diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 16:46:56 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 16:46:56 -0400 |
commit | 7b6181e06841f5ad15c4ff708b967b4db65a64de (patch) | |
tree | bdfcf5b74b692f76581156e452d268b64c795200 /drivers/watchdog | |
parent | 72e58063d63c5f0a7bf65312f1e3a5ed9bb5c2ff (diff) | |
parent | bc487fb341af05120bccb9f59ce76302391dcc77 (diff) |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (163 commits)
omap: complete removal of machine_desc.io_pg_offst and .phys_io
omap: UART: fix wakeup registers for OMAP24xx UART2
omap: Fix spotty MMC voltages
ASoC: OMAP4: MCPDM: Remove unnecessary include of plat/control.h
serial: omap-serial: fix signess error
OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish
omap: dma: Fix buffering disable bit setting for omap24xx
omap: serial: Fix the boot-up crash/reboot without CONFIG_PM
OMAP3: PM: fix scratchpad memory accesses for off-mode
omap4: pandaboard: enable the ehci port on pandaboard
omap4: pandaboard: Fix the init if CONFIG_MMC_OMAP_HS is not set
omap4: pandaboard: remove unused hsmmc definition
OMAP: McBSP: Remove null omap44xx ops comment
OMAP: McBSP: Swap CLKS source definition
OMAP: McBSP: Fix CLKR and FSR signal muxing
OMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks
OMAP: control: move plat-omap/control.h to mach-omap2/control.h
OMAP: split plat-omap/common.c
OMAP: McBSP: implement functional clock switching via clock framework
OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c
...
Fixed up trivial conflicts in arch/arm/mach-omap2/
{board-zoom-peripherals.c,devices.c} as per Tony
Diffstat (limited to 'drivers/watchdog')
-rw-r--r-- | drivers/watchdog/omap_wdt.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 81e3d6100894..3dd4971160ef 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c | |||
@@ -38,11 +38,11 @@ | |||
38 | #include <linux/err.h> | 38 | #include <linux/err.h> |
39 | #include <linux/platform_device.h> | 39 | #include <linux/platform_device.h> |
40 | #include <linux/moduleparam.h> | 40 | #include <linux/moduleparam.h> |
41 | #include <linux/clk.h> | ||
42 | #include <linux/bitops.h> | 41 | #include <linux/bitops.h> |
43 | #include <linux/io.h> | 42 | #include <linux/io.h> |
44 | #include <linux/uaccess.h> | 43 | #include <linux/uaccess.h> |
45 | #include <linux/slab.h> | 44 | #include <linux/slab.h> |
45 | #include <linux/pm_runtime.h> | ||
46 | #include <mach/hardware.h> | 46 | #include <mach/hardware.h> |
47 | #include <plat/prcm.h> | 47 | #include <plat/prcm.h> |
48 | 48 | ||
@@ -61,8 +61,6 @@ struct omap_wdt_dev { | |||
61 | void __iomem *base; /* physical */ | 61 | void __iomem *base; /* physical */ |
62 | struct device *dev; | 62 | struct device *dev; |
63 | int omap_wdt_users; | 63 | int omap_wdt_users; |
64 | struct clk *ick; | ||
65 | struct clk *fck; | ||
66 | struct resource *mem; | 64 | struct resource *mem; |
67 | struct miscdevice omap_wdt_miscdev; | 65 | struct miscdevice omap_wdt_miscdev; |
68 | }; | 66 | }; |
@@ -146,8 +144,7 @@ static int omap_wdt_open(struct inode *inode, struct file *file) | |||
146 | if (test_and_set_bit(1, (unsigned long *)&(wdev->omap_wdt_users))) | 144 | if (test_and_set_bit(1, (unsigned long *)&(wdev->omap_wdt_users))) |
147 | return -EBUSY; | 145 | return -EBUSY; |
148 | 146 | ||
149 | clk_enable(wdev->ick); /* Enable the interface clock */ | 147 | pm_runtime_get_sync(wdev->dev); |
150 | clk_enable(wdev->fck); /* Enable the functional clock */ | ||
151 | 148 | ||
152 | /* initialize prescaler */ | 149 | /* initialize prescaler */ |
153 | while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) | 150 | while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) |
@@ -177,8 +174,7 @@ static int omap_wdt_release(struct inode *inode, struct file *file) | |||
177 | 174 | ||
178 | omap_wdt_disable(wdev); | 175 | omap_wdt_disable(wdev); |
179 | 176 | ||
180 | clk_disable(wdev->ick); | 177 | pm_runtime_put_sync(wdev->dev); |
181 | clk_disable(wdev->fck); | ||
182 | #else | 178 | #else |
183 | printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n"); | 179 | printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n"); |
184 | #endif | 180 | #endif |
@@ -293,19 +289,7 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev) | |||
293 | 289 | ||
294 | wdev->omap_wdt_users = 0; | 290 | wdev->omap_wdt_users = 0; |
295 | wdev->mem = mem; | 291 | wdev->mem = mem; |
296 | 292 | wdev->dev = &pdev->dev; | |
297 | wdev->ick = clk_get(&pdev->dev, "ick"); | ||
298 | if (IS_ERR(wdev->ick)) { | ||
299 | ret = PTR_ERR(wdev->ick); | ||
300 | wdev->ick = NULL; | ||
301 | goto err_clk; | ||
302 | } | ||
303 | wdev->fck = clk_get(&pdev->dev, "fck"); | ||
304 | if (IS_ERR(wdev->fck)) { | ||
305 | ret = PTR_ERR(wdev->fck); | ||
306 | wdev->fck = NULL; | ||
307 | goto err_clk; | ||
308 | } | ||
309 | 293 | ||
310 | wdev->base = ioremap(res->start, resource_size(res)); | 294 | wdev->base = ioremap(res->start, resource_size(res)); |
311 | if (!wdev->base) { | 295 | if (!wdev->base) { |
@@ -315,8 +299,8 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev) | |||
315 | 299 | ||
316 | platform_set_drvdata(pdev, wdev); | 300 | platform_set_drvdata(pdev, wdev); |
317 | 301 | ||
318 | clk_enable(wdev->ick); | 302 | pm_runtime_enable(wdev->dev); |
319 | clk_enable(wdev->fck); | 303 | pm_runtime_get_sync(wdev->dev); |
320 | 304 | ||
321 | omap_wdt_disable(wdev); | 305 | omap_wdt_disable(wdev); |
322 | omap_wdt_adjust_timeout(timer_margin); | 306 | omap_wdt_adjust_timeout(timer_margin); |
@@ -334,11 +318,7 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev) | |||
334 | __raw_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF, | 318 | __raw_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF, |
335 | timer_margin); | 319 | timer_margin); |
336 | 320 | ||
337 | /* autogate OCP interface clock */ | 321 | pm_runtime_put_sync(wdev->dev); |
338 | __raw_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG); | ||
339 | |||
340 | clk_disable(wdev->ick); | ||
341 | clk_disable(wdev->fck); | ||
342 | 322 | ||
343 | omap_wdt_dev = pdev; | 323 | omap_wdt_dev = pdev; |
344 | 324 | ||
@@ -350,12 +330,6 @@ err_misc: | |||
350 | 330 | ||
351 | err_ioremap: | 331 | err_ioremap: |
352 | wdev->base = NULL; | 332 | wdev->base = NULL; |
353 | |||
354 | err_clk: | ||
355 | if (wdev->ick) | ||
356 | clk_put(wdev->ick); | ||
357 | if (wdev->fck) | ||
358 | clk_put(wdev->fck); | ||
359 | kfree(wdev); | 333 | kfree(wdev); |
360 | 334 | ||
361 | err_kzalloc: | 335 | err_kzalloc: |
@@ -387,8 +361,6 @@ static int __devexit omap_wdt_remove(struct platform_device *pdev) | |||
387 | release_mem_region(res->start, resource_size(res)); | 361 | release_mem_region(res->start, resource_size(res)); |
388 | platform_set_drvdata(pdev, NULL); | 362 | platform_set_drvdata(pdev, NULL); |
389 | 363 | ||
390 | clk_put(wdev->ick); | ||
391 | clk_put(wdev->fck); | ||
392 | iounmap(wdev->base); | 364 | iounmap(wdev->base); |
393 | 365 | ||
394 | kfree(wdev); | 366 | kfree(wdev); |