1 files changed, 8 insertions, 47 deletions

diff --git a/arch/loongarch/include/asm/kvm_eiointc.h b/arch/loongarch/include/asm/kvm_eiointc.h
index a3a40aba8acf..8b7a2fa3f7f8 100644
--- a/arch/loongarch/include/asm/kvm_eiointc.h
+++ b/arch/loongarch/include/asm/kvm_eiointc.h
@@ -10,10 +10,7 @@
 
 #define EIOINTC_IRQS			256
 #define EIOINTC_ROUTE_MAX_VCPUS		256
-#define EIOINTC_IRQS_U8_NUMS		(EIOINTC_IRQS / 8)
-#define EIOINTC_IRQS_U16_NUMS		(EIOINTC_IRQS_U8_NUMS / 2)
-#define EIOINTC_IRQS_U32_NUMS		(EIOINTC_IRQS_U8_NUMS / 4)
-#define EIOINTC_IRQS_U64_NUMS		(EIOINTC_IRQS_U8_NUMS / 8)
+#define EIOINTC_IRQS_U64_NUMS		(EIOINTC_IRQS / 64)
 /* map to ipnum per 32 irqs */
 #define EIOINTC_IRQS_NODETYPE_COUNT	16
 
@@ -64,54 +61,18 @@ struct loongarch_eiointc {
 	uint32_t status;
 
 	/* hardware state */
-	union nodetype {
-		u64 reg_u64[EIOINTC_IRQS_NODETYPE_COUNT / 4];
-		u32 reg_u32[EIOINTC_IRQS_NODETYPE_COUNT / 2];
-		u16 reg_u16[EIOINTC_IRQS_NODETYPE_COUNT];
-		u8 reg_u8[EIOINTC_IRQS_NODETYPE_COUNT * 2];
-	} nodetype;
+	u64 nodetype[EIOINTC_IRQS_NODETYPE_COUNT / 4];
 
 	/* one bit shows the state of one irq */
-	union bounce {
-		u64 reg_u64[EIOINTC_IRQS_U64_NUMS];
-		u32 reg_u32[EIOINTC_IRQS_U32_NUMS];
-		u16 reg_u16[EIOINTC_IRQS_U16_NUMS];
-		u8 reg_u8[EIOINTC_IRQS_U8_NUMS];
-	} bounce;
-
-	union isr {
-		u64 reg_u64[EIOINTC_IRQS_U64_NUMS];
-		u32 reg_u32[EIOINTC_IRQS_U32_NUMS];
-		u16 reg_u16[EIOINTC_IRQS_U16_NUMS];
-		u8 reg_u8[EIOINTC_IRQS_U8_NUMS];
-	} isr;
-	union coreisr {
-		u64 reg_u64[EIOINTC_ROUTE_MAX_VCPUS][EIOINTC_IRQS_U64_NUMS];
-		u32 reg_u32[EIOINTC_ROUTE_MAX_VCPUS][EIOINTC_IRQS_U32_NUMS];
-		u16 reg_u16[EIOINTC_ROUTE_MAX_VCPUS][EIOINTC_IRQS_U16_NUMS];
-		u8 reg_u8[EIOINTC_ROUTE_MAX_VCPUS][EIOINTC_IRQS_U8_NUMS];
-	} coreisr;
-	union enable {
-		u64 reg_u64[EIOINTC_IRQS_U64_NUMS];
-		u32 reg_u32[EIOINTC_IRQS_U32_NUMS];
-		u16 reg_u16[EIOINTC_IRQS_U16_NUMS];
-		u8 reg_u8[EIOINTC_IRQS_U8_NUMS];
-	} enable;
+	u64 bounce[EIOINTC_IRQS_U64_NUMS];
+	u64 isr[EIOINTC_IRQS_U64_NUMS];
+	u64 coreisr[EIOINTC_ROUTE_MAX_VCPUS][EIOINTC_IRQS_U64_NUMS];
+	u64 enable[EIOINTC_IRQS_U64_NUMS];
 
 	/* use one byte to config ipmap for 32 irqs at once */
-	union ipmap {
-		u64 reg_u64;
-		u32 reg_u32[EIOINTC_IRQS_U32_NUMS / 4];
-		u16 reg_u16[EIOINTC_IRQS_U16_NUMS / 4];
-		u8 reg_u8[EIOINTC_IRQS_U8_NUMS / 4];
-	} ipmap;
+	u64 ipmap;
 	/* use one byte to config coremap for one irq */
-	union coremap {
-		u64 reg_u64[EIOINTC_IRQS / 8];
-		u32 reg_u32[EIOINTC_IRQS / 4];
-		u16 reg_u16[EIOINTC_IRQS / 2];
-		u8 reg_u8[EIOINTC_IRQS];
-	} coremap;
+	u64 coremap[EIOINTC_IRQS / 8];
 
 	DECLARE_BITMAP(sw_coreisr[EIOINTC_ROUTE_MAX_VCPUS][LOONGSON_IP_NUM], EIOINTC_IRQS);
 	uint8_t  sw_coremap[EIOINTC_IRQS];