[PATCH v5 3/5] LoongArch: KVM: Set default MAILBOX access size with 8

With IOCSR instruction emulation in function kvm_emu_iocsr(), the possible
size combination is 1/2/4/8 and no other combinations. Here remove the
old default case and replace the default case with 8 in read_mailbox()
and write_mailbox().

Signed-off-by: Bibo Mao <[email protected]>
---
 arch/loongarch/kvm/intc/ipi.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/arch/loongarch/kvm/intc/ipi.c b/arch/loongarch/kvm/intc/ipi.c
index 928f9bd5e1f1..3871a6953a64 100644
--- a/arch/loongarch/kvm/intc/ipi.c
+++ b/arch/loongarch/kvm/intc/ipi.c
@@ -67,11 +67,8 @@ static uint64_t read_mailbox(struct kvm_vcpu *vcpu, int offset, int len)
 		return data & 0xffff;
 	case 4:
 		return data & 0xffffffff;
-	case 8:
-		return data;
 	default:
-		kvm_err("%s: unknown data len: %d\n", __func__, len);
-		return 0;
+		return data;
 	}
 }
 
@@ -92,11 +89,9 @@ static void write_mailbox(struct kvm_vcpu *vcpu, int offset, uint64_t data, int
 	case 4:
 		*(unsigned int *)pbuf = (unsigned int)data;
 		break;
-	case 8:
+	default:
 		*(unsigned long *)pbuf = (unsigned long)data;
 		break;
-	default:
-		kvm_err("%s: unknown data len: %d\n", __func__, len);
 	}
 	spin_unlock(&vcpu->arch.ipi_state.lock);
 }
-- 
2.39.3