From 32c3d375b0ed84b6acb51ae5ebef35ff0d649d85 Mon Sep 17 00:00:00 2001
From: Jeremy Pallotta <jmpallotta@gmail.com>
Date: Thu, 23 Dec 2021 17:23:29 -0800
Subject: [PATCH] ntb_hw_switchtec: Fix pff ioread to read into mmio_part_cfg_all
Git-commit: 32c3d375b0ed84b6acb51ae5ebef35ff0d649d85
Patch-mainline: v5.17-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/ntb/hw/mscc/ntb_hw_switchtec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
index b2d956c2d610..2f5b2b5e75e4 100644
--- 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)
--
2.31.1