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(parent: af53493) | patch
IB/hfi1: Add QSFP sanity pre-check
authorDean Luick <dean.luick@intel.com>
Wed, 31 Aug 2016 14:24:33 +0000 (07:24 -0700)
committerDoug Ledford <dledford@redhat.com>
Fri, 2 Sep 2016 18:26:55 +0000 (14:26 -0400)
commit673b975f1fbad5382f76afdb987e7513c5f4b71b
tree508586664d537f2b3d30324fdfc34c4886164936tree | snapshot
parentaf53493916693343955930556aaa83f875b8436acommit | diff
IB/hfi1: Add QSFP sanity pre-check

Sometimes a QSFP device does not respond in the expected time
after a power-on.  Add a read pre-check/retry when starting
the link on driver load.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/hfi1/chip.c diff | blob | history
drivers/infiniband/hw/hfi1/chip.h diff | blob | history
drivers/infiniband/hw/hfi1/hfi.h diff | blob | history
drivers/infiniband/hw/hfi1/init.c diff | blob | history
Domain: System / Kernel;