diff options
Diffstat (limited to 'drivers/ntb/hw/mscc/ntb_hw_switchtec.c')
| -rw-r--r-- | drivers/ntb/hw/mscc/ntb_hw_switchtec.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c index 4c6eb61a6ac6..ec9cb6c81eda 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) @@ -840,7 +840,6 @@ static int switchtec_ntb_init_sndev(struct switchtec_ntb *sndev) u64 tpart_vec; int self; u64 part_map; - int bit; sndev->ntb.pdev = sndev->stdev->pdev; sndev->ntb.topo = NTB_TOPO_SWITCH; @@ -861,29 +860,28 @@ static int switchtec_ntb_init_sndev(struct switchtec_ntb *sndev) part_map = ioread64(&sndev->mmio_ntb->ep_map); part_map &= ~(1 << sndev->self_partition); - if (!ffs(tpart_vec)) { + if (!tpart_vec) { if (sndev->stdev->partition_count != 2) { dev_err(&sndev->stdev->dev, "ntb target partition not defined\n"); return -ENODEV; } - bit = ffs(part_map); - if (!bit) { + if (!part_map) { dev_err(&sndev->stdev->dev, "peer partition is not NT partition\n"); return -ENODEV; } - sndev->peer_partition = bit - 1; + sndev->peer_partition = __ffs64(part_map); } else { - if (ffs(tpart_vec) != fls(tpart_vec)) { + if (__ffs64(tpart_vec) != (fls64(tpart_vec) - 1)) { dev_err(&sndev->stdev->dev, "ntb driver only supports 1 pair of 1-1 ntb mapping\n"); return -ENODEV; } - sndev->peer_partition = ffs(tpart_vec) - 1; + sndev->peer_partition = __ffs64(tpart_vec); if (!(part_map & (1ULL << sndev->peer_partition))) { dev_err(&sndev->stdev->dev, "ntb target partition is not NT partition\n"); |