diff options
Diffstat (limited to 'drivers/char/watchdog/s3c2410_wdt.c')
| -rw-r--r-- | drivers/char/watchdog/s3c2410_wdt.c | 57 |
1 files changed, 27 insertions, 30 deletions
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c index 3625b2601b4..eb667daee19 100644 --- a/drivers/char/watchdog/s3c2410_wdt.c +++ b/drivers/char/watchdog/s3c2410_wdt.c @@ -44,7 +44,7 @@ #include <linux/watchdog.h> #include <linux/fs.h> #include <linux/init.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/interrupt.h> #include <asm/uaccess.h> @@ -347,15 +347,14 @@ static irqreturn_t s3c2410wdt_irq(int irqno, void *param, } /* device interface */ -static int s3c2410wdt_probe(struct device *dev) +static int s3c2410wdt_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *res; int started = 0; int ret; int size; - DBG("%s: probe=%p, device=%p\n", __FUNCTION__, pdev, dev); + DBG("%s: probe=%p\n", __FUNCTION__, pdev); /* get the memory region for the watchdog timer */ @@ -386,13 +385,13 @@ static int s3c2410wdt_probe(struct device *dev) return -ENOENT; } - ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, dev); + ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, pdev); if (ret != 0) { printk(KERN_INFO PFX "failed to install irq (%d)\n", ret); return ret; } - wdt_clock = clk_get(dev, "watchdog"); + wdt_clock = clk_get(&pdev->dev, "watchdog"); if (wdt_clock == NULL) { printk(KERN_INFO PFX "failed to find watchdog clock source\n"); return -ENOENT; @@ -430,7 +429,7 @@ static int s3c2410wdt_probe(struct device *dev) return 0; } -static int s3c2410wdt_remove(struct device *dev) +static int s3c2410wdt_remove(struct platform_device *dev) { if (wdt_mem != NULL) { release_resource(wdt_mem); @@ -454,7 +453,7 @@ static int s3c2410wdt_remove(struct device *dev) return 0; } -static void s3c2410wdt_shutdown(struct device *dev) +static void s3c2410wdt_shutdown(struct platform_device *dev) { s3c2410wdt_stop(); } @@ -464,32 +463,28 @@ static void s3c2410wdt_shutdown(struct device *dev) static unsigned long wtcon_save; static unsigned long wtdat_save; -static int s3c2410wdt_suspend(struct device *dev, pm_message_t state, u32 level) +static int s3c2410wdt_suspend(struct platform_device *dev, pm_message_t state) { - if (level == SUSPEND_POWER_DOWN) { - /* Save watchdog state, and turn it off. */ - wtcon_save = readl(wdt_base + S3C2410_WTCON); - wtdat_save = readl(wdt_base + S3C2410_WTDAT); + /* Save watchdog state, and turn it off. */ + wtcon_save = readl(wdt_base + S3C2410_WTCON); + wtdat_save = readl(wdt_base + S3C2410_WTDAT); - /* Note that WTCNT doesn't need to be saved. */ - s3c2410wdt_stop(); - } + /* Note that WTCNT doesn't need to be saved. */ + s3c2410wdt_stop(); return 0; } -static int s3c2410wdt_resume(struct device *dev, u32 level) +static int s3c2410wdt_resume(struct platform_device *dev) { - if (level == RESUME_POWER_ON) { - /* Restore watchdog state. */ + /* Restore watchdog state. */ - writel(wtdat_save, wdt_base + S3C2410_WTDAT); - writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */ - writel(wtcon_save, wdt_base + S3C2410_WTCON); + writel(wtdat_save, wdt_base + S3C2410_WTDAT); + writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */ + writel(wtcon_save, wdt_base + S3C2410_WTCON); - printk(KERN_INFO PFX "watchdog %sabled\n", - (wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis"); - } + printk(KERN_INFO PFX "watchdog %sabled\n", + (wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis"); return 0; } @@ -500,14 +495,16 @@ static int s3c2410wdt_resume(struct device *dev, u32 level) #endif /* CONFIG_PM */ -static struct device_driver s3c2410wdt_driver = { - .name = "s3c2410-wdt", - .bus = &platform_bus_type, +static struct platform_driver s3c2410wdt_driver = { .probe = s3c2410wdt_probe, .remove = s3c2410wdt_remove, .shutdown = s3c2410wdt_shutdown, .suspend = s3c2410wdt_suspend, .resume = s3c2410wdt_resume, + .driver = { + .owner = THIS_MODULE, + .name = "s3c2410-wdt", + }, }; @@ -516,12 +513,12 @@ static char banner[] __initdata = KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Si static int __init watchdog_init(void) { printk(banner); - return driver_register(&s3c2410wdt_driver); + return platform_driver_register(&s3c2410wdt_driver); } static void __exit watchdog_exit(void) { - driver_unregister(&s3c2410wdt_driver); + platform_driver_unregister(&s3c2410wdt_driver); } module_init(watchdog_init); |