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virtio: drop legacy_only driver flag

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legacy_only flag is now unused, drop it from core.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2014-12-04 19:31:45 +02:00
commit d71a6fc6b9
2 changed files with 0 additions and 6 deletions
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4
drivers/virtio/virtio.c
View file

@ -198,10 +198,6 @@ static int virtio_dev_probe(struct device *_d)
driver_features_legacy = driver_features; driver_features_legacy = driver_features;
} }
/* Detect legacy-only drivers and disable VIRTIO_F_VERSION_1. */
if (drv->legacy_only)
device_features &= ~(1ULL << VIRTIO_F_VERSION_1);
if (device_features & (1ULL << VIRTIO_F_VERSION_1)) if (device_features & (1ULL << VIRTIO_F_VERSION_1))
dev->features = driver_features & device_features; dev->features = driver_features & device_features;
else else

2
include/linux/virtio.h
View file

@ -134,7 +134,6 @@ int virtio_device_restore(struct virtio_device *dev);
* @feature_table_size: number of entries in the feature table array. * @feature_table_size: number of entries in the feature table array.
* @feature_table_legacy: same as feature_table but when working in legacy mode. * @feature_table_legacy: same as feature_table but when working in legacy mode.
* @feature_table_size_legacy: number of entries in feature table legacy array. * @feature_table_size_legacy: number of entries in feature table legacy array.
* @legacy_only: driver does not support virtio 1.0.
* @probe: the function to call when a device is found. Returns 0 or -errno. * @probe: the function to call when a device is found. Returns 0 or -errno.
* @remove: the function to call when a device is removed. * @remove: the function to call when a device is removed.
* @config_changed: optional function to call when the device configuration * @config_changed: optional function to call when the device configuration
@ -147,7 +146,6 @@ struct virtio_driver {
unsigned int feature_table_size; unsigned int feature_table_size;
const unsigned int *feature_table_legacy; const unsigned int *feature_table_legacy;
unsigned int feature_table_size_legacy; unsigned int feature_table_size_legacy;
bool legacy_only;
int (*probe)(struct virtio_device *dev); int (*probe)(struct virtio_device *dev);
void (*scan)(struct virtio_device *dev); void (*scan)(struct virtio_device *dev);
void (*remove)(struct virtio_device *dev); void (*remove)(struct virtio_device *dev);