1 files changed, 0 insertions, 142 deletions
diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
deleted file mode 100644
index 6004ea1c373e..000000000000
--- a/sound/hda/ext/hdac_ext_bus.c
+++ /dev/null
@@ -1,142 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- *  hdac-ext-bus.c - HD-audio extended core bus functions.
- *
- *  Copyright (C) 2014-2015 Intel Corp
- *  Author: Jeeja KP <jeeja.kp@intel.com>
- *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-#include <sound/hdaudio_ext.h>
-
-MODULE_DESCRIPTION("HDA extended core");
-MODULE_LICENSE("GPL v2");
-
-/**
- * snd_hdac_ext_bus_init - initialize a HD-audio extended bus
- * @bus: the pointer to HDAC bus object
- * @dev: device pointer
- * @ops: bus verb operators
- * @ext_ops: operators used for ASoC HDA codec drivers
- *
- * Returns 0 if successful, or a negative error code.
- */
-int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
-			const struct hdac_bus_ops *ops,
-			const struct hdac_ext_bus_ops *ext_ops)
-{
-	int ret;
-
-	ret = snd_hdac_bus_init(bus, dev, ops);
-	if (ret < 0)
-		return ret;
-
-	bus->ext_ops = ext_ops;
-	/* FIXME:
-	 * Currently only one bus is supported, if there is device with more
-	 * buses, bus->idx should be greater than 0, but there needs to be a
-	 * reliable way to always assign same number.
-	 */
-	bus->idx = 0;
-	bus->cmd_dma_state = true;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_init);
-
-/**
- * snd_hdac_ext_bus_exit - clean up a HD-audio extended bus
- * @bus: the pointer to HDAC bus object
- */
-void snd_hdac_ext_bus_exit(struct hdac_bus *bus)
-{
-	snd_hdac_bus_exit(bus);
-	WARN_ON(!list_empty(&bus->hlink_list));
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_exit);
-
-/**
- * snd_hdac_ext_bus_device_remove - remove HD-audio extended codec base devices
- *
- * @bus: the pointer to HDAC bus object
- */
-void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus)
-{
-	struct hdac_device *codec, *__codec;
-	/*
-	 * we need to remove all the codec devices objects created in the
-	 * snd_hdac_ext_bus_device_init
-	 */
-	list_for_each_entry_safe(codec, __codec, &bus->codec_list, list) {
-		snd_hdac_device_unregister(codec);
-		put_device(&codec->dev);
-	}
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_remove);
-#define dev_to_hdac(dev) (container_of((dev), \
-			struct hdac_device, dev))
-
-static inline struct hdac_driver *get_hdrv(struct device *dev)
-{
-	struct hdac_driver *hdrv = drv_to_hdac_driver(dev->driver);
-	return hdrv;
-}
-
-static inline struct hdac_device *get_hdev(struct device *dev)
-{
-	struct hdac_device *hdev = dev_to_hdac_dev(dev);
-	return hdev;
-}
-
-static int hda_ext_drv_probe(struct device *dev)
-{
-	return (get_hdrv(dev))->probe(get_hdev(dev));
-}
-
-static int hdac_ext_drv_remove(struct device *dev)
-{
-	return (get_hdrv(dev))->remove(get_hdev(dev));
-}
-
-static void hdac_ext_drv_shutdown(struct device *dev)
-{
-	return (get_hdrv(dev))->shutdown(get_hdev(dev));
-}
-
-/**
- * snd_hda_ext_driver_register - register a driver for ext hda devices
- *
- * @drv: ext hda driver structure
- */
-int snd_hda_ext_driver_register(struct hdac_driver *drv)
-{
-	drv->type = HDA_DEV_ASOC;
-	drv->driver.bus = &snd_hda_bus_type;
-	/* we use default match */
-
-	if (drv->probe)
-		drv->driver.probe = hda_ext_drv_probe;
-	if (drv->remove)
-		drv->driver.remove = hdac_ext_drv_remove;
-	if (drv->shutdown)
-		drv->driver.shutdown = hdac_ext_drv_shutdown;
-
-	return driver_register(&drv->driver);
-}
-EXPORT_SYMBOL_GPL(snd_hda_ext_driver_register);
-
-/**
- * snd_hda_ext_driver_unregister - unregister a driver for ext hda devices
- *
- * @drv: ext hda driver structure
- */
-void snd_hda_ext_driver_unregister(struct hdac_driver *drv)
-{
-	driver_unregister(&drv->driver);
-}
-EXPORT_SYMBOL_GPL(snd_hda_ext_driver_unregister);