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hw/arm: Convert TYPE_ARM_SMMUV3 to 3-phase reset

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Convert the TYPE_ARM_SMMUV3 device to 3-phase reset.  The legacy
reset method doesn't do anything that's invalid in the hold phase, so
the conversion only requires changing it to a hold phase method, and
using the 3-phase versions of the "save the parent reset method and
chain to it" code.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221109161444.3397405-3-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2022-12-14 14:27:10 +00:00
parent 3c1a7c4197
commit 503819a347
2 changed files with 9 additions and 5 deletions
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12
hw/arm/smmuv3.c
View File

@ -1431,12 +1431,14 @@ static void smmu_init_irq(SMMUv3State *s, SysBusDevice *dev)
}
}
static void smmu_reset(DeviceState *dev)
static void smmu_reset_hold(Object *obj)
{
SMMUv3State *s = ARM_SMMUV3(dev);
SMMUv3State *s = ARM_SMMUV3(obj);
SMMUv3Class *c = ARM_SMMUV3_GET_CLASS(s);
c->parent_reset(dev);
if (c->parent_phases.hold) {
c->parent_phases.hold(obj);
}
smmuv3_init_regs(s);
}
@ -1520,10 +1522,12 @@ static void smmuv3_instance_init(Object *obj)
static void smmuv3_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
ResettableClass *rc = RESETTABLE_CLASS(klass);
SMMUv3Class *c = ARM_SMMUV3_CLASS(klass);
dc->vmsd = &vmstate_smmuv3;
device_class_set_parent_reset(dc, smmu_reset, &c->parent_reset);
resettable_class_set_parent_phases(rc, NULL, smmu_reset_hold, NULL,
&c->parent_phases);
c->parent_realize = dc->realize;
dc->realize = smmu_realize;
}

2
include/hw/arm/smmuv3.h
View File

@ -77,7 +77,7 @@ struct SMMUv3Class {
/*< public >*/
DeviceRealize parent_realize;
DeviceReset parent_reset;
ResettablePhases parent_phases;
};
#define TYPE_ARM_SMMUV3 "arm-smmuv3"