dmaengine: edma: make edma_filter_fn private

With the audio driver no longer referring to this function, it
can be made private to the dmaengine driver itself, and the
header file removed.

Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20190722081705.2084961-2-arnd@arndb.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index ceabdea..f2549ee 100644 (file)
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -15,7 +15,6 @@
 
 #include <linux/dmaengine.h>
 #include <linux/dma-mapping.h>
-#include <linux/edma.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -2185,6 +2184,8 @@ static struct dma_chan *of_edma_xlate(struct of_phandle_args *dma_spec,
 }
 #endif
 
+static bool edma_filter_fn(struct dma_chan *chan, void *param);
+
 static int edma_probe(struct platform_device *pdev)
 {
        struct edma_soc_info    *info = pdev->dev.platform_data;
@@ -2524,7 +2525,7 @@ static struct platform_driver edma_tptc_driver = {
        },
 };
 
-bool edma_filter_fn(struct dma_chan *chan, void *param)
+static bool edma_filter_fn(struct dma_chan *chan, void *param)
 {
        bool match = false;
 

diff --git a/include/linux/edma.h b/include/linux/edma.h
deleted file mode 100644 (file)
index a1307e7..0000000
--- a/include/linux/edma.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * TI EDMA DMA engine driver
- *
- * Copyright 2012 Texas Instruments
- *
- * 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 version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#ifndef __LINUX_EDMA_H
-#define __LINUX_EDMA_H
-
-struct dma_chan;
-
-#if defined(CONFIG_TI_EDMA) || defined(CONFIG_TI_EDMA_MODULE)
-bool edma_filter_fn(struct dma_chan *, void *);
-#else
-static inline bool edma_filter_fn(struct dma_chan *chan, void *param)
-{
-       return false;
-}
-#endif
-
-#endif