Re: [PATCH v2 18/24] mlxbf-tmfifo: sparse tags for config access

From: Michael S. Tsirkin
Date: Wed Aug 05 2020 - 13:05:15 EST


On Tue, Aug 04, 2020 at 04:56:34PM +0200, Cornelia Huck wrote:
> On Mon, 3 Aug 2020 17:00:01 -0400
> "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
>
> > mlxbf-tmfifo accesses config space using native types -
> > which works for it since the legacy virtio native types.
> >
> > This will break if it ever needs to support modern virtio,
> > so with new tags previously introduced for virtio net config,
> > sparse now warns for this in drivers.
> >
> > Since this is a legacy only device, fix it up using
> > virtio_legacy_is_little_endian for now.
>
> I'm wondering if the driver should make this more explicit?


Not sure how though.

> No issues with the patch, though.
>
> >
> > No functional changes.
> >
> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > ---
> > drivers/platform/mellanox/mlxbf-tmfifo.c | 13 ++++++++++---
> > 1 file changed, 10 insertions(+), 3 deletions(-)
>
> Acked-by: Cornelia Huck <cohuck@xxxxxxxxxx>