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authorSteven Whitehouse <swhiteho@redhat.com>2006-07-03 10:25:08 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-07-03 10:25:08 -0400
commit0a1340c185734a57fbf4775927966ad4a1347b02 (patch)
treed9ed8f0dd809a7c542a3356601125ea5b5aaa804 /drivers/rtc/interface.c
parentaf18ddb8864b096e3ed4732e2d4b21c956dcfe3a (diff)
parent29454dde27d8e340bb1987bad9aa504af7081eba (diff)
downloadlwn-0a1340c185734a57fbf4775927966ad4a1347b02.tar.gz
lwn-0a1340c185734a57fbf4775927966ad4a1347b02.zip
Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: include/linux/kernel.h
Diffstat (limited to 'drivers/rtc/interface.c')
-rw-r--r--drivers/rtc/interface.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 56e490709b87..579cd667b16f 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -229,6 +229,9 @@ int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int
unsigned long flags;
struct rtc_device *rtc = to_rtc_device(class_dev);
+ if (rtc->ops->irq_set_state == NULL)
+ return -ENXIO;
+
spin_lock_irqsave(&rtc->irq_task_lock, flags);
if (rtc->irq_task != task)
err = -ENXIO;
@@ -243,25 +246,12 @@ EXPORT_SYMBOL_GPL(rtc_irq_set_state);
int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int freq)
{
- int err = 0, tmp = 0;
+ int err = 0;
unsigned long flags;
struct rtc_device *rtc = to_rtc_device(class_dev);
- /* allowed range is 2-8192 */
- if (freq < 2 || freq > 8192)
- return -EINVAL;
-/*
- FIXME: this does not belong here, will move where appropriate
- at a later stage. It cannot hurt right now, trust me :)
- if ((freq > rtc_max_user_freq) && (!capable(CAP_SYS_RESOURCE)))
- return -EACCES;
-*/
- /* check if freq is a power of 2 */
- while (freq > (1 << tmp))
- tmp++;
-
- if (freq != (1 << tmp))
- return -EINVAL;
+ if (rtc->ops->irq_set_freq == NULL)
+ return -ENXIO;
spin_lock_irqsave(&rtc->irq_task_lock, flags);
if (rtc->irq_task != task)