cleanup for new import

Change-Id: I97ce2459d8c4b401f67efa15581a5dfd1875bc76

1 files changed, 0 insertions, 463 deletions

diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
deleted file mode 100644
index c983dac97501..000000000000
--- a/drivers/fpga/fpga-bridge.c
+++ /dev/null
@@ -1,463 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * FPGA Bridge Framework Driver
- *
- *  Copyright (C) 2013-2016 Altera Corporation, All Rights Reserved.
- *  Copyright (C) 2017 Intel Corporation
- */
-#include <linux/fpga/fpga-bridge.h>
-#include <linux/idr.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of_platform.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-
-static DEFINE_IDA(fpga_bridge_ida);
-static struct class *fpga_bridge_class;
-
-/* Lock for adding/removing bridges to linked lists*/
-static spinlock_t bridge_list_lock;
-
-static int fpga_bridge_of_node_match(struct device *dev, const void *data)
-{
-	return dev->of_node == data;
-}
-
-/**
- * fpga_bridge_enable - Enable transactions on the bridge
- *
- * @bridge: FPGA bridge
- *
- * Return: 0 for success, error code otherwise.
- */
-int fpga_bridge_enable(struct fpga_bridge *bridge)
-{
-	dev_dbg(&bridge->dev, "enable\n");
-
-	if (bridge->br_ops && bridge->br_ops->enable_set)
-		return bridge->br_ops->enable_set(bridge, 1);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_enable);
-
-/**
- * fpga_bridge_disable - Disable transactions on the bridge
- *
- * @bridge: FPGA bridge
- *
- * Return: 0 for success, error code otherwise.
- */
-int fpga_bridge_disable(struct fpga_bridge *bridge)
-{
-	dev_dbg(&bridge->dev, "disable\n");
-
-	if (bridge->br_ops && bridge->br_ops->enable_set)
-		return bridge->br_ops->enable_set(bridge, 0);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_disable);
-
-static struct fpga_bridge *__fpga_bridge_get(struct device *dev,
-					     struct fpga_image_info *info)
-{
-	struct fpga_bridge *bridge;
-	int ret = -ENODEV;
-
-	bridge = to_fpga_bridge(dev);
-
-	bridge->info = info;
-
-	if (!mutex_trylock(&bridge->mutex)) {
-		ret = -EBUSY;
-		goto err_dev;
-	}
-
-	if (!try_module_get(dev->parent->driver->owner))
-		goto err_ll_mod;
-
-	dev_dbg(&bridge->dev, "get\n");
-
-	return bridge;
-
-err_ll_mod:
-	mutex_unlock(&bridge->mutex);
-err_dev:
-	put_device(dev);
-	return ERR_PTR(ret);
-}
-
-/**
- * of_fpga_bridge_get - get an exclusive reference to a fpga bridge
- *
- * @np: node pointer of a FPGA bridge
- * @info: fpga image specific information
- *
- * Return fpga_bridge struct if successful.
- * Return -EBUSY if someone already has a reference to the bridge.
- * Return -ENODEV if @np is not a FPGA Bridge.
- */
-struct fpga_bridge *of_fpga_bridge_get(struct device_node *np,
-				       struct fpga_image_info *info)
-{
-	struct device *dev;
-
-	dev = class_find_device(fpga_bridge_class, NULL, np,
-				fpga_bridge_of_node_match);
-	if (!dev)
-		return ERR_PTR(-ENODEV);
-
-	return __fpga_bridge_get(dev, info);
-}
-EXPORT_SYMBOL_GPL(of_fpga_bridge_get);
-
-static int fpga_bridge_dev_match(struct device *dev, const void *data)
-{
-	return dev->parent == data;
-}
-
-/**
- * fpga_bridge_get - get an exclusive reference to a fpga bridge
- * @dev:	parent device that fpga bridge was registered with
- * @info:	fpga manager info
- *
- * Given a device, get an exclusive reference to a fpga bridge.
- *
- * Return: fpga bridge struct or IS_ERR() condition containing error code.
- */
-struct fpga_bridge *fpga_bridge_get(struct device *dev,
-				    struct fpga_image_info *info)
-{
-	struct device *bridge_dev;
-
-	bridge_dev = class_find_device(fpga_bridge_class, NULL, dev,
-				       fpga_bridge_dev_match);
-	if (!bridge_dev)
-		return ERR_PTR(-ENODEV);
-
-	return __fpga_bridge_get(bridge_dev, info);
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_get);
-
-/**
- * fpga_bridge_put - release a reference to a bridge
- *
- * @bridge: FPGA bridge
- */
-void fpga_bridge_put(struct fpga_bridge *bridge)
-{
-	dev_dbg(&bridge->dev, "put\n");
-
-	bridge->info = NULL;
-	module_put(bridge->dev.parent->driver->owner);
-	mutex_unlock(&bridge->mutex);
-	put_device(&bridge->dev);
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_put);
-
-/**
- * fpga_bridges_enable - enable bridges in a list
- * @bridge_list: list of FPGA bridges
- *
- * Enable each bridge in the list.  If list is empty, do nothing.
- *
- * Return 0 for success or empty bridge list; return error code otherwise.
- */
-int fpga_bridges_enable(struct list_head *bridge_list)
-{
-	struct fpga_bridge *bridge;
-	int ret;
-
-	list_for_each_entry(bridge, bridge_list, node) {
-		ret = fpga_bridge_enable(bridge);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(fpga_bridges_enable);
-
-/**
- * fpga_bridges_disable - disable bridges in a list
- *
- * @bridge_list: list of FPGA bridges
- *
- * Disable each bridge in the list.  If list is empty, do nothing.
- *
- * Return 0 for success or empty bridge list; return error code otherwise.
- */
-int fpga_bridges_disable(struct list_head *bridge_list)
-{
-	struct fpga_bridge *bridge;
-	int ret;
-
-	list_for_each_entry(bridge, bridge_list, node) {
-		ret = fpga_bridge_disable(bridge);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(fpga_bridges_disable);
-
-/**
- * fpga_bridges_put - put bridges
- *
- * @bridge_list: list of FPGA bridges
- *
- * For each bridge in the list, put the bridge and remove it from the list.
- * If list is empty, do nothing.
- */
-void fpga_bridges_put(struct list_head *bridge_list)
-{
-	struct fpga_bridge *bridge, *next;
-	unsigned long flags;
-
-	list_for_each_entry_safe(bridge, next, bridge_list, node) {
-		fpga_bridge_put(bridge);
-
-		spin_lock_irqsave(&bridge_list_lock, flags);
-		list_del(&bridge->node);
-		spin_unlock_irqrestore(&bridge_list_lock, flags);
-	}
-}
-EXPORT_SYMBOL_GPL(fpga_bridges_put);
-
-/**
- * of_fpga_bridge_get_to_list - get a bridge, add it to a list
- *
- * @np: node pointer of a FPGA bridge
- * @info: fpga image specific information
- * @bridge_list: list of FPGA bridges
- *
- * Get an exclusive reference to the bridge and and it to the list.
- *
- * Return 0 for success, error code from of_fpga_bridge_get() othewise.
- */
-int of_fpga_bridge_get_to_list(struct device_node *np,
-			       struct fpga_image_info *info,
-			       struct list_head *bridge_list)
-{
-	struct fpga_bridge *bridge;
-	unsigned long flags;
-
-	bridge = of_fpga_bridge_get(np, info);
-	if (IS_ERR(bridge))
-		return PTR_ERR(bridge);
-
-	spin_lock_irqsave(&bridge_list_lock, flags);
-	list_add(&bridge->node, bridge_list);
-	spin_unlock_irqrestore(&bridge_list_lock, flags);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(of_fpga_bridge_get_to_list);
-
-/**
- * fpga_bridge_get_to_list - given device, get a bridge, add it to a list
- *
- * @dev: FPGA bridge device
- * @info: fpga image specific information
- * @bridge_list: list of FPGA bridges
- *
- * Get an exclusive reference to the bridge and and it to the list.
- *
- * Return 0 for success, error code from fpga_bridge_get() othewise.
- */
-int fpga_bridge_get_to_list(struct device *dev,
-			    struct fpga_image_info *info,
-			    struct list_head *bridge_list)
-{
-	struct fpga_bridge *bridge;
-	unsigned long flags;
-
-	bridge = fpga_bridge_get(dev, info);
-	if (IS_ERR(bridge))
-		return PTR_ERR(bridge);
-
-	spin_lock_irqsave(&bridge_list_lock, flags);
-	list_add(&bridge->node, bridge_list);
-	spin_unlock_irqrestore(&bridge_list_lock, flags);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_get_to_list);
-
-static ssize_t name_show(struct device *dev,
-			 struct device_attribute *attr, char *buf)
-{
-	struct fpga_bridge *bridge = to_fpga_bridge(dev);
-
-	return sprintf(buf, "%s\n", bridge->name);
-}
-
-static ssize_t state_show(struct device *dev,
-			  struct device_attribute *attr, char *buf)
-{
-	struct fpga_bridge *bridge = to_fpga_bridge(dev);
-	int enable = 1;
-
-	if (bridge->br_ops && bridge->br_ops->enable_show)
-		enable = bridge->br_ops->enable_show(bridge);
-
-	return sprintf(buf, "%s\n", enable ? "enabled" : "disabled");
-}
-
-static DEVICE_ATTR_RO(name);
-static DEVICE_ATTR_RO(state);
-
-static struct attribute *fpga_bridge_attrs[] = {
-	&dev_attr_name.attr,
-	&dev_attr_state.attr,
-	NULL,
-};
-ATTRIBUTE_GROUPS(fpga_bridge);
-
-/**
- * fpga_bridge_create - create and initialize a struct fpga_bridge
- * @dev:	FPGA bridge device from pdev
- * @name:	FPGA bridge name
- * @br_ops:	pointer to structure of fpga bridge ops
- * @priv:	FPGA bridge private data
- *
- * Return: struct fpga_bridge or NULL
- */
-struct fpga_bridge *fpga_bridge_create(struct device *dev, const char *name,
-				       const struct fpga_bridge_ops *br_ops,
-				       void *priv)
-{
-	struct fpga_bridge *bridge;
-	int id, ret = 0;
-
-	if (!name || !strlen(name)) {
-		dev_err(dev, "Attempt to register with no name!\n");
-		return NULL;
-	}
-
-	bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
-	if (!bridge)
-		return NULL;
-
-	id = ida_simple_get(&fpga_bridge_ida, 0, 0, GFP_KERNEL);
-	if (id < 0) {
-		ret = id;
-		goto error_kfree;
-	}
-
-	mutex_init(&bridge->mutex);
-	INIT_LIST_HEAD(&bridge->node);
-
-	bridge->name = name;
-	bridge->br_ops = br_ops;
-	bridge->priv = priv;
-
-	device_initialize(&bridge->dev);
-	bridge->dev.groups = br_ops->groups;
-	bridge->dev.class = fpga_bridge_class;
-	bridge->dev.parent = dev;
-	bridge->dev.of_node = dev->of_node;
-	bridge->dev.id = id;
-
-	ret = dev_set_name(&bridge->dev, "br%d", id);
-	if (ret)
-		goto error_device;
-
-	return bridge;
-
-error_device:
-	ida_simple_remove(&fpga_bridge_ida, id);
-error_kfree:
-	kfree(bridge);
-
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_create);
-
-/**
- * fpga_bridge_free - free a fpga bridge and its id
- * @bridge:	FPGA bridge struct created by fpga_bridge_create
- */
-void fpga_bridge_free(struct fpga_bridge *bridge)
-{
-	ida_simple_remove(&fpga_bridge_ida, bridge->dev.id);
-	kfree(bridge);
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_free);
-
-/**
- * fpga_bridge_register - register a fpga bridge
- * @bridge:	FPGA bridge struct created by fpga_bridge_create
- *
- * Return: 0 for success, error code otherwise.
- */
-int fpga_bridge_register(struct fpga_bridge *bridge)
-{
-	struct device *dev = &bridge->dev;
-	int ret;
-
-	ret = device_add(dev);
-	if (ret)
-		return ret;
-
-	of_platform_populate(dev->of_node, NULL, NULL, dev);
-
-	dev_info(dev->parent, "fpga bridge [%s] registered\n", bridge->name);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_register);
-
-/**
- * fpga_bridge_unregister - unregister and free a fpga bridge
- * @bridge:	FPGA bridge struct created by fpga_bridge_create
- */
-void fpga_bridge_unregister(struct fpga_bridge *bridge)
-{
-	/*
-	 * If the low level driver provides a method for putting bridge into
-	 * a desired state upon unregister, do it.
-	 */
-	if (bridge->br_ops && bridge->br_ops->fpga_bridge_remove)
-		bridge->br_ops->fpga_bridge_remove(bridge);
-
-	device_unregister(&bridge->dev);
-}
-EXPORT_SYMBOL_GPL(fpga_bridge_unregister);
-
-static void fpga_bridge_dev_release(struct device *dev)
-{
-	struct fpga_bridge *bridge = to_fpga_bridge(dev);
-
-	fpga_bridge_free(bridge);
-}
-
-static int __init fpga_bridge_dev_init(void)
-{
-	spin_lock_init(&bridge_list_lock);
-
-	fpga_bridge_class = class_create(THIS_MODULE, "fpga_bridge");
-	if (IS_ERR(fpga_bridge_class))
-		return PTR_ERR(fpga_bridge_class);
-
-	fpga_bridge_class->dev_groups = fpga_bridge_groups;
-	fpga_bridge_class->dev_release = fpga_bridge_dev_release;
-
-	return 0;
-}
-
-static void __exit fpga_bridge_dev_exit(void)
-{
-	class_destroy(fpga_bridge_class);
-	ida_destroy(&fpga_bridge_ida);
-}
-
-MODULE_DESCRIPTION("FPGA Bridge Driver");
-MODULE_AUTHOR("Alan Tull <atull@kernel.org>");
-MODULE_LICENSE("GPL v2");
-
-subsys_initcall(fpga_bridge_dev_init);
-module_exit(fpga_bridge_dev_exit);