ntb_hw_switchtec: Fix pff ioread to read into mmio_part_cfg_all

[ Upstream commit 32c3d375b0ed84b6acb51ae5ebef35ff0d649d85 ]

Array mmio_part_cfg_all holds the partition configuration of all
partitions, with partition number as index. Fix this by reading into
mmio_part_cfg_all for pff.

Fixes: 0ee28f26f378 ("NTB: switchtec_ntb: Add link management")
Signed-off-by: Jeremy Pallotta <jmpallotta@gmail.com>
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
index 4c6eb61..6603c77 100644 (file)
--- a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
+++ b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
@@ -419,8 +419,8 @@ static void switchtec_ntb_part_link_speed(struct switchtec_ntb *sndev,
                                          enum ntb_width *width)
 {
        struct switchtec_dev *stdev = sndev->stdev;
-
-       u32 pff = ioread32(&stdev->mmio_part_cfg[partition].vep_pff_inst_id);
+       u32 pff =
+               ioread32(&stdev->mmio_part_cfg_all[partition].vep_pff_inst_id);
        u32 linksta = ioread32(&stdev->mmio_pff_csr[pff].pci_cap_region[13]);
 
        if (speed)