Merge branch 'omap-clks3' into devel

Conflicts:

	arch/arm/mach-omap2/clock.c

9 files changed, 69 insertions, 127 deletions

diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index ba68a4671cb5..538313f9e7ac 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -102,7 +102,7 @@ static int __init omap_rng_probe(struct platform_device *pdev)
 		return -EBUSY;
 
 	if (cpu_is_omap24xx()) {
-		rng_ick = clk_get(&pdev->dev, "rng_ick");
+		rng_ick = clk_get(&pdev->dev, "ick");
 		if (IS_ERR(rng_ick)) {
 			dev_err(&pdev->dev, "Could not get rng_ick\n");
 			ret = PTR_ERR(rng_ick);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index be8ee2cac8bb..ece0125a1ee5 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -193,22 +193,24 @@ static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg)
 
 static int __init omap_i2c_get_clocks(struct omap_i2c_dev *dev)
 {
-	if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
-		dev->iclk = clk_get(dev->dev, "i2c_ick");
-		if (IS_ERR(dev->iclk)) {
-			dev->iclk = NULL;
-			return -ENODEV;
-		}
+	int ret;
+
+	dev->iclk = clk_get(dev->dev, "ick");
+	if (IS_ERR(dev->iclk)) {
+		ret = PTR_ERR(dev->iclk);
+		dev->iclk = NULL;
+		return ret;
 	}
 
-	dev->fclk = clk_get(dev->dev, "i2c_fck");
+	dev->fclk = clk_get(dev->dev, "fck");
 	if (IS_ERR(dev->fclk)) {
+		ret = PTR_ERR(dev->fclk);
 		if (dev->iclk != NULL) {
 			clk_put(dev->iclk);
 			dev->iclk = NULL;
 		}
 		dev->fclk = NULL;
-		return -ENODEV;
+		return ret;
 	}
 
 	return 0;
@@ -218,18 +220,15 @@ static void omap_i2c_put_clocks(struct omap_i2c_dev *dev)
 {
 	clk_put(dev->fclk);
 	dev->fclk = NULL;
-	if (dev->iclk != NULL) {
-		clk_put(dev->iclk);
-		dev->iclk = NULL;
-	}
+	clk_put(dev->iclk);
+	dev->iclk = NULL;
 }
 
 static void omap_i2c_unidle(struct omap_i2c_dev *dev)
 {
 	WARN_ON(!dev->idle);
 
-	if (dev->iclk != NULL)
-		clk_enable(dev->iclk);
+	clk_enable(dev->iclk);
 	clk_enable(dev->fclk);
 	dev->idle = 0;
 	if (dev->iestate)
@@ -254,8 +253,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev)
 	}
 	dev->idle = 1;
 	clk_disable(dev->fclk);
-	if (dev->iclk != NULL)
-		clk_disable(dev->iclk);
+	clk_disable(dev->iclk);
 }
 
 static int omap_i2c_init(struct omap_i2c_dev *dev)
@@ -312,15 +310,14 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
 
 	if (cpu_class_is_omap1()) {
-		struct clk *armxor_ck;
-
-		armxor_ck = clk_get(NULL, "armxor_ck");
-		if (IS_ERR(armxor_ck))
-			dev_warn(dev->dev, "Could not get armxor_ck\n");
-		else {
-			fclk_rate = clk_get_rate(armxor_ck);
-			clk_put(armxor_ck);
-		}
+		/*
+		 * The I2C functional clock is the armxor_ck, so there's
+		 * no need to get "armxor_ck" separately.  Now, if OMAP2420
+		 * always returns 12MHz for the functional clock, we can
+		 * do this bit unconditionally.
+		 */
+		fclk_rate = clk_get_rate(dev->fclk);
+
 		/* TRM for 5912 says the I2C clock must be prescaled to be
 		 * between 7 - 12 MHz. The XOR input clock is typically
 		 * 12, 13 or 19.2 MHz. So we should have code that produces:
diff --git a/drivers/media/video/omap24xxcam.c b/drivers/media/video/omap24xxcam.c
index 73eb656acfe3..805faaea6449 100644
--- a/drivers/media/video/omap24xxcam.c
+++ b/drivers/media/video/omap24xxcam.c
@@ -80,17 +80,17 @@ static int omap24xxcam_clock_get(struct omap24xxcam_device *cam)
 {
 	int rval = 0;
 
-	cam->fck = clk_get(cam->dev, "cam_fck");
+	cam->fck = clk_get(cam->dev, "fck");
 	if (IS_ERR(cam->fck)) {
-		dev_err(cam->dev, "can't get cam_fck");
+		dev_err(cam->dev, "can't get camera fck");
 		rval = PTR_ERR(cam->fck);
 		omap24xxcam_clock_put(cam);
 		return rval;
 	}
 
-	cam->ick = clk_get(cam->dev, "cam_ick");
+	cam->ick = clk_get(cam->dev, "ick");
 	if (IS_ERR(cam->ick)) {
-		dev_err(cam->dev, "can't get cam_ick");
+		dev_err(cam->dev, "can't get camera ick");
 		rval = PTR_ERR(cam->ick);
 		omap24xxcam_clock_put(cam);
 	}
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 67d7b7fef084..5570849188cc 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1460,18 +1460,12 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 	if (!host->virt_base)
 		goto err_ioremap;
 
-	if (cpu_is_omap24xx()) {
-		host->iclk = clk_get(&pdev->dev, "mmc_ick");
-		if (IS_ERR(host->iclk))
-			goto err_free_mmc_host;
-		clk_enable(host->iclk);
-	}
-
-	if (!cpu_is_omap24xx())
-		host->fclk = clk_get(&pdev->dev, "mmc_ck");
-	else
-		host->fclk = clk_get(&pdev->dev, "mmc_fck");
+	host->iclk = clk_get(&pdev->dev, "ick");
+	if (IS_ERR(host->iclk))
+		goto err_free_mmc_host;
+	clk_enable(host->iclk);
 
+	host->fclk = clk_get(&pdev->dev, "fck");
 	if (IS_ERR(host->fclk)) {
 		ret = PTR_ERR(host->fclk);
 		goto err_free_iclk;
@@ -1536,10 +1530,10 @@ static int mmc_omap_remove(struct platform_device *pdev)
 	if (host->pdata->cleanup)
 		host->pdata->cleanup(&pdev->dev);
 
-	if (host->iclk && !IS_ERR(host->iclk))
-		clk_put(host->iclk);
-	if (host->fclk && !IS_ERR(host->fclk))
-		clk_put(host->fclk);
+	mmc_omap_fclk_enable(host, 0);
+	clk_put(host->fclk);
+	clk_disable(host->iclk);
+	clk_put(host->iclk);
 
 	iounmap(host->virt_base);
 	release_mem_region(pdev->resource[0].start,
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index a631c81dce12..3916a5618e28 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -956,13 +956,13 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
 
 	sema_init(&host->sem, 1);
 
-	host->iclk = clk_get(&pdev->dev, "mmchs_ick");
+	host->iclk = clk_get(&pdev->dev, "ick");
 	if (IS_ERR(host->iclk)) {
 		ret = PTR_ERR(host->iclk);
 		host->iclk = NULL;
 		goto err1;
 	}
-	host->fclk = clk_get(&pdev->dev, "mmchs_fck");
+	host->fclk = clk_get(&pdev->dev, "fck");
 	if (IS_ERR(host->fclk)) {
 		ret = PTR_ERR(host->fclk);
 		host->fclk = NULL;
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 454a2712e629..b91ee1ae975d 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -1021,13 +1021,13 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
 	spin_lock_init(&mcspi->lock);
 	INIT_LIST_HEAD(&mcspi->msg_queue);
 
-	mcspi->ick = clk_get(&pdev->dev, "mcspi_ick");
+	mcspi->ick = clk_get(&pdev->dev, "ick");
 	if (IS_ERR(mcspi->ick)) {
 		dev_dbg(&pdev->dev, "can't get mcspi_ick\n");
 		status = PTR_ERR(mcspi->ick);
 		goto err1a;
 	}
-	mcspi->fck = clk_get(&pdev->dev, "mcspi_fck");
+	mcspi->fck = clk_get(&pdev->dev, "fck");
 	if (IS_ERR(mcspi->fck)) {
 		dev_dbg(&pdev->dev, "can't get mcspi_fck\n");
 		status = PTR_ERR(mcspi->fck);
diff --git a/drivers/spi/omap_uwire.c b/drivers/spi/omap_uwire.c
index bab6ff061e91..394b616eafe3 100644
--- a/drivers/spi/omap_uwire.c
+++ b/drivers/spi/omap_uwire.c
@@ -506,11 +506,12 @@ static int __init uwire_probe(struct platform_device *pdev)
 
 	dev_set_drvdata(&pdev->dev, uwire);
 
-	uwire->ck = clk_get(&pdev->dev, "armxor_ck");
-	if (!uwire->ck || IS_ERR(uwire->ck)) {
-		dev_dbg(&pdev->dev, "no mpu_xor_clk ?\n");
+	uwire->ck = clk_get(&pdev->dev, "fck");
+	if (IS_ERR(uwire->ck)) {
+		status = PTR_ERR(uwire->ck);
+		dev_dbg(&pdev->dev, "no functional clock?\n");
 		spi_master_put(master);
-		return -ENODEV;
+		return status;
 	}
 	clk_enable(uwire->ck);
 
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index c973889110c8..a7e3b706b9d3 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -590,8 +590,8 @@ static int __init omap_hdq_probe(struct platform_device *pdev)
 	}
 
 	/* get interface & functional clock objects */
-	hdq_data->hdq_ick = clk_get(&pdev->dev, "hdq_ick");
-	hdq_data->hdq_fck = clk_get(&pdev->dev, "hdq_fck");
+	hdq_data->hdq_ick = clk_get(&pdev->dev, "ick");
+	hdq_data->hdq_fck = clk_get(&pdev->dev, "fck");
 
 	if (IS_ERR(hdq_data->hdq_ick) || IS_ERR(hdq_data->hdq_fck)) {
 		dev_dbg(&pdev->dev, "Can't get HDQ clock objects\n");
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 2f2ce7429f5b..aa5ad6e33f02 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 +145,8 @@ 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 */
-	}
+	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 +175,8 @@ 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 */
-	}
+	clk_disable(wdev->ick);
+	clk_disable(wdev->fck);
 #else
 	printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n");
 #endif
@@ -303,44 +292,19 @@ 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;
-			goto err_clk;
-		}
+	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 +344,10 @@ 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 +379,8 @@ 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->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->ick);
+	clk_put(wdev->fck);
 	iounmap(wdev->base);
 
 	kfree(wdev);