linux-kernel - [PATCH 4.12 028/106] ASoC: ux500: Restore platform DAI assignments

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Date:   Wed,  9 Aug 2017 09:52:12 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Johan Hovold <johan@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH 4.12 028/106] ASoC: ux500: Restore platform DAI assignments

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <johan@...nel.org>

commit 651e9268fb9b9944e063d731b09c0d2ad339bedb upstream.

This reverts commit f1013cdeeeb9 ("ASoC: ux500: drop platform DAI
assignments"), which seems to have been based on a misunderstanding and
prevents the platform driver callbacks from being made (e.g. to
preallocate DMA memory).

The real culprit for the warnings about attempts to create duplicate
procfs entries was commit 99b04f4c4051 ("ASoC: add Component level
pcm_new/pcm_free" that broke PCM creation on systems that use more than
one platform component.

Fixes: f1013cdeeeb9 ("ASoC: ux500: drop platform DAI assignments")
Signed-off-by: Johan Hovold <johan@...nel.org>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Tested-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/ux500/mop500.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/sound/soc/ux500/mop500.c
+++ b/sound/soc/ux500/mop500.c
@@ -33,6 +33,7 @@ static struct snd_soc_dai_link mop500_da
 		.stream_name = "ab8500_0",
 		.cpu_dai_name = "ux500-msp-i2s.1",
 		.codec_dai_name = "ab8500-codec-dai.0",
+		.platform_name = "ux500-msp-i2s.1",
 		.codec_name = "ab8500-codec.0",
 		.init = mop500_ab8500_machine_init,
 		.ops = mop500_ab8500_ops,
@@ -42,6 +43,7 @@ static struct snd_soc_dai_link mop500_da
 		.stream_name = "ab8500_1",
 		.cpu_dai_name = "ux500-msp-i2s.3",
 		.codec_dai_name = "ab8500-codec-dai.1",
+		.platform_name = "ux500-msp-i2s.3",
 		.codec_name = "ab8500-codec.0",
 		.init = NULL,
 		.ops = mop500_ab8500_ops,
@@ -85,6 +87,8 @@ static int mop500_of_probe(struct platfo
 	for (i = 0; i < 2; i++) {
 		mop500_dai_links[i].cpu_of_node = msp_np[i];
 		mop500_dai_links[i].cpu_dai_name = NULL;
+		mop500_dai_links[i].platform_of_node = msp_np[i];
+		mop500_dai_links[i].platform_name = NULL;
 		mop500_dai_links[i].codec_of_node = codec_np;
 		mop500_dai_links[i].codec_name = NULL;
 	}