patches.renesas/0798-ASoC-rsnd-fixup-dai-remove-callback-operation.patch

From aa1367bf9ff1f8ba67b8ac3f31a70253530873c4 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 24 Jul 2014 01:51:31 -0700
Subject: ASoC: rsnd: fixup dai remove callback operation

rsnd driver is using SSI/SRC/DVC which are
using "mod" base operation.
These "mod" are supporting "probe" and "remove" callbacks.

Current rsnd_probe should call "remove" if "probe" was failed,
since "probe" might be having DMAEngine handle.
Some mod's "remove" callback might be called without calling
"probe", but it is no problem. because "remove" do nothing
in such case.

So, all mod's "remove" should be called when error case
of rsnd_probe() and rsnd_remove().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit d62a3dcd4d75b1713d12697afdbffaf9a9da8f43)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 sound/soc/sh/rcar/core.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index c48d999a3fce..f07742f1eb11 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -1043,11 +1043,11 @@ static int rsnd_probe(struct platform_device *pdev)
 	for_each_rsnd_dai(rdai, priv, i) {
 		ret = rsnd_dai_call(probe, &rdai->playback, rdai);
 		if (ret)
-			return ret;
+			goto exit_snd_probe;
 
 		ret = rsnd_dai_call(probe, &rdai->capture, rdai);
 		if (ret)
-			return ret;
+			goto exit_snd_probe;
 	}
 
 	/*
@@ -1075,6 +1075,11 @@ static int rsnd_probe(struct platform_device *pdev)
 
 exit_snd_soc:
 	snd_soc_unregister_platform(dev);
+exit_snd_probe:
+	for_each_rsnd_dai(rdai, priv, i) {
+		rsnd_dai_call(remove, &rdai->playback, rdai);
+		rsnd_dai_call(remove, &rdai->capture, rdai);
+	}
 
 	return ret;
 }
@@ -1083,21 +1088,16 @@ static int rsnd_remove(struct platform_device *pdev)
 {
 	struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
 	struct rsnd_dai *rdai;
-	int ret, i;
+	int ret = 0, i;
 
 	pm_runtime_disable(&pdev->dev);
 
 	for_each_rsnd_dai(rdai, priv, i) {
-		ret = rsnd_dai_call(remove, &rdai->playback, rdai);
-		if (ret)
-			return ret;
-
-		ret = rsnd_dai_call(remove, &rdai->capture, rdai);
-		if (ret)
-			return ret;
+		ret |= rsnd_dai_call(remove, &rdai->playback, rdai);
+		ret |= rsnd_dai_call(remove, &rdai->capture, rdai);
 	}
 
-	return 0;
+	return ret;
 }
 
 static struct platform_driver rsnd_driver = {
-- 
2.1.2