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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>
This commit is contained in:
Easwar Hariharan 2016-07-25 13:39:51 -07:00 committed by Doug Ledford
parent d9b13c2030
commit 3ca5f4c068
1 changed files with 0 additions and 14 deletions
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14
drivers/infiniband/hw/hfi1/platform.c
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@ -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);