clocksource: sh_cmt: Rename struct sh_cmt_priv to sh_cmt_device

Channel data is private as well, rename priv to device to make the
distrinction between the core device and the channels clearer.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

drivers/clocksource/sh_cmt.c

@@ -35,10 +35,10 @@
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
 
-struct sh_cmt_priv;
+struct sh_cmt_device;
 
 struct sh_cmt_channel {
-	struct sh_cmt_priv *cmt;
+	struct sh_cmt_device *cmt;
 
 	unsigned long flags;
 	unsigned long match_value;
@@ -52,7 +52,7 @@ struct sh_cmt_channel {
 	bool cs_enabled;
 };
 
-struct sh_cmt_priv {
+struct sh_cmt_device {
 	struct platform_device *pdev;
 
 	void __iomem *mapbase;
@@ -693,132 +693,132 @@ static int sh_cmt_register(struct sh_cmt_channel *ch, char *name,
 	return 0;
 }
 
-static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev)
+static int sh_cmt_setup(struct sh_cmt_device *cmt, struct platform_device *pdev)
 {
 	struct sh_timer_config *cfg = pdev->dev.platform_data;
-	struct sh_cmt_channel *ch = &p->channel;
+	struct sh_cmt_channel *ch = &cmt->channel;
 	struct resource *res, *res2;
 	int irq, ret;
 	ret = -ENXIO;
 
-	memset(p, 0, sizeof(*p));
-	p->pdev = pdev;
+	memset(cmt, 0, sizeof(*cmt));
+	cmt->pdev = pdev;
 
 	if (!cfg) {
-		dev_err(&p->pdev->dev, "missing platform data\n");
+		dev_err(&cmt->pdev->dev, "missing platform data\n");
 		goto err0;
 	}
 
-	res = platform_get_resource(p->pdev, IORESOURCE_MEM, 0);
+	res = platform_get_resource(cmt->pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-		dev_err(&p->pdev->dev, "failed to get I/O memory\n");
+		dev_err(&cmt->pdev->dev, "failed to get I/O memory\n");
 		goto err0;
 	}
 
 	/* optional resource for the shared timer start/stop register */
-	res2 = platform_get_resource(p->pdev, IORESOURCE_MEM, 1);
+	res2 = platform_get_resource(cmt->pdev, IORESOURCE_MEM, 1);
 
-	irq = platform_get_irq(p->pdev, 0);
+	irq = platform_get_irq(cmt->pdev, 0);
 	if (irq < 0) {
-		dev_err(&p->pdev->dev, "failed to get irq\n");
+		dev_err(&cmt->pdev->dev, "failed to get irq\n");
 		goto err0;
 	}
 
 	/* map memory, let mapbase point to our channel */
-	p->mapbase = ioremap_nocache(res->start, resource_size(res));
-	if (p->mapbase == NULL) {
-		dev_err(&p->pdev->dev, "failed to remap I/O memory\n");
+	cmt->mapbase = ioremap_nocache(res->start, resource_size(res));
+	if (cmt->mapbase == NULL) {
+		dev_err(&cmt->pdev->dev, "failed to remap I/O memory\n");
 		goto err0;
 	}
 
 	/* map second resource for CMSTR */
-	p->mapbase_str = ioremap_nocache(res2 ? res2->start :
-					 res->start - cfg->channel_offset,
-					 res2 ? resource_size(res2) : 2);
-	if (p->mapbase_str == NULL) {
-		dev_err(&p->pdev->dev, "failed to remap I/O second memory\n");
+	cmt->mapbase_str = ioremap_nocache(res2 ? res2->start :
+					   res->start - cfg->channel_offset,
+					   res2 ? resource_size(res2) : 2);
+	if (cmt->mapbase_str == NULL) {
+		dev_err(&cmt->pdev->dev, "failed to remap I/O second memory\n");
 		goto err1;
 	}
 
 	/* get hold of clock */
-	p->clk = clk_get(&p->pdev->dev, "cmt_fck");
-	if (IS_ERR(p->clk)) {
-		dev_err(&p->pdev->dev, "cannot get clock\n");
-		ret = PTR_ERR(p->clk);
+	cmt->clk = clk_get(&cmt->pdev->dev, "cmt_fck");
+	if (IS_ERR(cmt->clk)) {
+		dev_err(&cmt->pdev->dev, "cannot get clock\n");
+		ret = PTR_ERR(cmt->clk);
 		goto err2;
 	}
 
-	ret = clk_prepare(p->clk);
+	ret = clk_prepare(cmt->clk);
 	if (ret < 0)
 		goto err3;
 
 	if (res2 && (resource_size(res2) == 4)) {
 		/* assume both CMSTR and CMCSR to be 32-bit */
-		p->read_control = sh_cmt_read32;
-		p->write_control = sh_cmt_write32;
+		cmt->read_control = sh_cmt_read32;
+		cmt->write_control = sh_cmt_write32;
 	} else {
-		p->read_control = sh_cmt_read16;
-		p->write_control = sh_cmt_write16;
+		cmt->read_control = sh_cmt_read16;
+		cmt->write_control = sh_cmt_write16;
 	}
 
 	if (resource_size(res) == 6) {
-		p->width = 16;
-		p->read_count = sh_cmt_read16;
-		p->write_count = sh_cmt_write16;
-		p->overflow_bit = 0x80;
-		p->clear_bits = ~0x80;
+		cmt->width = 16;
+		cmt->read_count = sh_cmt_read16;
+		cmt->write_count = sh_cmt_write16;
+		cmt->overflow_bit = 0x80;
+		cmt->clear_bits = ~0x80;
 	} else {
-		p->width = 32;
-		p->read_count = sh_cmt_read32;
-		p->write_count = sh_cmt_write32;
-		p->overflow_bit = 0x8000;
-		p->clear_bits = ~0xc000;
+		cmt->width = 32;
+		cmt->read_count = sh_cmt_read32;
+		cmt->write_count = sh_cmt_write32;
+		cmt->overflow_bit = 0x8000;
+		cmt->clear_bits = ~0xc000;
 	}
 
-	if (p->width == (sizeof(ch->max_match_value) * 8))
+	if (cmt->width == (sizeof(ch->max_match_value) * 8))
 		ch->max_match_value = ~0;
 	else
-		ch->max_match_value = (1 << p->width) - 1;
+		ch->max_match_value = (1 << cmt->width) - 1;
 
-	ch->cmt = p;
+	ch->cmt = cmt;
 	ch->match_value = ch->max_match_value;
 	raw_spin_lock_init(&ch->lock);
 
-	ret = sh_cmt_register(ch, (char *)dev_name(&p->pdev->dev),
+	ret = sh_cmt_register(ch, (char *)dev_name(&cmt->pdev->dev),
 			      cfg->clockevent_rating,
 			      cfg->clocksource_rating);
 	if (ret) {
-		dev_err(&p->pdev->dev, "registration failed\n");
+		dev_err(&cmt->pdev->dev, "registration failed\n");
 		goto err4;
 	}
 	ch->cs_enabled = false;
 
 	ret = request_irq(irq, sh_cmt_interrupt,
 			  IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
-			  dev_name(&p->pdev->dev), ch);
+			  dev_name(&cmt->pdev->dev), ch);
 	if (ret) {
-		dev_err(&p->pdev->dev, "failed to request irq %d\n", irq);
+		dev_err(&cmt->pdev->dev, "failed to request irq %d\n", irq);
 		goto err4;
 	}
 
-	platform_set_drvdata(pdev, p);
+	platform_set_drvdata(pdev, cmt);
 
 	return 0;
 err4:
-	clk_unprepare(p->clk);
+	clk_unprepare(cmt->clk);
 err3:
-	clk_put(p->clk);
+	clk_put(cmt->clk);
 err2:
-	iounmap(p->mapbase_str);
+	iounmap(cmt->mapbase_str);
 err1:
-	iounmap(p->mapbase);
+	iounmap(cmt->mapbase);
 err0:
 	return ret;
 }
 
 static int sh_cmt_probe(struct platform_device *pdev)
 {
-	struct sh_cmt_priv *p = platform_get_drvdata(pdev);
+	struct sh_cmt_device *cmt = platform_get_drvdata(pdev);
 	struct sh_timer_config *cfg = pdev->dev.platform_data;
 	int ret;
 
@@ -827,20 +827,20 @@ static int sh_cmt_probe(struct platform_device *pdev)
 		pm_runtime_enable(&pdev->dev);
 	}
 
-	if (p) {
+	if (cmt) {
 		dev_info(&pdev->dev, "kept as earlytimer\n");
 		goto out;
 	}
 
-	p = kmalloc(sizeof(*p), GFP_KERNEL);
-	if (p == NULL) {
+	cmt = kmalloc(sizeof(*cmt), GFP_KERNEL);
+	if (cmt == NULL) {
 		dev_err(&pdev->dev, "failed to allocate driver data\n");
 		return -ENOMEM;
 	}
 
-	ret = sh_cmt_setup(p, pdev);
+	ret = sh_cmt_setup(cmt, pdev);
 	if (ret) {
-		kfree(p);
+		kfree(cmt);
 		pm_runtime_idle(&pdev->dev);
 		return ret;
 	}