1 files changed, 5 insertions, 4 deletions

diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index b6cab089561e..9b95d80ebc6e 100644
--- a/arch/mips/sgi-ip32/ip32-reset.c
+++ b/arch/mips/sgi-ip32/ip32-reset.c
@@ -53,7 +53,7 @@ static inline void ip32_machine_halt(void)
 
 static void ip32_machine_power_off(void)
 {
-        volatile unsigned char reg_a, xctrl_a, xctrl_b;
+        unsigned char reg_a, xctrl_a, xctrl_b;
 
         disable_irq(MACEISA_RTC_IRQ);
         reg_a = CMOS_READ(RTC_REG_A);
@@ -91,9 +91,10 @@ static void blink_timeout(unsigned long data)
 
 static void debounce(unsigned long data)
 {
-        volatile unsigned char reg_a, reg_c, xctrl_a;
+        unsigned char reg_a, reg_c, xctrl_a;
 
         reg_c = CMOS_READ(RTC_INTR_FLAGS);
+        reg_a = CMOS_READ(RTC_REG_A);
         CMOS_WRITE(reg_a | DS_REGA_DV0, RTC_REG_A);
         wbflush();
         xctrl_a = CMOS_READ(DS_B1_XCTRL4A);
@@ -137,7 +138,7 @@ static inline void ip32_power_button(void)
 
 static irqreturn_t ip32_rtc_int(int irq, void *dev_id)
 {
-        volatile unsigned char reg_c;
+        unsigned char reg_c;
 
         reg_c = CMOS_READ(RTC_INTR_FLAGS);
         if (!(reg_c & RTC_IRQF)) {
@@ -145,7 +146,7 @@ static irqreturn_t ip32_rtc_int(int irq, void *dev_id)
                         "%s: RTC IRQ without RTC_IRQF\n", __func__);
         }
         /* Wait until interrupt goes away */
-        disable_irq(MACEISA_RTC_IRQ);
+        disable_irq_nosync(MACEISA_RTC_IRQ);
         init_timer(&debounce_timer);
         debounce_timer.function = debounce;
         debounce_timer.expires = jiffies + 50;