linux-kernel - [PATCH 4.17 028/220] ASoC: mediatek: preallocate pages use platform device

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Message-Id: <20180701160909.514761033@linuxfoundation.org>
Date:   Sun,  1 Jul 2018 18:20:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        KaiChieh Chuang <kaichieh.chuang@...iatek.com>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH 4.17 028/220] ASoC: mediatek: preallocate pages use platform device

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

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

From: Kai Chieh Chuang <kaichieh.chuang@...iatek.com>

commit 5845e6155d8f4a4a9bae2d4c1d1bb4a4d9a925c2 upstream.

preallocate pages should use platform device,
since we set dma mask for platform device.

Signed-off-by: KaiChieh Chuang <kaichieh.chuang@...iatek.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/mediatek/common/mtk-afe-platform-driver.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/soc/mediatek/common/mtk-afe-platform-driver.c
+++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
@@ -64,14 +64,14 @@ static const struct snd_pcm_ops mtk_afe_
 static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	size_t size;
-	struct snd_card *card = rtd->card->snd_card;
 	struct snd_pcm *pcm = rtd->pcm;
 	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	size = afe->mtk_afe_hardware->buffer_bytes_max;
 	return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-						     card->dev, size, size);
+						     rtd->platform->dev,
+						     size, size);
 }
 
 static void mtk_afe_pcm_free(struct snd_pcm *pcm)