diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/platform.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index 8004f1da7548..a8af96d2b1b0 100644 --- a/drivers/infiniband/hw/hfi1/platform.c +++ b/drivers/infiniband/hw/hfi1/platform.c @@ -944,6 +944,21 @@ void tune_serdes(struct hfi1_pportdata *ppd) if (loopback != LOOPBACK_NONE || ppd->dd->icode == ICODE_FUNCTIONAL_SIMULATOR) { ppd->driver_link_ready = 1; + + if (qsfp_mod_present(ppd)) { + ret = acquire_chip_resource(ppd->dd, + qsfp_resource(ppd->dd), + QSFP_WAIT); + if (ret) { + dd_dev_err(ppd->dd, "%s: hfi%d: cannot lock i2c chain\n", + __func__, (int)ppd->dd->hfi1_id); + goto bail; + } + + refresh_qsfp_cache(ppd, &ppd->qsfp_info); + release_chip_resource(ppd->dd, qsfp_resource(ppd->dd)); + } + return; } |