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IB/hfi1: Do not set physical link state if DC is in the shutdown state

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If the DC is in shutdown state, the set link state function will return
an error.  Since this is not a failure in this state, make sure to
only call set link state if the DC is on.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Michael J. Ruhl 2017-02-08 05:28:13 -08:00 committed by Doug Ledford
parent c27aad00d1
commit db069ecb5d
1 changed files with 10 additions and 8 deletions
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4
drivers/infiniband/hw/hfi1/chip.c
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@ -10510,6 +10510,7 @@ int set_link_state(struct hfi1_pportdata *ppd, u32 state)
ppd->remote_link_down_reason = 0;
}
if (!dd->dc_shutdown) {
ret1 = set_physical_link_state(dd, PLS_DISABLED);
if (ret1 != HCMD_SUCCESS) {
dd_dev_err(dd,
@ -10518,8 +10519,9 @@ int set_link_state(struct hfi1_pportdata *ppd, u32 state)
ret = -EINVAL;
break;
}
ppd->host_link_state = HLS_DN_DISABLE;
dc_shutdown(dd);
}
ppd->host_link_state = HLS_DN_DISABLE;
break;
case HLS_DN_OFFLINE:
if (ppd->host_link_state == HLS_DN_DISABLE)