[ARM] omap: watchdog: convert clocks to match by devid and conid

This eliminates the need for separate OMAP24xx and OMAP34xx clock
requesting code sections.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 25 insertions, 68 deletions

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 2f2ce7429f5b..1a4c699762e6 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -60,9 +60,8 @@ struct omap_wdt_dev {
 	void __iomem    *base;          /* physical */
 	struct device   *dev;
 	int             omap_wdt_users;
-	struct clk      *armwdt_ck;
-	struct clk      *mpu_wdt_ick;
-	struct clk      *mpu_wdt_fck;
+	struct clk      *ick;
+	struct clk      *fck;
 	struct resource *mem;
 	struct miscdevice omap_wdt_miscdev;
 };
@@ -146,13 +145,9 @@ static int omap_wdt_open(struct inode *inode, struct file *file)
 	if (test_and_set_bit(1, (unsigned long *)&(wdev->omap_wdt_users)))
 		return -EBUSY;
 
-	if (cpu_is_omap16xx())
-		clk_enable(wdev->armwdt_ck);	/* Enable the clock */
-
-	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
-		clk_enable(wdev->mpu_wdt_ick);    /* Enable the interface clock */
-		clk_enable(wdev->mpu_wdt_fck);    /* Enable the functional clock */
-	}
+	if (wdev->ick)
+		clk_enable(wdev->ick);    /* Enable the interface clock */
+	clk_enable(wdev->fck);    /* Enable the functional clock */
 
 	/* initialize prescaler */
 	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
@@ -181,13 +176,9 @@ static int omap_wdt_release(struct inode *inode, struct file *file)
 
 	omap_wdt_disable(wdev);
 
-	if (cpu_is_omap16xx())
-		clk_disable(wdev->armwdt_ck);	/* Disable the clock */
-
-	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
-		clk_disable(wdev->mpu_wdt_ick);	/* Disable the clock */
-		clk_disable(wdev->mpu_wdt_fck);	/* Disable the clock */
-	}
+	if (wdev->ick)
+		clk_disable(wdev->ick);
+	clk_disable(wdev->fck);
 #else
 	printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n");
 #endif
@@ -303,44 +294,21 @@ static int __init omap_wdt_probe(struct platform_device *pdev)
 	wdev->omap_wdt_users = 0;
 	wdev->mem = mem;
 
-	if (cpu_is_omap16xx()) {
-		wdev->armwdt_ck = clk_get(&pdev->dev, "armwdt_ck");
-		if (IS_ERR(wdev->armwdt_ck)) {
-			ret = PTR_ERR(wdev->armwdt_ck);
-			wdev->armwdt_ck = NULL;
+	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
+		wdev->ick = clk_get(&pdev->dev, "ick");
+		if (IS_ERR(wdev->ick)) {
+			ret = PTR_ERR(wdev->ick);
+			wdev->ick = NULL;
 			goto err_clk;
 		}
 	}
-
-	if (cpu_is_omap24xx()) {
-		wdev->mpu_wdt_ick = clk_get(&pdev->dev, "mpu_wdt_ick");
-		if (IS_ERR(wdev->mpu_wdt_ick)) {
-			ret = PTR_ERR(wdev->mpu_wdt_ick);
-			wdev->mpu_wdt_ick = NULL;
-			goto err_clk;
-		}
-		wdev->mpu_wdt_fck = clk_get(&pdev->dev, "mpu_wdt_fck");
-		if (IS_ERR(wdev->mpu_wdt_fck)) {
-			ret = PTR_ERR(wdev->mpu_wdt_fck);
-			wdev->mpu_wdt_fck = NULL;
-			goto err_clk;
-		}
+	wdev->fck = clk_get(&pdev->dev, "fck");
+	if (IS_ERR(wdev->fck)) {
+		ret = PTR_ERR(wdev->fck);
+		wdev->fck = NULL;
+		goto err_clk;
 	}
 
-	if (cpu_is_omap34xx()) {
-		wdev->mpu_wdt_ick = clk_get(&pdev->dev, "wdt2_ick");
-		if (IS_ERR(wdev->mpu_wdt_ick)) {
-			ret = PTR_ERR(wdev->mpu_wdt_ick);
-			wdev->mpu_wdt_ick = NULL;
-			goto err_clk;
-		}
-		wdev->mpu_wdt_fck = clk_get(&pdev->dev, "wdt2_fck");
-		if (IS_ERR(wdev->mpu_wdt_fck)) {
-			ret = PTR_ERR(wdev->mpu_wdt_fck);
-			wdev->mpu_wdt_fck = NULL;
-			goto err_clk;
-		}
-	}
 	wdev->base = ioremap(res->start, res->end - res->start + 1);
 	if (!wdev->base) {
 		ret = -ENOMEM;
@@ -380,12 +348,10 @@ err_ioremap:
 	wdev->base = NULL;
 
 err_clk:
-	if (wdev->armwdt_ck)
-		clk_put(wdev->armwdt_ck);
-	if (wdev->mpu_wdt_ick)
-		clk_put(wdev->mpu_wdt_ick);
-	if (wdev->mpu_wdt_fck)
-		clk_put(wdev->mpu_wdt_fck);
+	if (wdev->ick)
+		clk_put(wdev->ick);
+	if (wdev->fck)
+		clk_put(wdev->fck);
 	kfree(wdev);
 
 err_kzalloc:
@@ -417,20 +383,11 @@ static int omap_wdt_remove(struct platform_device *pdev)
 	release_mem_region(res->start, res->end - res->start + 1);
 	platform_set_drvdata(pdev, NULL);
 
-	if (wdev->armwdt_ck) {
-		clk_put(wdev->armwdt_ck);
-		wdev->armwdt_ck = NULL;
+	if (wdev->ick) {
+		clk_put(wdev->ick);
 	}
 
-	if (wdev->mpu_wdt_ick) {
-		clk_put(wdev->mpu_wdt_ick);
-		wdev->mpu_wdt_ick = NULL;
-	}
-
-	if (wdev->mpu_wdt_fck) {
-		clk_put(wdev->mpu_wdt_fck);
-		wdev->mpu_wdt_fck = NULL;
-	}
+	clk_put(wdev->fck);
 	iounmap(wdev->base);
 
 	kfree(wdev);