diff options
Diffstat (limited to 'drivers/rtc/rtc-parisc.c')
-rw-r--r-- | drivers/rtc/rtc-parisc.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/drivers/rtc/rtc-parisc.c b/drivers/rtc/rtc-parisc.c deleted file mode 100644 index c6bfa6fe1a2..00000000000 --- a/drivers/rtc/rtc-parisc.c +++ /dev/null @@ -1,112 +0,0 @@ -/* rtc-parisc: RTC for HP PA-RISC firmware - * - * Copyright (C) 2008 Kyle McMartin <kyle@mcmartin.ca> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/time.h> -#include <linux/platform_device.h> - -#include <asm/rtc.h> - -/* as simple as can be, and no simpler. */ -struct parisc_rtc { - struct rtc_device *rtc; - spinlock_t lock; -}; - -static int parisc_get_time(struct device *dev, struct rtc_time *tm) -{ - struct parisc_rtc *p = dev_get_drvdata(dev); - unsigned long flags, ret; - - spin_lock_irqsave(&p->lock, flags); - ret = get_rtc_time(tm); - spin_unlock_irqrestore(&p->lock, flags); - - if (ret & RTC_BATT_BAD) - return -EOPNOTSUPP; - - return 0; -} - -static int parisc_set_time(struct device *dev, struct rtc_time *tm) -{ - struct parisc_rtc *p = dev_get_drvdata(dev); - unsigned long flags; - int ret; - - spin_lock_irqsave(&p->lock, flags); - ret = set_rtc_time(tm); - spin_unlock_irqrestore(&p->lock, flags); - - if (ret < 0) - return -EOPNOTSUPP; - - return 0; -} - -static const struct rtc_class_ops parisc_rtc_ops = { - .read_time = parisc_get_time, - .set_time = parisc_set_time, -}; - -static int __devinit parisc_rtc_probe(struct platform_device *dev) -{ - struct parisc_rtc *p; - - p = kzalloc(sizeof (*p), GFP_KERNEL); - if (!p) - return -ENOMEM; - - spin_lock_init(&p->lock); - - p->rtc = rtc_device_register("rtc-parisc", &dev->dev, &parisc_rtc_ops, - THIS_MODULE); - if (IS_ERR(p->rtc)) { - int err = PTR_ERR(p->rtc); - kfree(p); - return err; - } - - platform_set_drvdata(dev, p); - - return 0; -} - -static int __devexit parisc_rtc_remove(struct platform_device *dev) -{ - struct parisc_rtc *p = platform_get_drvdata(dev); - - rtc_device_unregister(p->rtc); - kfree(p); - - return 0; -} - -static struct platform_driver parisc_rtc_driver = { - .driver = { - .name = "rtc-parisc", - .owner = THIS_MODULE, - }, - .probe = parisc_rtc_probe, - .remove = __devexit_p(parisc_rtc_remove), -}; - -static int __init parisc_rtc_init(void) -{ - return platform_driver_register(&parisc_rtc_driver); -} - -static void __exit parisc_rtc_fini(void) -{ - platform_driver_unregister(&parisc_rtc_driver); -} - -module_init(parisc_rtc_init); -module_exit(parisc_rtc_fini); - -MODULE_AUTHOR("Kyle McMartin <kyle@mcmartin.ca>"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("HP PA-RISC RTC driver"); |