diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-08-18 18:41:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-08-18 18:41:12 +0200 |
| commit | f594d0b9b34aeb8e3ffa524eaa8a4085afb56d22 (patch) | |
| tree | 7ef81ad042bcfe78dc0f41e05cebfdbc268871c4 /drivers/infiniband/hw/hfi1/platform.c | |
| parent | b3830e8d478cd9fe33e820425ce431c8ef280967 (diff) | |
| parent | 7b0501b1e7cddd32b265178e32d332bdfbb532d4 (diff) | |
Merge branch 'x86/urgent' into x86/asm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/platform.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/platform.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index 03df9322f862..965c8aef0c60 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); @@ -638,9 +624,13 @@ static int tune_active_qsfp(struct hfi1_pportdata *ppd, u32 *ptr_tx_preset, if (ret) return ret; + /* + * We'll change the QSFP memory contents from here on out, thus we set a + * flag here to remind ourselves to reset the QSFP module. This prevents + * reuse of stale settings established in our previous pass through. + */ if (ppd->qsfp_info.reset_needed) { reset_qsfp(ppd); - ppd->qsfp_info.reset_needed = 0; refresh_qsfp_cache(ppd, &ppd->qsfp_info); } else { ppd->qsfp_info.reset_needed = 1; |