[PATCH 7/9] KVM: arm64: Simplify argument passing to vgic_uaccess_[read|write]

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Instead of converting the vgic_io_device handle to a kvm_io_device
handled and then do the oppositive, pass a vgic_io_device pointer all
along the call chain.

Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
 arch/arm64/kvm/vgic/vgic-mmio.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
index b2d73fc0d1ef..48c6067fc5ec 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio.c
@@ -938,10 +938,9 @@ vgic_get_mmio_region(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev,
 	return region;
 }
 
-static int vgic_uaccess_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
+static int vgic_uaccess_read(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev,
 			     gpa_t addr, u32 *val)
 {
-	struct vgic_io_device *iodev = kvm_to_vgic_iodev(dev);
 	const struct vgic_register_region *region;
 	struct kvm_vcpu *r_vcpu;
 
@@ -960,10 +959,9 @@ static int vgic_uaccess_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
 	return 0;
 }
 
-static int vgic_uaccess_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
+static int vgic_uaccess_write(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev,
 			      gpa_t addr, const u32 *val)
 {
-	struct vgic_io_device *iodev = kvm_to_vgic_iodev(dev);
 	const struct vgic_register_region *region;
 	struct kvm_vcpu *r_vcpu;
 
@@ -986,9 +984,9 @@ int vgic_uaccess(struct kvm_vcpu *vcpu, struct vgic_io_device *dev,
 		 bool is_write, int offset, u32 *val)
 {
 	if (is_write)
-		return vgic_uaccess_write(vcpu, &dev->dev, offset, val);
+		return vgic_uaccess_write(vcpu, dev, offset, val);
 	else
-		return vgic_uaccess_read(vcpu, &dev->dev, offset, val);
+		return vgic_uaccess_read(vcpu, dev, offset, val);
 }
 
 static int dispatch_mmio_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
-- 
2.21.3

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