提交 3ca5f4c0 编写于 作者: E Easwar Hariharan 提交者: Doug Ledford

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: NDean Luick <dean.luick@intel.com>
Signed-off-by: NEaswar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>
上级 d9b13c20
......@@ -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);
......
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