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dma: mxs-dma: remove code left from generic DMA binding conversion

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With all mxs-dma clients moved to use generic DMA helper, the code
left from generic DMA binding conversion can be removed now.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Shawn Guo 2013-07-16 17:28:46 +08:00 committed by Vinod Koul
parent e8690fc2bc
commit b1baec525e
2 changed files with 0 additions and 43 deletions
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23
drivers/dma/mxs-dma.c
View file

@ -23,7 +23,6 @@
#include <linux/dmaengine.h> #include <linux/dmaengine.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/fsl/mxs-dma.h>
#include <linux/stmp_device.h> #include <linux/stmp_device.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/of_device.h>
@ -197,24 +196,6 @@ static struct mxs_dma_chan *to_mxs_dma_chan(struct dma_chan *chan)
return container_of(chan, struct mxs_dma_chan, chan); return container_of(chan, struct mxs_dma_chan, chan);
} }
int mxs_dma_is_apbh(struct dma_chan *chan)
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
return dma_is_apbh(mxs_dma);
}
EXPORT_SYMBOL_GPL(mxs_dma_is_apbh);
int mxs_dma_is_apbx(struct dma_chan *chan)
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
return !dma_is_apbh(mxs_dma);
}
EXPORT_SYMBOL_GPL(mxs_dma_is_apbx);
static void mxs_dma_reset_chan(struct mxs_dma_chan *mxs_chan) static void mxs_dma_reset_chan(struct mxs_dma_chan *mxs_chan)
{ {
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
@ -349,13 +330,9 @@ static irqreturn_t mxs_dma_int_handler(int irq, void *dev_id)
static int mxs_dma_alloc_chan_resources(struct dma_chan *chan) static int mxs_dma_alloc_chan_resources(struct dma_chan *chan)
{ {
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan); struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_data *data = chan->private;
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
int ret; int ret;
if (data)
mxs_chan->chan_irq = data->chan_irq;
mxs_chan->ccw = dma_alloc_coherent(mxs_dma->dma_device.dev, mxs_chan->ccw = dma_alloc_coherent(mxs_dma->dma_device.dev,
CCW_BLOCK_SIZE, &mxs_chan->ccw_phys, CCW_BLOCK_SIZE, &mxs_chan->ccw_phys,
GFP_KERNEL); GFP_KERNEL);

20
include/linux/fsl/mxs-dma.h
View file

@ -1,20 +0,0 @@
/*
* Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*/
#ifndef __MACH_MXS_DMA_H__
#define __MACH_MXS_DMA_H__
#include <linux/dmaengine.h>
struct mxs_dma_data {
int chan_irq;
};
extern int mxs_dma_is_apbh(struct dma_chan *chan);
extern int mxs_dma_is_apbx(struct dma_chan *chan);
#endif /* __MACH_MXS_DMA_H__ */