summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/mellanox/mlxsw/pci.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-21 05:38:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-21 05:38:09 +0000
commitbb26c5b2b89d932f617fa415a715b2bb259a42bc (patch)
tree58c44da24c7a1fb78dda1c0b698510c6f8640981 /drivers/net/ethernet/mellanox/mlxsw/pci.c
parentAdding upstream version 6.10.4. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.10.6.upstream/6.10.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/pci.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index c0ced4d315..d92f640bae 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -1599,6 +1599,7 @@ static int mlxsw_pci_reset_at_pci_disable(struct mlxsw_pci *mlxsw_pci,
{
struct pci_dev *pdev = mlxsw_pci->pdev;
char mrsr_pl[MLXSW_REG_MRSR_LEN];
+ struct pci_dev *bridge;
int err;
if (!pci_reset_sbr_supported) {
@@ -1615,6 +1616,9 @@ static int mlxsw_pci_reset_at_pci_disable(struct mlxsw_pci *mlxsw_pci,
sbr:
device_lock_assert(&pdev->dev);
+ bridge = pci_upstream_bridge(pdev);
+ if (bridge)
+ pci_cfg_access_lock(bridge);
pci_cfg_access_lock(pdev);
pci_save_state(pdev);
@@ -1624,6 +1628,8 @@ sbr:
pci_restore_state(pdev);
pci_cfg_access_unlock(pdev);
+ if (bridge)
+ pci_cfg_access_unlock(bridge);
return err;
}