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path: root/drivers/char/rtc.c
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Diffstat (limited to 'drivers/char/rtc.c')
-rw-r--r--drivers/char/rtc.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index dfa8b3062fd..35259961cc3 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -57,8 +57,8 @@
* Note that *all* calls to CMOS_READ and CMOS_WRITE are done with
* interrupts disabled. Due to the index-port/data-port (0x70/0x71)
* design of the RTC, we don't want two different things trying to
- * get to it at once. (e.g. the periodic 11 min sync from time.c vs.
- * this driver.)
+ * get to it at once. (e.g. the periodic 11 min sync from
+ * kernel/time/ntp.c vs. this driver.)
*/
#include <linux/interrupt.h>
@@ -80,9 +80,9 @@
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/uaccess.h>
+#include <linux/ratelimit.h>
#include <asm/current.h>
-#include <asm/system.h>
#ifdef CONFIG_X86
#include <asm/hpet.h>
@@ -227,7 +227,7 @@ static inline unsigned char rtc_is_updating(void)
#ifdef RTC_IRQ
/*
- * A very tiny interrupt handler. It runs with IRQF_DISABLED set,
+ * A very tiny interrupt handler. It runs with interrupts disabled,
* but there is possibility of conflicting with the set_rtc_mmss()
* call (the rtc irq and the timer irq can easily run at the same
* time in two different CPUs). So we need to serialize
@@ -280,7 +280,7 @@ static irqreturn_t rtc_interrupt(int irq, void *dev_id)
/*
* sysctl-tuning infrastructure.
*/
-static ctl_table rtc_table[] = {
+static struct ctl_table rtc_table[] = {
{
.procname = "max-user-freq",
.data = &rtc_max_user_freq,
@@ -291,7 +291,7 @@ static ctl_table rtc_table[] = {
{ }
};
-static ctl_table rtc_root[] = {
+static struct ctl_table rtc_root[] = {
{
.procname = "rtc",
.mode = 0555,
@@ -300,7 +300,7 @@ static ctl_table rtc_root[] = {
{ }
};
-static ctl_table dev_root[] = {
+static struct ctl_table dev_root[] = {
{
.procname = "dev",
.mode = 0555,
@@ -411,7 +411,7 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
case RTC_IRQP_READ:
case RTC_IRQP_SET:
return -EINVAL;
- };
+ }
}
#endif
@@ -1040,8 +1040,7 @@ no_irq:
rtc_int_handler_ptr = rtc_interrupt;
}
- if (request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED,
- "rtc", NULL)) {
+ if (request_irq(RTC_IRQ, rtc_int_handler_ptr, 0, "rtc", NULL)) {
/* Yeah right, seeing as irq 8 doesn't even hit the bus. */
rtc_has_irq = 0;
printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ);
@@ -1195,10 +1194,8 @@ static void rtc_dropped_irq(unsigned long data)
spin_unlock_irq(&rtc_lock);
- if (printk_ratelimit()) {
- printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
- freq);
- }
+ printk_ratelimited(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
+ freq);
/* Now we have new data */
wake_up_interruptible(&rtc_wait);