linux-kernel - [PATCH v2 6/7] LoongArch: KVM: Remove unused parameter len

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Message-Id: <20250603094606.1053622-7-maobibo@loongson.cn>
Date: Tue,  3 Jun 2025 17:46:05 +0800
From: Bibo Mao <maobibo@...ngson.cn>
To: Tianrui Zhao <zhaotianrui@...ngson.cn>,
	Huacai Chen <chenhuacai@...nel.org>,
	Xianglai Li <lixianglai@...ngson.cn>
Cc: kvm@...r.kernel.org,
	loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 6/7] 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 <maobibo@...ngson.cn>
---
 arch/loongarch/kvm/intc/eiointc.c | 32 +++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/arch/loongarch/kvm/intc/eiointc.c b/arch/loongarch/kvm/intc/eiointc.c
index 0692bacddf5d..0b11edd16d1d 100644
--- a/arch/loongarch/kvm/intc/eiointc.c
+++ b/arch/loongarch/kvm/intc/eiointc.c
@@ -131,7 +131,7 @@ 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;
@@ -173,7 +173,7 @@ 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;
@@ -215,7 +215,7 @@ 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;
@@ -257,7 +257,7 @@ 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;
@@ -315,16 +315,16 @@ 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",
@@ -337,7 +337,7 @@ 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;
@@ -416,7 +416,7 @@ 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;
@@ -502,7 +502,7 @@ 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;
@@ -588,7 +588,7 @@ 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;
@@ -689,16 +689,16 @@ 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",
-- 
2.39.3