diff options
author | Paul Mundt <lethal@linux-sh.org> | 2008-10-20 11:17:52 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-10-20 11:17:52 +0900 |
commit | 4cb40f795af36b3deb743f6ccf6c3fd542c61c8d (patch) | |
tree | db3d7519932549bf528f5b8e4cb8350356cd544d /drivers/rtc/rtc-dev.c | |
parent | 79ed2a9216dd3cc35c4f2c5dbaddadb195af83ac (diff) | |
parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/kernel-parameters.txt
arch/sh/include/asm/elf.h
Diffstat (limited to 'drivers/rtc/rtc-dev.c')
-rw-r--r-- | drivers/rtc/rtc-dev.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index f118252f3a9f..079e9ed907e0 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -422,28 +422,37 @@ done: return err; } +static int rtc_dev_fasync(int fd, struct file *file, int on) +{ + struct rtc_device *rtc = file->private_data; + return fasync_helper(fd, file, on, &rtc->async_queue); +} + static int rtc_dev_release(struct inode *inode, struct file *file) { struct rtc_device *rtc = file->private_data; -#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL - clear_uie(rtc); -#endif + /* We shut down the repeating IRQs that userspace enabled, + * since nothing is listening to them. + * - Update (UIE) ... currently only managed through ioctls + * - Periodic (PIE) ... also used through rtc_*() interface calls + * + * Leave the alarm alone; it may be set to trigger a system wakeup + * later, or be used by kernel code, and is a one-shot event anyway. + */ + rtc_dev_ioctl(file, RTC_UIE_OFF, 0); rtc_irq_set_state(rtc, NULL, 0); if (rtc->ops->release) rtc->ops->release(rtc->dev.parent); + if (file->f_flags & FASYNC) + rtc_dev_fasync(-1, file, 0); + clear_bit_unlock(RTC_DEV_BUSY, &rtc->flags); return 0; } -static int rtc_dev_fasync(int fd, struct file *file, int on) -{ - struct rtc_device *rtc = file->private_data; - return fasync_helper(fd, file, on, &rtc->async_queue); -} - static const struct file_operations rtc_dev_fops = { .owner = THIS_MODULE, .llseek = no_llseek, |