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>

diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c
index 03df9322f862984af68e82fca84295ad143ebed1..41af6297133ce73249671bd396e5fbef1945e04a 100644 (file)
--- 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);