acpi: don't pass overflow_time to acpi_pm1_evt_get_sts

Pretty pointless, can easily be reached via ACPIREGS now.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/acpi.c

@@ -249,10 +249,10 @@ int acpi_table_add(const char *t)
 }
 
 /* ACPI PM1a EVT */
-uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar, int64_t overflow_time)
+uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar)
 {
     int64_t d = acpi_pm_tmr_get_clock();
-    if (d >= overflow_time) {
+    if (d >= ar->tmr.overflow_time) {
         ar->pm1.evt.sts |= ACPI_BITMASK_TIMER_STATUS;
     }
     return ar->pm1.evt.sts;
@@ -260,7 +260,7 @@ uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar, int64_t overflow_time)
 
 void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val)
 {
-    uint16_t pm1_sts = acpi_pm1_evt_get_sts(ar, ar->tmr.overflow_time);
+    uint16_t pm1_sts = acpi_pm1_evt_get_sts(ar);
     if (pm1_sts & val & ACPI_BITMASK_TIMER_STATUS) {
         /* if TMRSTS is reset, then compute the new overflow time */
         acpi_pm_tmr_calc_overflow_time(ar);

hw/acpi.h

@@ -131,7 +131,7 @@ static inline int64_t acpi_pm_tmr_get_clock(void)
 }
 
 /* PM1a_EVT: piix and ich9 don't implement PM1b. */
-uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar, int64_t overflow_time);
+uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
 void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val);
 void acpi_pm1_evt_power_down(ACPIREGS *ar);
 void acpi_pm1_evt_reset(ACPIREGS *ar);

hw/acpi_piix4.c

@@ -80,7 +80,7 @@ static void pm_update_sci(PIIX4PMState *s)
 {
     int sci_level, pmsts;
 
-    pmsts = acpi_pm1_evt_get_sts(&s->ar, s->ar.tmr.overflow_time);
+    pmsts = acpi_pm1_evt_get_sts(&s->ar);
     sci_level = (((pmsts & s->ar.pm1.evt.en) &
                   (ACPI_BITMASK_RT_CLOCK_ENABLE |
                    ACPI_BITMASK_POWER_BUTTON_ENABLE |
@@ -138,7 +138,7 @@ static void pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width,
 
     switch(addr) {
     case 0x00:
-        val = acpi_pm1_evt_get_sts(&s->ar, s->ar.tmr.overflow_time);
+        val = acpi_pm1_evt_get_sts(&s->ar);
         break;
     case 0x02:
         val = s->ar.pm1.evt.en;

hw/vt82c686.c

@@ -177,7 +177,7 @@ static void pm_update_sci(VT686PMState *s)
 {
     int sci_level, pmsts;
 
-    pmsts = acpi_pm1_evt_get_sts(&s->ar, s->ar.tmr.overflow_time);
+    pmsts = acpi_pm1_evt_get_sts(&s->ar);
     sci_level = (((pmsts & s->ar.pm1.evt.en) &
                   (ACPI_BITMASK_RT_CLOCK_ENABLE |
                    ACPI_BITMASK_POWER_BUTTON_ENABLE |
@@ -226,7 +226,7 @@ static uint32_t pm_ioport_readw(void *opaque, uint32_t addr)
     addr &= 0x0f;
     switch (addr) {
     case 0x00:
-        val = acpi_pm1_evt_get_sts(&s->ar, s->ar.tmr.overflow_time);
+        val = acpi_pm1_evt_get_sts(&s->ar);
         break;
     case 0x02:
         val = s->ar.pm1.evt.en;