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| author | Dean Luick <dean.luick@intel.com> | 2016-09-25 07:41:25 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-10-02 08:42:13 -0400 |
| commit | d5cf683e627ae0c4f338bf175fe4e12584acdc0f (patch) | |
| tree | beaddaf318f8c314ab5050c2d0dc78c3663792f8 /drivers/infiniband | |
| parent | f6aa783546460c27b0e8ed7f086a93d0b61119c7 (diff) | |
| download | blackbird-op-linux-d5cf683e627ae0c4f338bf175fe4e12584acdc0f.tar.gz blackbird-op-linux-d5cf683e627ae0c4f338bf175fe4e12584acdc0f.zip | |
IB/hfi1: Extend i2c timeout
Allow a longer timeout for i2c due to clock stretching and
inaccurate jiffy timing when under a spin lock. This timeout
is consistent with other i2c-algo-bit users.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@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>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/qsfp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/qsfp.c b/drivers/infiniband/hw/hfi1/qsfp.c index 4e95ad810847..1869f639c3ae 100644 --- a/drivers/infiniband/hw/hfi1/qsfp.c +++ b/drivers/infiniband/hw/hfi1/qsfp.c @@ -161,7 +161,7 @@ static struct hfi1_i2c_bus *init_i2c_bus(struct hfi1_devdata *dd, bus->algo.getsda = hfi1_getsda; bus->algo.getscl = hfi1_getscl; bus->algo.udelay = 5; - bus->algo.timeout = usecs_to_jiffies(50); + bus->algo.timeout = usecs_to_jiffies(100000); bus->algo.data = bus; bus->adapter.owner = THIS_MODULE; |
