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xics: add reset() handler to ICPStateClass

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Taking into account that qemu_set_irq() returns immediatly if its first
argument is NULL, icp_kvm_reset() largely duplicates icp_reset().

This patch introduces a reset() handler, so that the common logic can
be implemented in icp_reset() only.

While there we can also drop icp_kvm_realize() and icp_kvm_unrealize(). This
causes icp-kvm to be realized in icp_realize(), which sets icp->xics, but
it has no impact.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2017-06-07 19:17:00 +02:00 • committed by David Gibson
parent 67b544d65f
commit a4d4edce7a
3 changed files with 8 additions and 25 deletions
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5
hw/intc/xics.c
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@ -325,6 +325,7 @@ static const VMStateDescription vmstate_icp_server = {
static void icp_reset(void *dev)
{
ICPState *icp = ICP(dev);
ICPStateClass *icpc = ICP_GET_CLASS(icp);
icp->xirr = 0;
icp->pending_priority = 0xff;
@ -332,6 +333,10 @@ static void icp_reset(void *dev)
/* Make all outputs are deasserted */
qemu_set_irq(icp->output, 0);
if (icpc->reset) {
icpc->reset(icp);
}
}
static void icp_realize(DeviceState *dev, Error **errp)