diff options
| author | Dean Luick <dean.luick@intel.com> | 2016-05-24 22:51:00 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-26 19:21:10 +0300 |
| commit | f6de3d39cfc30387ce7dadb8542e4a635c706670 (patch) | |
| tree | be83d0a615a9a7038ae833369f000bb9b4c72336 /drivers/infiniband/hw/hfi1/platform.c | |
| parent | ce8b2fd0950ccc14440b02f05d2c7023608cfa76 (diff) | |
| download | linux-f6de3d39cfc30387ce7dadb8542e4a635c706670.tar.xz | |
IB/hfi1: Correct 8051 link parameter settings
Two 8051 link settings, external device config and tuning method,
were written in the wrong location and the previous settings were
not cleared. For both, clear the old value and write the new
value.
Fixes: 8ebd4cf1852a ("staging/rdma/hfi1: Add active and optical cable support")
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/platform.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/platform.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index ae0e4985cc7e..03df9322f862 100644 --- a/drivers/infiniband/hw/hfi1/platform.c +++ b/drivers/infiniband/hw/hfi1/platform.c @@ -540,7 +540,8 @@ static void apply_tunings( /* Enable external device config if channel is limiting active */ read_8051_config(ppd->dd, LINK_OPTIMIZATION_SETTINGS, GENERAL_CONFIG, &config_data); - config_data |= limiting_active; + config_data &= ~(0xff << ENABLE_EXT_DEV_CONFIG_SHIFT); + config_data |= ((u32)limiting_active << ENABLE_EXT_DEV_CONFIG_SHIFT); ret = load_8051_config(ppd->dd, LINK_OPTIMIZATION_SETTINGS, GENERAL_CONFIG, config_data); if (ret != HCMD_SUCCESS) @@ -553,7 +554,8 @@ static void apply_tunings( /* Pass tuning method to 8051 */ read_8051_config(ppd->dd, LINK_TUNING_PARAMETERS, GENERAL_CONFIG, &config_data); - config_data |= tuning_method; + config_data &= ~(0xff << TUNING_METHOD_SHIFT); + config_data |= ((u32)tuning_method << TUNING_METHOD_SHIFT); ret = load_8051_config(ppd->dd, LINK_TUNING_PARAMETERS, GENERAL_CONFIG, config_data); if (ret != HCMD_SUCCESS) |