1 files changed, 49 insertions, 30 deletions

diff --git a/drivers/rtc/rtc-at91.c b/drivers/rtc/rtc-at91.c
index b03aba5f39eb..b676f443c17e 100644
--- a/drivers/rtc/rtc-at91.c
+++ b/drivers/rtc/rtc-at91.c
@@ -40,11 +40,11 @@
 static DECLARE_COMPLETION(at91_rtc_updated);
 static unsigned int at91_alarm_year = AT91_RTC_EPOCH;
 
-
 /*
  * Decode time/date into rtc_time structure
  */
-static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, struct rtc_time *tm)
+static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg,
+                                struct rtc_time *tm)
 {
         unsigned int time, date;
 
@@ -52,7 +52,8 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, struc
         do {
                 time = at91_sys_read(timereg);
                 date = at91_sys_read(calreg);
-        } while ((time != at91_sys_read(timereg)) || (date != at91_sys_read(calreg)));
+        } while ((time != at91_sys_read(timereg)) ||
+                        (date != at91_sys_read(calreg)));
 
         tm->tm_sec  = BCD2BIN((time & AT91_RTC_SEC) >> 0);
         tm->tm_min  = BCD2BIN((time & AT91_RTC_MIN) >> 8);
@@ -63,8 +64,8 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, struc
          * the year - so these will return an invalid value.  When an
          * alarm is set, at91_alarm_year wille store the current year.
          */
-        tm->tm_year  = BCD2BIN(date & AT91_RTC_CENT) * 100;             /* century */
-        tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8);            /* year */
+        tm->tm_year  = BCD2BIN(date & AT91_RTC_CENT) * 100;     /* century */
+        tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8);    /* year */
 
         tm->tm_wday = BCD2BIN((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */
         tm->tm_mon  = BCD2BIN((date & AT91_RTC_MONTH) >> 16) - 1;
@@ -81,7 +82,8 @@ static int at91_rtc_readtime(struct device *dev, struct rtc_time *tm)
         tm->tm_year = tm->tm_year - 1900;
 
         pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__,
-                1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+                1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
+                tm->tm_hour, tm->tm_min, tm->tm_sec);
 
         return 0;
 }
@@ -94,14 +96,15 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
         unsigned long cr;
 
         pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__,
-                1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+                1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
+                tm->tm_hour, tm->tm_min, tm->tm_sec);
 
         /* Stop Time/Calendar from counting */
         cr = at91_sys_read(AT91_RTC_CR);
         at91_sys_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM);
 
         at91_sys_write(AT91_RTC_IER, AT91_RTC_ACKUPD);
-        wait_for_completion(&at91_rtc_updated);         /* wait for ACKUPD interrupt */
+        wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */
         at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
 
         at91_sys_write(AT91_RTC_TIMR,
@@ -110,10 +113,10 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
                         | BIN2BCD(tm->tm_hour) << 16);
 
         at91_sys_write(AT91_RTC_CALR,
-                          BIN2BCD((tm->tm_year + 1900) / 100)           /* century */
-                        | BIN2BCD(tm->tm_year % 100) << 8               /* year */
-                        | BIN2BCD(tm->tm_mon + 1) << 16                 /* tm_mon starts at zero */
-                        | BIN2BCD(tm->tm_wday + 1) << 21                /* day of the week [0-6], Sunday=0 */
+                          BIN2BCD((tm->tm_year + 1900) / 100)   /* century */
+                        | BIN2BCD(tm->tm_year % 100) << 8       /* year */
+                        | BIN2BCD(tm->tm_mon + 1) << 16         /* tm_mon starts at zero */
+                        | BIN2BCD(tm->tm_wday + 1) << 21        /* day of the week [0-6], Sunday=0 */
                         | BIN2BCD(tm->tm_mday) << 24);
 
         /* Restart Time/Calendar */
@@ -135,7 +138,8 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
         tm->tm_year = at91_alarm_year - 1900;
 
         pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__,
-                1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+                1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
+                tm->tm_hour, tm->tm_min, tm->tm_sec);
 
         return 0;
 }
@@ -166,7 +170,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
                 | AT91_RTC_DATEEN | AT91_RTC_MTHEN);
 
         pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__,
-                at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
+                at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour,
+                tm.tm_min, tm.tm_sec);
 
         return 0;
 }
@@ -174,7 +179,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 /*
  * Handle commands from user-space
  */
-static int at91_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
+                        unsigned long arg)
 {
         int ret = 0;
 
@@ -217,10 +223,14 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
 {
         unsigned long imr = at91_sys_read(AT91_RTC_IMR);
 
-        seq_printf(seq, "alarm_IRQ\t: %s\n", (imr & AT91_RTC_ALARM) ? "yes" : "no");
-        seq_printf(seq, "update_IRQ\t: %s\n", (imr & AT91_RTC_ACKUPD) ? "yes" : "no");
-        seq_printf(seq, "periodic_IRQ\t: %s\n", (imr & AT91_RTC_SECEV) ? "yes" : "no");
-        seq_printf(seq, "periodic_freq\t: %ld\n", (unsigned long) AT91_RTC_FREQ);
+        seq_printf(seq, "alarm_IRQ\t: %s\n",
+                        (imr & AT91_RTC_ALARM) ? "yes" : "no");
+        seq_printf(seq, "update_IRQ\t: %s\n",
+                        (imr & AT91_RTC_ACKUPD) ? "yes" : "no");
+        seq_printf(seq, "periodic_IRQ\t: %s\n",
+                        (imr & AT91_RTC_SECEV) ? "yes" : "no");
+        seq_printf(seq, "periodic_freq\t: %ld\n",
+                        (unsigned long) AT91_RTC_FREQ);
 
         return 0;
 }
@@ -228,9 +238,10 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
 /*
  * IRQ handler for the RTC
  */
-static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id,
+                                        struct pt_regs *regs)
 {
-        struct platform_device *pdev = (struct platform_device *)dev_id;
+        struct platform_device *pdev = dev_id;
         struct rtc_device *rtc = platform_get_drvdata(pdev);
         unsigned int rtsr;
         unsigned long events = 0;
@@ -244,7 +255,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id, struct pt_regs *reg
                 if (rtsr & AT91_RTC_ACKUPD)
                         complete(&at91_rtc_updated);
 
-                at91_sys_write(AT91_RTC_SCCR, rtsr);            /* clear status reg */
+                at91_sys_write(AT91_RTC_SCCR, rtsr);    /* clear status reg */
 
                 rtc_update_irq(&rtc->class_dev, 1, events);
 
@@ -277,15 +288,20 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
         at91_sys_write(AT91_RTC_MR, 0);         /* 24 hour mode */
 
         /* Disable all interrupts */
-        at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV);
+        at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
+                                        AT91_RTC_SECEV | AT91_RTC_TIMEV |
+                                        AT91_RTC_CALEV);
 
-        ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt, SA_SHIRQ, "at91_rtc", pdev);
+        ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt,
+                                SA_SHIRQ, "at91_rtc", pdev);
         if (ret) {
-                printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n", AT91_ID_SYS);
+                printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n",
+                                AT91_ID_SYS);
                 return ret;
         }
 
-        rtc = rtc_device_register(pdev->name, &pdev->dev, &at91_rtc_ops, THIS_MODULE);
+        rtc = rtc_device_register(pdev->name, &pdev->dev,
+                                &at91_rtc_ops, THIS_MODULE);
         if (IS_ERR(rtc)) {
                 free_irq(AT91_ID_SYS, pdev);
                 return PTR_ERR(rtc);
@@ -304,7 +320,9 @@ static int __devexit at91_rtc_remove(struct platform_device *pdev)
         struct rtc_device *rtc = platform_get_drvdata(pdev);
 
         /* Disable all interrupts */
-        at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV);
+        at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
+                                        AT91_RTC_SECEV | AT91_RTC_TIMEV |
+                                        AT91_RTC_CALEV);
         free_irq(AT91_ID_SYS, pdev);
 
         rtc_device_unregister(rtc);
@@ -332,7 +350,8 @@ static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state)
         save_time_delta(&at91_rtc_delta, &time);
 
         pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__,
-                1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
+                1900 + tm.tm_year, tm.tm_mon, tm.tm_mday,
+                tm.tm_hour, tm.tm_min, tm.tm_sec);
 
         return 0;
 }
@@ -349,7 +368,8 @@ static int at91_rtc_resume(struct platform_device *pdev)
         restore_time_delta(&at91_rtc_delta, &time);
 
         pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__,
-                1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
+                1900 + tm.tm_year, tm.tm_mon, tm.tm_mday,
+                tm.tm_hour, tm.tm_min, tm.tm_sec);
 
         return 0;
 }
@@ -379,7 +399,6 @@ static void __exit at91_rtc_exit(void)
         platform_driver_unregister(&at91_rtc_driver);
 }
 
-
 module_init(at91_rtc_init);
 module_exit(at91_rtc_exit);