UPSTREAM: LoongArch: KVM: Remove unused parameter len

Parameter len is unused in some functions with eiointc emulation driver,
remove it here.

Signed-off-by: Bibo Mao <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>

(cherry picked from commit a063033)
Signed-off-by: Kexy Biscuit <[email protected]>

Author: bibo-mao

arch/loongarch/kvm/intc/eiointc.c

@@ -136,7 +136,7 @@ static inline void eiointc_enable_irq(struct kvm_vcpu *vcpu,
 }
 
 static int loongarch_eiointc_readb(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
-				gpa_t addr, int len, void *val)
+				gpa_t addr, void *val)
 {
 	int index, ret = 0;
 	u8 data = 0;
@@ -178,7 +178,7 @@ static int loongarch_eiointc_readb(struct kvm_vcpu *vcpu, struct loongarch_eioin
 }
 
 static int loongarch_eiointc_readw(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
-				gpa_t addr, int len, void *val)
+				gpa_t addr, void *val)
 {
 	int index, ret = 0;
 	u16 data = 0;
@@ -220,7 +220,7 @@ static int loongarch_eiointc_readw(struct kvm_vcpu *vcpu, struct loongarch_eioin
 }
 
 static int loongarch_eiointc_readl(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
-				gpa_t addr, int len, void *val)
+				gpa_t addr, void *val)
 {
 	int index, ret = 0;
 	u32 data = 0;
@@ -262,7 +262,7 @@ static int loongarch_eiointc_readl(struct kvm_vcpu *vcpu, struct loongarch_eioin
 }
 
 static int loongarch_eiointc_readq(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
-				gpa_t addr, int len, void *val)
+				gpa_t addr, void *val)
 {
 	int index, ret = 0;
 	u64 data = 0;
@@ -325,16 +325,16 @@ static int kvm_eiointc_read(struct kvm_vcpu *vcpu,
 	spin_lock_irqsave(&eiointc->lock, flags);
 	switch (len) {
 	case 1:
-		ret = loongarch_eiointc_readb(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_readb(vcpu, eiointc, addr, val);
 		break;
 	case 2:
-		ret = loongarch_eiointc_readw(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_readw(vcpu, eiointc, addr, val);
 		break;
 	case 4:
-		ret = loongarch_eiointc_readl(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_readl(vcpu, eiointc, addr, val);
 		break;
 	case 8:
-		ret = loongarch_eiointc_readq(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_readq(vcpu, eiointc, addr, val);
 		break;
 	default:
 		WARN_ONCE(1, "%s: Abnormal address access: addr 0x%llx, size %d\n",
@@ -347,7 +347,7 @@ static int kvm_eiointc_read(struct kvm_vcpu *vcpu,
 
 static int loongarch_eiointc_writeb(struct kvm_vcpu *vcpu,
 				struct loongarch_eiointc *s,
-				gpa_t addr, int len, const void *val)
+				gpa_t addr, const void *val)
 {
 	int index, irq, bits, ret = 0;
 	u8 cpu;
@@ -426,7 +426,7 @@ static int loongarch_eiointc_writeb(struct kvm_vcpu *vcpu,
 
 static int loongarch_eiointc_writew(struct kvm_vcpu *vcpu,
 				struct loongarch_eiointc *s,
-				gpa_t addr, int len, const void *val)
+				gpa_t addr, const void *val)
 {
 	int i, index, irq, bits, ret = 0;
 	u8 cpu;
@@ -511,7 +511,7 @@ static int loongarch_eiointc_writew(struct kvm_vcpu *vcpu,
 
 static int loongarch_eiointc_writel(struct kvm_vcpu *vcpu,
 				struct loongarch_eiointc *s,
-				gpa_t addr, int len, const void *val)
+				gpa_t addr, const void *val)
 {
 	int i, index, irq, bits, ret = 0;
 	u8 cpu;
@@ -596,7 +596,7 @@ static int loongarch_eiointc_writel(struct kvm_vcpu *vcpu,
 
 static int loongarch_eiointc_writeq(struct kvm_vcpu *vcpu,
 				struct loongarch_eiointc *s,
-				gpa_t addr, int len, const void *val)
+				gpa_t addr, const void *val)
 {
 	int i, index, irq, bits, ret = 0;
 	u8 cpu;
@@ -701,16 +701,16 @@ static int kvm_eiointc_write(struct kvm_vcpu *vcpu,
 	spin_lock_irqsave(&eiointc->lock, flags);
 	switch (len) {
 	case 1:
-		ret = loongarch_eiointc_writeb(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_writeb(vcpu, eiointc, addr, val);
 		break;
 	case 2:
-		ret = loongarch_eiointc_writew(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_writew(vcpu, eiointc, addr, val);
 		break;
 	case 4:
-		ret = loongarch_eiointc_writel(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_writel(vcpu, eiointc, addr, val);
 		break;
 	case 8:
-		ret = loongarch_eiointc_writeq(vcpu, eiointc, addr, len, val);
+		ret = loongarch_eiointc_writeq(vcpu, eiointc, addr, val);
 		break;
 	default:
 		WARN_ONCE(1, "%s: Abnormal address access: addr 0x%llx, size %d\n",