1 files changed, 46 insertions, 23 deletions

diff --git a/sound/soc/sh/rz-ssi.c b/sound/soc/sh/rz-ssi.c
index 5d6bae33ae34..fe79eb90e1e5 100644
--- a/sound/soc/sh/rz-ssi.c
+++ b/sound/soc/sh/rz-ssi.c
@@ -109,6 +109,7 @@ struct rz_ssi_priv {
 	int irq_int;
 	int irq_tx;
 	int irq_rx;
+	int irq_rt;
 
 	spinlock_t lock;
 
@@ -565,6 +566,17 @@ static irqreturn_t rz_ssi_interrupt(int irq, void *data)
 		rz_ssi_reg_mask_setl(ssi, SSIFSR, SSIFSR_RDF, 0);
 	}
 
+	if (irq == ssi->irq_rt) {
+		struct snd_pcm_substream *substream = strm->substream;
+
+		if (rz_ssi_stream_is_play(ssi, substream)) {
+			strm->transfer(ssi, &ssi->playback);
+		} else {
+			strm->transfer(ssi, &ssi->capture);
+			rz_ssi_reg_mask_setl(ssi, SSIFSR, SSIFSR_RDF, 0);
+		}
+	}
+
 	return IRQ_HANDLED;
 }
 
@@ -993,26 +1005,39 @@ static int rz_ssi_probe(struct platform_device *pdev)
 	if (!rz_ssi_is_dma_enabled(ssi)) {
 		/* Tx and Rx interrupts (pio only) */
 		ssi->irq_tx = platform_get_irq_byname(pdev, "dma_tx");
-		if (ssi->irq_tx < 0)
-			return ssi->irq_tx;
-
-		ret = devm_request_irq(&pdev->dev, ssi->irq_tx,
-				       &rz_ssi_interrupt, 0,
-				       dev_name(&pdev->dev), ssi);
-		if (ret < 0)
-			return dev_err_probe(&pdev->dev, ret,
-					     "irq request error (dma_tx)\n");
-
 		ssi->irq_rx = platform_get_irq_byname(pdev, "dma_rx");
-		if (ssi->irq_rx < 0)
-			return ssi->irq_rx;
-
-		ret = devm_request_irq(&pdev->dev, ssi->irq_rx,
-				       &rz_ssi_interrupt, 0,
-				       dev_name(&pdev->dev), ssi);
-		if (ret < 0)
-			return dev_err_probe(&pdev->dev, ret,
-					     "irq request error (dma_rx)\n");
+		if (ssi->irq_tx == -ENXIO && ssi->irq_rx == -ENXIO) {
+			ssi->irq_rt = platform_get_irq_byname(pdev, "dma_rt");
+			if (ssi->irq_rt < 0)
+				return ssi->irq_rt;
+
+			ret = devm_request_irq(&pdev->dev, ssi->irq_rt,
+					       &rz_ssi_interrupt, 0,
+					       dev_name(&pdev->dev), ssi);
+			if (ret < 0)
+				return dev_err_probe(&pdev->dev, ret,
+						"irq request error (dma_tx)\n");
+		} else {
+			if (ssi->irq_tx < 0)
+				return ssi->irq_tx;
+
+			if (ssi->irq_rx < 0)
+				return ssi->irq_rx;
+
+			ret = devm_request_irq(&pdev->dev, ssi->irq_tx,
+					       &rz_ssi_interrupt, 0,
+					       dev_name(&pdev->dev), ssi);
+			if (ret < 0)
+				return dev_err_probe(&pdev->dev, ret,
+						"irq request error (dma_tx)\n");
+
+			ret = devm_request_irq(&pdev->dev, ssi->irq_rx,
+					       &rz_ssi_interrupt, 0,
+					       dev_name(&pdev->dev), ssi);
+			if (ret < 0)
+				return dev_err_probe(&pdev->dev, ret,
+						"irq request error (dma_rx)\n");
+		}
 	}
 
 	ssi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
@@ -1050,7 +1075,7 @@ err_reset:
 	return ret;
 }
 
-static int rz_ssi_remove(struct platform_device *pdev)
+static void rz_ssi_remove(struct platform_device *pdev)
 {
 	struct rz_ssi_priv *ssi = dev_get_drvdata(&pdev->dev);
 
@@ -1059,8 +1084,6 @@ static int rz_ssi_remove(struct platform_device *pdev)
 	pm_runtime_put(ssi->dev);
 	pm_runtime_disable(ssi->dev);
 	reset_control_assert(ssi->rstc);
-
-	return 0;
 }
 
 static const struct of_device_id rz_ssi_of_match[] = {
@@ -1075,7 +1098,7 @@ static struct platform_driver rz_ssi_driver = {
 		.of_match_table = rz_ssi_of_match,
 	},
 	.probe		= rz_ssi_probe,
-	.remove		= rz_ssi_remove,
+	.remove_new	= rz_ssi_remove,
 };
 
 module_platform_driver(rz_ssi_driver);