1 files changed, 0 insertions, 146 deletions

diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
deleted file mode 100644
index 886326ee6f6c..000000000000
--- a/arch/arm/plat-samsung/dma-ops.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/* linux/arch/arm/plat-samsung/dma-ops.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Samsung DMA Operations
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/amba/pl330.h>
-#include <linux/scatterlist.h>
-#include <linux/export.h>
-
-#include <mach/dma.h>
-
-#if defined(CONFIG_PL330_DMA)
-#define dma_filter pl330_filter
-#elif defined(CONFIG_S3C64XX_PL080)
-#define dma_filter pl08x_filter_id
-#endif
-
-static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
-				struct samsung_dma_req *param,
-				struct device *dev, char *ch_name)
-{
-	dma_cap_mask_t mask;
-
-	dma_cap_zero(mask);
-	dma_cap_set(param->cap, mask);
-
-	if (dev->of_node)
-		return (unsigned)dma_request_slave_channel(dev, ch_name);
-	else
-		return (unsigned)dma_request_channel(mask, dma_filter,
-							(void *)dma_ch);
-}
-
-static int samsung_dmadev_release(unsigned ch, void *param)
-{
-	dma_release_channel((struct dma_chan *)ch);
-
-	return 0;
-}
-
-static int samsung_dmadev_config(unsigned ch,
-				struct samsung_dma_config *param)
-{
-	struct dma_chan *chan = (struct dma_chan *)ch;
-	struct dma_slave_config slave_config;
-
-	if (param->direction == DMA_DEV_TO_MEM) {
-		memset(&slave_config, 0, sizeof(struct dma_slave_config));
-		slave_config.direction = param->direction;
-		slave_config.src_addr = param->fifo;
-		slave_config.src_addr_width = param->width;
-		slave_config.src_maxburst = 1;
-		dmaengine_slave_config(chan, &slave_config);
-	} else if (param->direction == DMA_MEM_TO_DEV) {
-		memset(&slave_config, 0, sizeof(struct dma_slave_config));
-		slave_config.direction = param->direction;
-		slave_config.dst_addr = param->fifo;
-		slave_config.dst_addr_width = param->width;
-		slave_config.dst_maxburst = 1;
-		dmaengine_slave_config(chan, &slave_config);
-	} else {
-		pr_warn("unsupported direction\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int samsung_dmadev_prepare(unsigned ch,
-			struct samsung_dma_prep *param)
-{
-	struct scatterlist sg;
-	struct dma_chan *chan = (struct dma_chan *)ch;
-	struct dma_async_tx_descriptor *desc;
-
-	switch (param->cap) {
-	case DMA_SLAVE:
-		sg_init_table(&sg, 1);
-		sg_dma_len(&sg) = param->len;
-		sg_set_page(&sg, pfn_to_page(PFN_DOWN(param->buf)),
-			    param->len, offset_in_page(param->buf));
-		sg_dma_address(&sg) = param->buf;
-
-		desc = dmaengine_prep_slave_sg(chan,
-			&sg, 1, param->direction, DMA_PREP_INTERRUPT);
-		break;
-	case DMA_CYCLIC:
-		desc = dmaengine_prep_dma_cyclic(chan, param->buf,
-			param->len, param->period, param->direction,
-			DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
-		break;
-	default:
-		dev_err(&chan->dev->device, "unsupported format\n");
-		return -EFAULT;
-	}
-
-	if (!desc) {
-		dev_err(&chan->dev->device, "cannot prepare cyclic dma\n");
-		return -EFAULT;
-	}
-
-	desc->callback = param->fp;
-	desc->callback_param = param->fp_param;
-
-	dmaengine_submit((struct dma_async_tx_descriptor *)desc);
-
-	return 0;
-}
-
-static inline int samsung_dmadev_trigger(unsigned ch)
-{
-	dma_async_issue_pending((struct dma_chan *)ch);
-
-	return 0;
-}
-
-static inline int samsung_dmadev_flush(unsigned ch)
-{
-	return dmaengine_terminate_all((struct dma_chan *)ch);
-}
-
-static struct samsung_dma_ops dmadev_ops = {
-	.request	= samsung_dmadev_request,
-	.release	= samsung_dmadev_release,
-	.config		= samsung_dmadev_config,
-	.prepare	= samsung_dmadev_prepare,
-	.trigger	= samsung_dmadev_trigger,
-	.started	= NULL,
-	.flush		= samsung_dmadev_flush,
-	.stop		= samsung_dmadev_flush,
-};
-
-void *samsung_dmadev_get_ops(void)
-{
-	return &dmadev_ops;
-}
-EXPORT_SYMBOL(samsung_dmadev_get_ops);