diff options
| author | Jan Sokolowski | 2017-08-28 20:23:21 +0200 |
|---|---|---|
| committer | Doug Ledford | 2017-08-29 01:12:26 +0200 |
| commit | ba81a427c35c827bb220f1a87231b3460e0bd879 (patch) | |
| tree | ad88df1085ee295f5f71512bbc7c6c5c3361a352 /drivers/infiniband/hw | |
| parent | i40iw: make some structures const (diff) | |
| download | kernel-qcow2-linux-ba81a427c35c827bb220f1a87231b3460e0bd879.tar.gz kernel-qcow2-linux-ba81a427c35c827bb220f1a87231b3460e0bd879.tar.xz kernel-qcow2-linux-ba81a427c35c827bb220f1a87231b3460e0bd879.zip | |
IB/hfi1: Acquire QSFP cable information on loopback
Currently, QSFP information is not queried
in cases where loopback was set up and QSFP module is
present.
Acquire QSFP information in case of loopback.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -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; } |