From: Jeremy Pallotta Date: Fri, 24 Dec 2021 01:23:29 +0000 (-0800) Subject: ntb_hw_switchtec: Fix pff ioread to read into mmio_part_cfg_all X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=32c3d375b0ed84b6acb51ae5ebef35ff0d649d85;p=linux.git ntb_hw_switchtec: Fix pff ioread to read into mmio_part_cfg_all 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 Signed-off-by: Kelvin Cao Signed-off-by: Jon Mason --- diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c index b2d956c2d6100..2f5b2b5e75e4c 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)