powerpc/xive: remove unused parameter

The parameter xc to xive_cleanup_single_escalation() is unused, so we
can remove it.
Signed-off-by: Deming Wang <wangdeming@inspur.com>
[mpe: Reword change log, unwrap lines < 90 columns]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220413105507.1729-1-wangdeming@inspur.com

arch/powerpc/kvm/book3s_xive.c

@@ -1785,8 +1785,7 @@ void kvmppc_xive_disable_vcpu_interrupts(struct kvm_vcpu *vcpu)
  * stale_p (because it has no easy way to address it).  Hence we have
  * to adjust stale_p before shutting down the interrupt.
  */
-void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu,
-				    struct kvmppc_xive_vcpu *xc, int irq)
+void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu, int irq)
 {
 	struct irq_data *d = irq_get_irq_data(irq);
 	struct xive_irq_data *xd = irq_data_get_irq_handler_data(d);
@@ -1827,8 +1826,7 @@ void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu)
 	for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) {
 		if (xc->esc_virq[i]) {
 			if (kvmppc_xive_has_single_escalation(xc->xive))
-				xive_cleanup_single_escalation(vcpu, xc,
-							xc->esc_virq[i]);
+				xive_cleanup_single_escalation(vcpu, xc->esc_virq[i]);
 			free_irq(xc->esc_virq[i], vcpu);
 			irq_dispose_mapping(xc->esc_virq[i]);
 			kfree(xc->esc_virq_names[i]);

arch/powerpc/kvm/book3s_xive.h

@@ -299,8 +299,7 @@ int kvmppc_xive_select_target(struct kvm *kvm, u32 *server, u8 prio);
 int kvmppc_xive_attach_escalation(struct kvm_vcpu *vcpu, u8 prio,
 				  bool single_escalation);
 struct kvmppc_xive *kvmppc_xive_get_device(struct kvm *kvm, u32 type);
-void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu,
-				    struct kvmppc_xive_vcpu *xc, int irq);
+void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu, int irq);
 int kvmppc_xive_compute_vp_id(struct kvmppc_xive *xive, u32 cpu, u32 *vp);
 int kvmppc_xive_set_nr_servers(struct kvmppc_xive *xive, u64 addr);
 bool kvmppc_xive_check_save_restore(struct kvm_vcpu *vcpu);

arch/powerpc/kvm/book3s_xive_native.c

@@ -93,8 +93,7 @@ void kvmppc_xive_native_cleanup_vcpu(struct kvm_vcpu *vcpu)
 		/* Free the escalation irq */
 		if (xc->esc_virq[i]) {
 			if (kvmppc_xive_has_single_escalation(xc->xive))
-				xive_cleanup_single_escalation(vcpu, xc,
-							xc->esc_virq[i]);
+				xive_cleanup_single_escalation(vcpu, xc->esc_virq[i]);
 			free_irq(xc->esc_virq[i], vcpu);
 			irq_dispose_mapping(xc->esc_virq[i]);
 			kfree(xc->esc_virq_names[i]);