Merge branch 'personality' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

[linux-2.6-omap-h63xx.git] / drivers / rtc / rtc-at91rm9200.c

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 9c3db934cc247b6d68859b3869980feeefd92936..37082616482bd7a79ad3162ba00ca82bd260894e 100644 (file)
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -29,10 +29,10 @@
 #include <linux/completion.h>
 
 #include <asm/uaccess.h>
-#include <asm/arch/at91_rtc.h>
+
+#include <mach/at91_rtc.h>
 
 
-#define AT91_RTC_FREQ          1
 #define AT91_RTC_EPOCH         1900UL  /* just like arch/arm/common/rtctime.c */
 
 static DECLARE_COMPLETION(at91_rtc_updated);
@@ -171,8 +171,10 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
                | BIN2BCD(tm.tm_mday) << 24
                | AT91_RTC_DATEEN | AT91_RTC_MTHEN);
 
-       if (alrm->enabled)
+       if (alrm->enabled) {
+               at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
                at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
+       }
 
        pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
                at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour,
@@ -191,28 +193,22 @@ static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
 
        pr_debug("%s(): cmd=%08x, arg=%08lx.\n", __func__, cmd, arg);
 
+       /* important:  scrub old status before enabling IRQs */
        switch (cmd) {
        case RTC_AIE_OFF:       /* alarm off */
                at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
                break;
        case RTC_AIE_ON:        /* alarm on */
+               at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
                at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
                break;
        case RTC_UIE_OFF:       /* update off */
-       case RTC_PIE_OFF:       /* periodic off */
                at91_sys_write(AT91_RTC_IDR, AT91_RTC_SECEV);
                break;
        case RTC_UIE_ON:        /* update on */
-       case RTC_PIE_ON:        /* periodic on */
+               at91_sys_write(AT91_RTC_SCCR, AT91_RTC_SECEV);
                at91_sys_write(AT91_RTC_IER, AT91_RTC_SECEV);
                break;
-       case RTC_IRQP_READ:     /* read periodic alarm frequency */
-               ret = put_user(AT91_RTC_FREQ, (unsigned long *) arg);
-               break;
-       case RTC_IRQP_SET:      /* set periodic alarm frequency */
-               if (arg != AT91_RTC_FREQ)
-                       ret = -EINVAL;
-               break;
        default:
                ret = -ENOIOCTLCMD;
                break;
@@ -232,8 +228,6 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
                        (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;
 }