linux-kernel - [PATCH] ASoC: tegra: convert not to use dma_request_slave

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Date:   Sat, 11 Nov 2023 18:37:39 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-sound@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH] ASoC: tegra: convert not to use dma_request_slave_channel()

dma_request_slave_channel() is deprecated. dma_request_chan() should
be used directly instead.

Switch to the preferred function and update the error handling accordingly.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 sound/soc/tegra/tegra_pcm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index 142e8d4eefd5..42acb56543db 100644
--- a/sound/soc/tegra/tegra_pcm.c
+++ b/sound/soc/tegra/tegra_pcm.c
@@ -98,8 +98,8 @@ int tegra_pcm_open(struct snd_soc_component *component,
 		return ret;
 	}
 
-	chan = dma_request_slave_channel(cpu_dai->dev, dmap->chan_name);
-	if (!chan) {
+	chan = dma_request_chan(cpu_dai->dev, dmap->chan_name);
+	if (IS_ERR(chan)) {
 		dev_err(cpu_dai->dev,
 			"dmaengine request slave channel failed! (%s)\n",
 			dmap->chan_name);
-- 
2.34.1