Merge branch 'topic/renesas' into for-linus

Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt

@@ -28,6 +28,7 @@ Required Properties:
 		- "renesas,dmac-r8a7796" (R-Car M3-W)
 		- "renesas,dmac-r8a77970" (R-Car V3M)
 		- "renesas,dmac-r8a77980" (R-Car V3H)
+		- "renesas,dmac-r8a77995" (R-Car D3)
 
 - reg: base address and length of the registers block for the DMAC
 

Documentation/devicetree/bindings/dma/renesas,usb-dmac.txt

@@ -12,6 +12,8 @@ Required Properties:
 	  - "renesas,r8a7795-usb-dmac" (R-Car H3)
 	  - "renesas,r8a7796-usb-dmac" (R-Car M3-W)
 	  - "renesas,r8a77965-usb-dmac" (R-Car M3-N)
+	  - "renesas,r8a77990-usb-dmac" (R-Car E3)
+	  - "renesas,r8a77995-usb-dmac" (R-Car D3)
 - reg: base address and length of the registers block for the DMAC
 - interrupts: interrupt specifiers for the DMAC, one for each entry in
   interrupt-names.

drivers/dma/sh/shdmac.c

@@ -443,7 +443,6 @@ static bool sh_dmae_reset(struct sh_dmae_device *shdev)
 	return ret;
 }
 
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
 static irqreturn_t sh_dmae_err(int irq, void *data)
 {
 	struct sh_dmae_device *shdev = data;
@@ -454,7 +453,6 @@ static irqreturn_t sh_dmae_err(int irq, void *data)
 	sh_dmae_reset(shdev);
 	return IRQ_HANDLED;
 }
-#endif
 
 static bool sh_dmae_desc_completed(struct shdma_chan *schan,
 				   struct shdma_desc *sdesc)
@@ -686,11 +684,8 @@ static int sh_dmae_probe(struct platform_device *pdev)
 	const struct sh_dmae_pdata *pdata;
 	unsigned long chan_flag[SH_DMAE_MAX_CHANNELS] = {};
 	int chan_irq[SH_DMAE_MAX_CHANNELS];
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
 	unsigned long irqflags = 0;
-	int errirq;
+	int err, errirq, i, irq_cnt = 0, irqres = 0, irq_cap = 0;
-#endif
-	int err, i, irq_cnt = 0, irqres = 0, irq_cap = 0;
 	struct sh_dmae_device *shdev;
 	struct dma_device *dma_dev;
 	struct resource *chan, *dmars, *errirq_res, *chanirq_res;
@@ -792,33 +787,32 @@ static int sh_dmae_probe(struct platform_device *pdev)
 	if (err)
 		goto rst_err;
 
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
+	if (IS_ENABLED(CONFIG_CPU_SH4) || IS_ENABLED(CONFIG_ARCH_RENESAS)) {
-	chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
+		chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
 
-	if (!chanirq_res)
+		if (!chanirq_res)
+			chanirq_res = errirq_res;
+		else
+			irqres++;
+
+		if (chanirq_res == errirq_res ||
+		    (errirq_res->flags & IORESOURCE_BITS) == IORESOURCE_IRQ_SHAREABLE)
+			irqflags = IRQF_SHARED;
+
+		errirq = errirq_res->start;
+
+		err = devm_request_irq(&pdev->dev, errirq, sh_dmae_err,
+				       irqflags, "DMAC Address Error", shdev);
+		if (err) {
+			dev_err(&pdev->dev,
+				"DMA failed requesting irq #%d, error %d\n",
+				errirq, err);
+			goto eirq_err;
+		}
+	} else {
 		chanirq_res = errirq_res;
-	else
-		irqres++;
-
-	if (chanirq_res == errirq_res ||
-	    (errirq_res->flags & IORESOURCE_BITS) == IORESOURCE_IRQ_SHAREABLE)
-		irqflags = IRQF_SHARED;
-
-	errirq = errirq_res->start;
-
-	err = devm_request_irq(&pdev->dev, errirq, sh_dmae_err, irqflags,
-			       "DMAC Address Error", shdev);
-	if (err) {
-		dev_err(&pdev->dev,
-			"DMA failed requesting irq #%d, error %d\n",
-			errirq, err);
-		goto eirq_err;
 	}
 
-#else
-	chanirq_res = errirq_res;
-#endif /* CONFIG_CPU_SH4 || CONFIG_ARCH_SHMOBILE */
-
 	if (chanirq_res->start == chanirq_res->end &&
 	    !platform_get_resource(pdev, IORESOURCE_IRQ, 1)) {
 		/* Special case - all multiplexed */
@@ -884,9 +878,7 @@ edmadevreg:
 chan_probe_err:
 	sh_dmae_chan_remove(shdev);
 
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
 eirq_err:
-#endif
 rst_err:
 	spin_lock_irq(&sh_dmae_lock);
 	list_del_rcu(&shdev->node);