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authorRussell King <rmk+kernel@armlinux.org.uk>2018-11-06 13:45:10 +0000
committerVinod Koul <vkoul@kernel.org>2018-11-11 14:54:08 +0530
commitbc822e80170d672dd8ff0d07c521cf72f491cb6c (patch)
treeee32a81e4c5b0f4150ec10cd25fc344014cb2712
parentLinux 4.20-rc1 (diff)
downloadlinux-dev-bc822e80170d672dd8ff0d07c521cf72f491cb6c.tar.xz
linux-dev-bc822e80170d672dd8ff0d07c521cf72f491cb6c.zip
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>
-rw-r--r--drivers/dma/sa11x0-dma.c21
-rw-r--r--include/linux/sa11x0-dma.h24
2 files changed, 8 insertions, 37 deletions
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c
index b31d07c7d93c..784d5f1a473b 100644
--- a/drivers/dma/sa11x0-dma.c
+++ b/drivers/dma/sa11x0-dma.c
@@ -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);
diff --git a/include/linux/sa11x0-dma.h b/include/linux/sa11x0-dma.h
deleted file mode 100644
index 65839a58b8e5..000000000000
--- a/include/linux/sa11x0-dma.h
+++ /dev/null
@@ -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