linux-kernel - [PATCH 3/3] dmaengine: edma: make edma_filter

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Date:   Thu,  7 Mar 2019 16:16:10 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Mark Brown <broonie@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Arnd Bergmann <arnd@...db.de>
Cc:     dmaengine@...r.kernel.org, alsa-devel@...a-project.org,
        Dan Williams <dan.j.williams@...el.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] 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.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/dma/ti/edma.c |  5 +++--
 include/linux/edma.h  | 29 -----------------------------
 2 files changed, 3 insertions(+), 31 deletions(-)
 delete mode 100644 include/linux/edma.h

diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index ceabdea40ae0..f2549ee3fb49 100644
--- 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
index a1307e7827e8..000000000000
--- 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
-- 
2.20.0