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| author | Easwar Hariharan <easwar.hariharan@intel.com> | 2016-07-25 13:39:51 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-08-02 16:00:58 -0400 |
| commit | 3ca5f4c06892fdd1c7a4587af4d92550a170ef37 (patch) | |
| tree | 887c8aadd77ee621d025a1138ad338686a2517ba | |
| parent | d9b13c203003cfb78c1f216049a204d385ccaeff (diff) | |
| download | blackbird-op-linux-3ca5f4c06892fdd1c7a4587af4d92550a170ef37.tar.gz blackbird-op-linux-3ca5f4c06892fdd1c7a4587af4d92550a170ef37.zip | |
IB/hfi1: Disable external device configuration requests
QSFP CDR enablement is now controlled by determining power class
and the configuration file. We disable the DC 8051 from requesting
enablement or disabling of TX and RX CDRs by removing the code
that allowed the DC 8051 to request changes.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/hfi1/platform.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index 03df9322f862..41af6297133c 100644 --- a/drivers/infiniband/hw/hfi1/platform.c +++ b/drivers/infiniband/hw/hfi1/platform.c @@ -537,20 +537,6 @@ static void apply_tunings( u8 precur = 0, attn = 0, postcur = 0, external_device_config = 0; u8 *cache = ppd->qsfp_info.cache; - /* Enable external device config if channel is limiting active */ - read_8051_config(ppd->dd, LINK_OPTIMIZATION_SETTINGS, - GENERAL_CONFIG, &config_data); - 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) - dd_dev_err( - ppd->dd, - "%s: Failed to set enable external device config\n", - __func__); - - config_data = 0; /* re-init */ /* Pass tuning method to 8051 */ read_8051_config(ppd->dd, LINK_TUNING_PARAMETERS, GENERAL_CONFIG, &config_data); |
