Re: [PATCH] iommu/virtio: Fix compile error with viommu_capable()

From: Jean-Philippe Brucker
Date: Wed Sep 07 2022 - 11:37:49 EST


On Wed, Sep 07, 2022 at 05:11:54PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@xxxxxxx>
>
> A recent fix introduced viommu_capable() but other changes
> from Robin change the function signature of the call-back it
> is used for.
>
> When both changes are merged a compile error will happen
> because the function pointer types mismatch. Fix that by
> updating the viommu_capable() signature after the merge.
>
> Cc: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
> Cc: Robin Murphy <robin.murphy@xxxxxxx>
> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>

Reviewed-by: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>

> ---
> drivers/iommu/virtio-iommu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
> index da463db9f12a..1b12825e2df1 100644
> --- a/drivers/iommu/virtio-iommu.c
> +++ b/drivers/iommu/virtio-iommu.c
> @@ -1005,7 +1005,7 @@ static int viommu_of_xlate(struct device *dev, struct of_phandle_args *args)
> return iommu_fwspec_add_ids(dev, args->args, 1);
> }
>
> -static bool viommu_capable(enum iommu_cap cap)
> +static bool viommu_capable(struct device *dev, enum iommu_cap cap)
> {
> switch (cap) {
> case IOMMU_CAP_CACHE_COHERENCY:
> --
> 2.36.1
>