linux-kernel - [PATCH v3 06/25] ASoC: renesas: rz-ssi: Terminate all the DMA transactions

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Message-Id: <20241113133540.2005850-7-claudiu.beznea.uj@bp.renesas.com>
Date: Wed, 13 Nov 2024 15:35:21 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: geert+renesas@...der.be,
	mturquette@...libre.com,
	sboyd@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	biju.das.jz@...renesas.com,
	prabhakar.mahadev-lad.rj@...renesas.com,
	lgirdwood@...il.com,
	broonie@...nel.org,
	magnus.damm@...il.com,
	linus.walleij@...aro.org,
	perex@...ex.cz,
	tiwai@...e.com,
	p.zabel@...gutronix.de
Cc: linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-sound@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	claudiu.beznea@...on.dev,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	stable@...r.kernel.org
Subject: [PATCH v3 06/25] ASoC: renesas: rz-ssi: Terminate all the DMA transactions

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

In case of full duplex the 1st closed stream doesn't benefit from the
dmaengine_terminate_async(). Call it after the companion stream is
closed.

Fixes: 4f8cd05a4305 ("ASoC: sh: rz-ssi: Add full duplex support")
Cc: stable@...r.kernel.org
Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---

Changes in v3:
- collected tags
- use proper fixes commit SHA1 and description
- s/sh/renesas in patch title

Changes in v2:
- none

 sound/soc/renesas/rz-ssi.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/renesas/rz-ssi.c b/sound/soc/renesas/rz-ssi.c
index 6efd017aaa7f..2d8721156099 100644
--- a/sound/soc/renesas/rz-ssi.c
+++ b/sound/soc/renesas/rz-ssi.c
@@ -415,8 +415,12 @@ static int rz_ssi_stop(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm)
 	rz_ssi_reg_mask_setl(ssi, SSICR, SSICR_TEN | SSICR_REN, 0);
 
 	/* Cancel all remaining DMA transactions */
-	if (rz_ssi_is_dma_enabled(ssi))
-		dmaengine_terminate_async(strm->dma_ch);
+	if (rz_ssi_is_dma_enabled(ssi)) {
+		if (ssi->playback.dma_ch)
+			dmaengine_terminate_async(ssi->playback.dma_ch);
+		if (ssi->capture.dma_ch)
+			dmaengine_terminate_async(ssi->capture.dma_ch);
+	}
 
 	rz_ssi_set_idle(ssi);
 
-- 
2.39.2