diff options
author | Justin Waters <justin.waters@timesys.com> | 2008-02-26 13:07:02 -0500 |
---|---|---|
committer | Justin Waters <justin.waters@timesys.com> | 2008-02-26 13:07:02 -0500 |
commit | b80a32b9cc634adfa8eaef33ec981e7febf2ade2 (patch) | |
tree | f256bce13ba11f514a388160df84e1410bedbe2b /drivers/char/genrtc.c | |
parent | 594133ef22fae0d737bd1b57352cf3f48a192c63 (diff) |
Update the i.MX31 Kernel to 2.6.232.6.23-mx31ads-2008022618072.6.23-mx31-200802261807
This is the result of a brute-force attempt to update the kernel to 2.6.23.
Now that we have a git tree, our effort will be a little nicer in the future.
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'drivers/char/genrtc.c')
-rw-r--r-- | drivers/char/genrtc.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c index 9e1fc02967ff..69f0a2993af0 100644 --- a/drivers/char/genrtc.c +++ b/drivers/char/genrtc.c @@ -173,7 +173,6 @@ static void gen_rtc_interrupt(unsigned long arg) static ssize_t gen_rtc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - DECLARE_WAITQUEUE(wait, current); unsigned long data; ssize_t retval; @@ -183,18 +182,10 @@ static ssize_t gen_rtc_read(struct file *file, char __user *buf, if (file->f_flags & O_NONBLOCK && !gen_rtc_irq_data) return -EAGAIN; - add_wait_queue(&gen_rtc_wait, &wait); - retval = -ERESTARTSYS; - - while (1) { - set_current_state(TASK_INTERRUPTIBLE); - data = xchg(&gen_rtc_irq_data, 0); - if (data) - break; - if (signal_pending(current)) - goto out; - schedule(); - } + retval = wait_event_interruptible(gen_rtc_wait, + (data = xchg(&gen_rtc_irq_data, 0))); + if (retval) + goto out; /* first test allows optimizer to nuke this case for 32-bit machines */ if (sizeof (int) != sizeof (long) && count == sizeof (unsigned int)) { @@ -206,10 +197,7 @@ static ssize_t gen_rtc_read(struct file *file, char __user *buf, retval = put_user(data, (unsigned long __user *)buf) ?: sizeof(unsigned long); } - out: - __set_current_state(TASK_RUNNING); - remove_wait_queue(&gen_rtc_wait, &wait); - +out: return retval; } |