dmaengine: sa11x0: unexport sa11x0_dma_filter_fn and clean up

As we now have no users of sa11x0_dma_filter_fn() in the tree, we can
unexport this function, and remove the now unused header file.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Russell King 2018-11-06 13:45:10 +00:00 committed by Vinod Koul
parent 651022382c
commit bc822e8017
2 changed files with 8 additions and 37 deletions

View File

@ -17,7 +17,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/sa11x0-dma.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@ -830,6 +829,14 @@ static const struct dma_slave_map sa11x0_dma_map[] = {
{ "sa11x0-ssp", "rx", "Ser4SSPRc" },
};
static bool sa11x0_dma_filter_fn(struct dma_chan *chan, void *param)
{
struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan);
const char *p = param;
return !strcmp(c->name, p);
}
static int sa11x0_dma_init_dmadev(struct dma_device *dmadev,
struct device *dev)
{
@ -1087,18 +1094,6 @@ static struct platform_driver sa11x0_dma_driver = {
.remove = sa11x0_dma_remove,
};
bool sa11x0_dma_filter_fn(struct dma_chan *chan, void *param)
{
if (chan->device->dev->driver == &sa11x0_dma_driver.driver) {
struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan);
const char *p = param;
return !strcmp(c->name, p);
}
return false;
}
EXPORT_SYMBOL(sa11x0_dma_filter_fn);
static int __init sa11x0_dma_init(void)
{
return platform_driver_register(&sa11x0_dma_driver);

View File

@ -1,24 +0,0 @@
/*
* SA11x0 DMA Engine support
*
* Copyright (C) 2012 Russell King
*
* 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 __LINUX_SA11X0_DMA_H
#define __LINUX_SA11X0_DMA_H
struct dma_chan;
#if defined(CONFIG_DMA_SA11X0) || defined(CONFIG_DMA_SA11X0_MODULE)
bool sa11x0_dma_filter_fn(struct dma_chan *, void *);
#else
static inline bool sa11x0_dma_filter_fn(struct dma_chan *c, void *d)
{
return false;
}
#endif
#endif