patches.renesas/0301-ASoC-rsnd-dma-add-DMA-name-on-.ops.patch

From 2acccd224bbb28a8b136d8ea4c96334e3f6052d5 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 15 Jul 2015 07:16:03 +0000
Subject: [PATCH 301/326] ASoC: rsnd: dma: add DMA name on .ops

Current rsnd driver is using Audio DMAC (via DMAEngine) and
Audio DMAC peri peri (via original method), and usage of these DMAC
are different. Indicates its naming is useful for debugging.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit ddea1b2e83c379840aa54fadc587e418cf986ccb)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 sound/soc/sh/rcar/dma.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
index 943106136d99..a175863d239c 100644
--- a/sound/soc/sh/rcar/dma.c
+++ b/sound/soc/sh/rcar/dma.c
@@ -28,6 +28,7 @@ struct rsnd_dma_ctrl {
 };
 
 struct rsnd_dma_ops {
+	char *name;
 	void (*start)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
 	void (*stop)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
 	int (*init)(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id,
@@ -190,7 +191,8 @@ static int rsnd_dmaen_init(struct rsnd_dai_stream *io,
 	cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 	cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 
-	dev_dbg(dev, "dma : %pad -> %pad\n",
+	dev_dbg(dev, "%s %pad -> %pad\n",
+		dma->ops->name,
 		&cfg.src_addr, &cfg.dst_addr);
 
 	ret = dmaengine_slave_config(dmaen->chan, &cfg);
@@ -223,6 +225,7 @@ static void rsnd_dmaen_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
 }
 
 static struct rsnd_dma_ops rsnd_dmaen_ops = {
+	.name	= "audmac",
 	.start	= rsnd_dmaen_start,
 	.stop	= rsnd_dmaen_stop,
 	.init	= rsnd_dmaen_init,
@@ -368,6 +371,7 @@ static int rsnd_dmapp_init(struct rsnd_dai_stream *io,
 }
 
 static struct rsnd_dma_ops rsnd_dmapp_ops = {
+	.name	= "audmac-pp",
 	.start	= rsnd_dmapp_start,
 	.stop	= rsnd_dmapp_stop,
 	.init	= rsnd_dmapp_init,
@@ -580,6 +584,7 @@ int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id)
 	struct rsnd_mod *mod_to;
 	struct rsnd_priv *priv = rsnd_io_to_priv(io);
 	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
+	struct device *dev = rsnd_priv_to_dev(priv);
 	int is_play = rsnd_io_is_play(io);
 
 	/*
@@ -606,6 +611,11 @@ int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id)
 	if (rsnd_is_gen1(priv))
 		dma->ops = &rsnd_dmaen_ops;
 
+	dev_dbg(dev, "%s %s[%d] -> %s[%d]\n",
+		dma->ops->name,
+		rsnd_mod_name(mod_from), rsnd_mod_id(mod_from),
+		rsnd_mod_name(mod_to),   rsnd_mod_id(mod_to));
+
 	return dma->ops->init(io, dma, id, mod_from, mod_to);
 }
 
-- 
2.6.2