From: Andreas Färber <andreas.faer...@web.de> Introduce type constant and cast macro and rename ARMMPTimerState::busdev to enforce its use.
Signed-off-by: Andreas Färber <andreas.faer...@web.de> --- hw/timer/arm_mptimer.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/hw/timer/arm_mptimer.c b/hw/timer/arm_mptimer.c index 317f5e4..588e34b 100644 --- a/hw/timer/arm_mptimer.c +++ b/hw/timer/arm_mptimer.c @@ -40,8 +40,15 @@ typedef struct { MemoryRegion iomem; } TimerBlock; +#define TYPE_ARM_MP_TIMER "arm_mptimer" +#define ARM_MP_TIMER(obj) \ + OBJECT_CHECK(ARMMPTimerState, (obj), TYPE_ARM_MP_TIMER) + typedef struct { - SysBusDevice busdev; + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + uint32_t num_cpu; TimerBlock timerblock[MAX_CPUS]; MemoryRegion iomem; @@ -211,9 +218,9 @@ static void timerblock_reset(TimerBlock *tb) static void arm_mptimer_reset(DeviceState *dev) { - ARMMPTimerState *s = - FROM_SYSBUS(ARMMPTimerState, SYS_BUS_DEVICE(dev)); + ARMMPTimerState *s = ARM_MP_TIMER(dev); int i; + for (i = 0; i < ARRAY_SIZE(s->timerblock); i++) { timerblock_reset(&s->timerblock[i]); } @@ -221,8 +228,9 @@ static void arm_mptimer_reset(DeviceState *dev) static int arm_mptimer_init(SysBusDevice *dev) { - ARMMPTimerState *s = FROM_SYSBUS(ARMMPTimerState, dev); + ARMMPTimerState *s = ARM_MP_TIMER(dev); int i; + if (s->num_cpu < 1 || s->num_cpu > MAX_CPUS) { hw_error("%s: num-cpu must be between 1 and %d\n", __func__, MAX_CPUS); } @@ -295,7 +303,7 @@ static void arm_mptimer_class_init(ObjectClass *klass, void *data) } static const TypeInfo arm_mptimer_info = { - .name = "arm_mptimer", + .name = TYPE_ARM_MP_TIMER, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(ARMMPTimerState), .class_init = arm_mptimer_class_init, -- 1.8.1.4