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virtio: use u32, not bitmap for features

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It seemed like a good idea to use bitmap for features
in struct virtio_device, but it's actually a pain,
and seems to become even more painful when we get more
than 32 feature bits.  Just change it to a u32 for now.

Based on patch by Rusty.

Suggested-by: David Hildenbrand <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
Signed-off-by: Cornelia Huck <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: Cornelia Huck <[email protected]>
This commit is contained in:
Michael S. Tsirkin 2014-10-07 16:39:42 +02:00
commit e16e12be34
16 changed files with 42 additions and 74 deletions
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2
drivers/remoteproc/remoteproc_virtio.c
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@ -231,7 +231,7 @@ static void rproc_virtio_finalize_features(struct virtio_device *vdev)
* Remember the finalized features of our vdev, and provide it
* to the remote processor once it is powered on.
*/
rsc->gfeatures = vdev->features[0];
rsc->gfeatures = vdev->features;
}
static void rproc_virtio_get(struct virtio_device *vdev, unsigned offset,