vdpa/mlx5: Retrieve BAR address suitable any function

struct mlx5_core_dev has a bar_addr field that contains the correct bar
address for the function regardless of whether it is pci function or sub
function. Use it.

Fixes: 1958fc2f0712 ("net/mlx5: SF, Add auxiliary device driver")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Link: https://lore.kernel.org/r/20210408091047.4269-4-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>

diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 96e6421c5d1cf896447b9db566be421d560e3943..6521cbd0f5c2784fea9ee4956a4e3ba9faaf1452 100644 (file)
--- a/drivers/vdpa/mlx5/core/resources.c
+++ b/drivers/vdpa/mlx5/core/resources.c
@@ -246,7 +246,8 @@ int mlx5_vdpa_alloc_resources(struct mlx5_vdpa_dev *mvdev)
        if (err)
                goto err_key;
 
-       kick_addr = pci_resource_start(mdev->pdev, 0) + offset;
+       kick_addr = mdev->bar_addr + offset;
+
        res->kick_addr = ioremap(kick_addr, PAGE_SIZE);
        if (!res->kick_addr) {
                err = -ENOMEM;