diff options
| author |   Mark Zhan <rongkai.zhan@windriver.com> | 2007-10-16 01:28:17 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:13 -0700 |
| commit | 88efe137394f58fb5893013e123e4bcf444fd44b (patch) | |
| tree | 0db4b0a83b48101b52d597efb40d1a117ce1140e /drivers/rtc | |
| parent | rtc_irq_set_freq() requires power-of-two and associated kerneldoc (diff) | |
| download | linux-dev-88efe137394f58fb5893013e123e4bcf444fd44b.tar.xz linux-dev-88efe137394f58fb5893013e123e4bcf444fd44b.zip | |
rtc-dev: no need to convert file->private_data to rtc device
In rtc-dev.c, when a rtc device is opened, file->private_data is already
attached with the rtc device pointer, so there is no need to call
to_rtc_device() to convert file->private_data to a rtc device pointer.
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Mark Zhan <rongkai.zhan@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-dev.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 362400db2e8b..87d4add6b7f6 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -142,7 +142,7 @@ static int set_uie(struct rtc_device *rtc) static ssize_t rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct rtc_device *rtc = to_rtc_device(file->private_data); + struct rtc_device *rtc = file->private_data; DECLARE_WAITQUEUE(wait, current); unsigned long data; @@ -196,7 +196,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) static unsigned int rtc_dev_poll(struct file *file, poll_table *wait) { - struct rtc_device *rtc = to_rtc_device(file->private_data); + struct rtc_device *rtc = file->private_data; unsigned long data; poll_wait(file, &rtc->irq_queue, wait); @@ -396,7 +396,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, static int rtc_dev_release(struct inode *inode, struct file *file) { - struct rtc_device *rtc = to_rtc_device(file->private_data); + struct rtc_device *rtc = file->private_data; #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL clear_uie(rtc); @@ -410,7 +410,7 @@ static int rtc_dev_release(struct inode *inode, struct file *file) static int rtc_dev_fasync(int fd, struct file *file, int on) { - struct rtc_device *rtc = to_rtc_device(file->private_data); + struct rtc_device *rtc = file->private_data; return fasync_helper(fd, file, on, &rtc->async_queue); } |