1 files changed, 0 insertions, 136 deletions
diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c
deleted file mode 100644
index 08b619d0ea1e..000000000000
--- a/drivers/media/cec/cec-notifier.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * cec-notifier.c - notify CEC drivers of physical address changes
- *
- * Copyright 2016 Russell King <rmk+kernel@arm.linux.org.uk>
- * Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <linux/export.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/kref.h>
-
-#include <media/cec.h>
-#include <media/cec-notifier.h>
-#include <drm/drm_edid.h>
-
-struct cec_notifier {
-	struct mutex lock;
-	struct list_head head;
-	struct kref kref;
-	struct device *dev;
-	struct cec_adapter *cec_adap;
-	void (*callback)(struct cec_adapter *adap, u16 pa);
-
-	u16 phys_addr;
-};
-
-static LIST_HEAD(cec_notifiers);
-static DEFINE_MUTEX(cec_notifiers_lock);
-
-struct cec_notifier *cec_notifier_get(struct device *dev)
-{
-	struct cec_notifier *n;
-
-	mutex_lock(&cec_notifiers_lock);
-	list_for_each_entry(n, &cec_notifiers, head) {
-		if (n->dev == dev) {
-			kref_get(&n->kref);
-			mutex_unlock(&cec_notifiers_lock);
-			return n;
-		}
-	}
-	n = kzalloc(sizeof(*n), GFP_KERNEL);
-	if (!n)
-		goto unlock;
-	n->dev = dev;
-	n->phys_addr = CEC_PHYS_ADDR_INVALID;
-	mutex_init(&n->lock);
-	kref_init(&n->kref);
-	list_add_tail(&n->head, &cec_notifiers);
-unlock:
-	mutex_unlock(&cec_notifiers_lock);
-	return n;
-}
-EXPORT_SYMBOL_GPL(cec_notifier_get);
-
-static void cec_notifier_release(struct kref *kref)
-{
-	struct cec_notifier *n =
-		container_of(kref, struct cec_notifier, kref);
-
-	list_del(&n->head);
-	kfree(n);
-}
-
-void cec_notifier_put(struct cec_notifier *n)
-{
-	mutex_lock(&cec_notifiers_lock);
-	kref_put(&n->kref, cec_notifier_release);
-	mutex_unlock(&cec_notifiers_lock);
-}
-EXPORT_SYMBOL_GPL(cec_notifier_put);
-
-void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
-{
-	if (n == NULL)
-		return;
-
-	mutex_lock(&n->lock);
-	n->phys_addr = pa;
-	if (n->callback)
-		n->callback(n->cec_adap, n->phys_addr);
-	mutex_unlock(&n->lock);
-}
-EXPORT_SYMBOL_GPL(cec_notifier_set_phys_addr);
-
-void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
-					  const struct edid *edid)
-{
-	u16 pa = CEC_PHYS_ADDR_INVALID;
-
-	if (n == NULL)
-		return;
-
-	if (edid && edid->extensions)
-		pa = cec_get_edid_phys_addr((const u8 *)edid,
-				EDID_LENGTH * (edid->extensions + 1), NULL);
-	cec_notifier_set_phys_addr(n, pa);
-}
-EXPORT_SYMBOL_GPL(cec_notifier_set_phys_addr_from_edid);
-
-void cec_notifier_register(struct cec_notifier *n,
-			   struct cec_adapter *adap,
-			   void (*callback)(struct cec_adapter *adap, u16 pa))
-{
-	kref_get(&n->kref);
-	mutex_lock(&n->lock);
-	n->cec_adap = adap;
-	n->callback = callback;
-	n->callback(adap, n->phys_addr);
-	mutex_unlock(&n->lock);
-}
-EXPORT_SYMBOL_GPL(cec_notifier_register);
-
-void cec_notifier_unregister(struct cec_notifier *n)
-{
-	mutex_lock(&n->lock);
-	n->callback = NULL;
-	mutex_unlock(&n->lock);
-	cec_notifier_put(n);
-}
-EXPORT_SYMBOL_GPL(cec_notifier_unregister);