Linux-libre 4.5-gnu

1 files changed, 0 insertions, 212 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c
deleted file mode 100644
index f0178fd4f..000000000
--- a/drivers/net/wireless/rt2x00/rt2x00mmio.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
-	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
-	<http://rt2x00.serialmonkey.com>
-
-	This program is free software; you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation; either version 2 of the License, or
-	(at your option) any later version.
-
-	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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
-	Module: rt2x00mmio
-	Abstract: rt2x00 generic mmio device routines.
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-
-#include "rt2x00.h"
-#include "rt2x00mmio.h"
-
-/*
- * Register access.
- */
-int rt2x00mmio_regbusy_read(struct rt2x00_dev *rt2x00dev,
-			    const unsigned int offset,
-			    const struct rt2x00_field32 field,
-			    u32 *reg)
-{
-	unsigned int i;
-
-	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
-		return 0;
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00mmio_register_read(rt2x00dev, offset, reg);
-		if (!rt2x00_get_field32(*reg, field))
-			return 1;
-		udelay(REGISTER_BUSY_DELAY);
-	}
-
-	printk_once(KERN_ERR "%s() Indirect register access failed: "
-	      "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
-	*reg = ~0;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rt2x00mmio_regbusy_read);
-
-bool rt2x00mmio_rxdone(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue = rt2x00dev->rx;
-	struct queue_entry *entry;
-	struct queue_entry_priv_mmio *entry_priv;
-	struct skb_frame_desc *skbdesc;
-	int max_rx = 16;
-
-	while (--max_rx) {
-		entry = rt2x00queue_get_entry(queue, Q_INDEX);
-		entry_priv = entry->priv_data;
-
-		if (rt2x00dev->ops->lib->get_entry_state(entry))
-			break;
-
-		/*
-		 * Fill in desc fields of the skb descriptor
-		 */
-		skbdesc = get_skb_frame_desc(entry->skb);
-		skbdesc->desc = entry_priv->desc;
-		skbdesc->desc_len = entry->queue->desc_size;
-
-		/*
-		 * DMA is already done, notify rt2x00lib that
-		 * it finished successfully.
-		 */
-		rt2x00lib_dmastart(entry);
-		rt2x00lib_dmadone(entry);
-
-		/*
-		 * Send the frame to rt2x00lib for further processing.
-		 */
-		rt2x00lib_rxdone(entry, GFP_ATOMIC);
-	}
-
-	return !max_rx;
-}
-EXPORT_SYMBOL_GPL(rt2x00mmio_rxdone);
-
-void rt2x00mmio_flush_queue(struct data_queue *queue, bool drop)
-{
-	unsigned int i;
-
-	for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
-		msleep(10);
-}
-EXPORT_SYMBOL_GPL(rt2x00mmio_flush_queue);
-
-/*
- * Device initialization handlers.
- */
-static int rt2x00mmio_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
-				      struct data_queue *queue)
-{
-	struct queue_entry_priv_mmio *entry_priv;
-	void *addr;
-	dma_addr_t dma;
-	unsigned int i;
-
-	/*
-	 * Allocate DMA memory for descriptor and buffer.
-	 */
-	addr = dma_zalloc_coherent(rt2x00dev->dev,
-				   queue->limit * queue->desc_size, &dma,
-				   GFP_KERNEL);
-	if (!addr)
-		return -ENOMEM;
-
-	/*
-	 * Initialize all queue entries to contain valid addresses.
-	 */
-	for (i = 0; i < queue->limit; i++) {
-		entry_priv = queue->entries[i].priv_data;
-		entry_priv->desc = addr + i * queue->desc_size;
-		entry_priv->desc_dma = dma + i * queue->desc_size;
-	}
-
-	return 0;
-}
-
-static void rt2x00mmio_free_queue_dma(struct rt2x00_dev *rt2x00dev,
-				      struct data_queue *queue)
-{
-	struct queue_entry_priv_mmio *entry_priv =
-	    queue->entries[0].priv_data;
-
-	if (entry_priv->desc)
-		dma_free_coherent(rt2x00dev->dev,
-				  queue->limit * queue->desc_size,
-				  entry_priv->desc, entry_priv->desc_dma);
-	entry_priv->desc = NULL;
-}
-
-int rt2x00mmio_initialize(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue;
-	int status;
-
-	/*
-	 * Allocate DMA
-	 */
-	queue_for_each(rt2x00dev, queue) {
-		status = rt2x00mmio_alloc_queue_dma(rt2x00dev, queue);
-		if (status)
-			goto exit;
-	}
-
-	/*
-	 * Register interrupt handler.
-	 */
-	status = request_irq(rt2x00dev->irq,
-			     rt2x00dev->ops->lib->irq_handler,
-			     IRQF_SHARED, rt2x00dev->name, rt2x00dev);
-	if (status) {
-		rt2x00_err(rt2x00dev, "IRQ %d allocation failed (error %d)\n",
-			   rt2x00dev->irq, status);
-		goto exit;
-	}
-
-	return 0;
-
-exit:
-	queue_for_each(rt2x00dev, queue)
-		rt2x00mmio_free_queue_dma(rt2x00dev, queue);
-
-	return status;
-}
-EXPORT_SYMBOL_GPL(rt2x00mmio_initialize);
-
-void rt2x00mmio_uninitialize(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue;
-
-	/*
-	 * Free irq line.
-	 */
-	free_irq(rt2x00dev->irq, rt2x00dev);
-
-	/*
-	 * Free DMA
-	 */
-	queue_for_each(rt2x00dev, queue)
-		rt2x00mmio_free_queue_dma(rt2x00dev, queue);
-}
-EXPORT_SYMBOL_GPL(rt2x00mmio_uninitialize);
-
-/*
- * rt2x00mmio module information.
- */
-MODULE_AUTHOR(DRV_PROJECT);
-MODULE_VERSION(DRV_VERSION);
-MODULE_DESCRIPTION("rt2x00 mmio library");
-MODULE_LICENSE("GPL");