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/linux-4.4.14/drivers/virtio/
Dvirtio_mmio.c118 struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); in vm_get_features() local
121 writel(1, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); in vm_get_features()
122 features = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); in vm_get_features()
125 writel(0, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL); in vm_get_features()
126 features |= readl(vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES); in vm_get_features()
133 struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); in vm_finalize_features() local
139 if (vm_dev->version == 2 && in vm_finalize_features()
145 writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL); in vm_finalize_features()
147 vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES); in vm_finalize_features()
149 writel(0, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL); in vm_finalize_features()
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