL) {
-		d->u.slave->master->u.master->detach(d);
-		module_put(d->u.slave->master->module);
-		d->u.slave->master = NULL;
-	}
-	mutex_unlock(&mutex);
-}
-EXPORT_SYMBOL_GPL(v4l2_int_device_unregister);
-
-/* Adapted from search_extable in extable.c. */
-static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd,
-				       v4l2_int_ioctl_func *no_such_ioctl)
-{
-	const struct v4l2_int_ioctl_desc *first = slave->ioctls;
-	const struct v4l2_int_ioctl_desc *last =
-		first + slave->num_ioctls - 1;
-
-	while (first <= last) {
-		const struct v4l2_int_ioctl_desc *mid;
-
-		mid = (last - first) / 2 + first;
-
-		if (mid->num < cmd)
-			first = mid + 1;
-		else if (mid->num > cmd)
-			last = mid - 1;
-		else
-			return mid->func;
-	}
-
-	return no_such_ioctl;
-}
-
-static int no_such_ioctl_0(struct v4l2_int_device *d)
-{
-	return -ENOIOCTLCMD;
-}
-
-int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd)
-{
-	return ((v4l2_int_ioctl_func_0 *)
-		find_ioctl(d->u.slave, cmd,
-			   (v4l2_int_ioctl_func *)no_such_ioctl_0))(d);
-}
-EXPORT_SYMBOL_GPL(v4l2_int_ioctl_0);
-
-static int no_such_ioctl_1(struct v4l2_int_device *d, void *arg)
-{
-	return -ENOIOCTLCMD;
-}
-
-int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg)
-{
-	return ((v4l2_int_ioctl_func_1 *)
-		find_ioctl(d->u.slave, cmd,
-			   (v4l2_int_ioctl_func *)no_such_ioctl_1))(d, arg);
-}
-EXPORT_SYMBOL_GPL(v4l2_int_ioctl_1);
-
-MODULE_LICENSE("GPL");