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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-03-19 12:39:58 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-03-19 12:39:58 +0000
commit14b6848bc0134b8838d374c423df3edda9b1490e (patch)
tree724dc912efe84f432d33a798502811c5f5295774 /drivers
parent05d9881bc4c6f172997b7a59e4a1a95910c4ebd7 (diff)
parent4da3782151300237db3abe070f716922889252e0 (diff)
Merge branch 'omap-clks3' into devel
Conflicts: arch/arm/mach-omap2/clock.c
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/hw_random/omap-rng.c2
-rw-r--r--drivers/i2c/busses/i2c-omap.c47
-rw-r--r--drivers/media/video/omap24xxcam.c8
-rw-r--r--drivers/mmc/host/omap.c24
-rw-r--r--drivers/mmc/host/omap_hsmmc.c4
-rw-r--r--drivers/spi/omap2_mcspi.c4
-rw-r--r--drivers/spi/omap_uwire.c9
-rw-r--r--drivers/w1/masters/omap_hdq.c4
-rw-r--r--drivers/watchdog/omap_wdt.c94
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);