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| author | Mitko Haralanov <mitko.haralanov@intel.com> | 2012-05-07 14:02:53 -0400 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2012-05-14 12:39:26 -0700 |
| commit | f665acb3cbc4d7d83bd655d21e4c7edc45029c46 (patch) | |
| tree | a29d7da50c7455b15dea05a7a26738395aca1270 /drivers/infiniband | |
| parent | 6ceaadee341da89af143c5cd56a3652b406e1ff5 (diff) | |
| download | blackbird-op-linux-f665acb3cbc4d7d83bd655d21e4c7edc45029c46.tar.gz blackbird-op-linux-f665acb3cbc4d7d83bd655d21e4c7edc45029c46.zip | |
IB/qib: Fix QLE734X link cycling
The SERDES was using the incorrect Frequency Loop Bandwidth setting
causing the link to cycle through the Physical link negotiation state
machine. Fixing the Frequency Loop Bandwidth setting in the SERDES
helps the link come up faster and more reliably.
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_iba7322.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index e7b9ad34fe2e..c881e744c091 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -7709,7 +7709,7 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd) ibsd_wr_allchans(ppd, 5, 0, BMASK(0, 0)); msleep(20); /* Set Frequency Loop Bandwidth */ - ibsd_wr_allchans(ppd, 2, (7 << 5), BMASK(8, 5)); + ibsd_wr_allchans(ppd, 2, (15 << 5), BMASK(8, 5)); /* Enable Frequency Loop */ ibsd_wr_allchans(ppd, 2, (1 << 4), BMASK(4, 4)); /* Set Timing Loop Bandwidth */ |
