From: Easwar Hariharan Date: Mon, 25 Jul 2016 20:39:51 +0000 (-0700) Subject: IB/hfi1: Disable external device configuration requests X-Git-Tag: v4.8-rc1~34^2~42 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ca5f4c06892fdd1c7a4587af4d92550a170ef37;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: Easwar Hariharan Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index 03df932..41af629 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);