diff options
| author | Avri Altman <avri.altman@intel.com> | 2015-06-18 05:39:41 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-08-04 20:29:39 +0200 |
| commit | be681c7d103c4b3df5c51acaba5a578002a16488 (patch) | |
| tree | c274606f22cd9608e35bdddf6c9338322b22e90a | |
| parent | iwlwifi: pcie: dump RBs when FW error occurs (diff) | |
| download | linux-be681c7d103c4b3df5c51acaba5a578002a16488.tar.xz linux-be681c7d103c4b3df5c51acaba5a578002a16488.zip | |
iwlwifi: mvm: revert to our old skip over dtim policy
Our firmware scheduler used to suffer from false wake-up on 500 time units.
We had to came up with a formula to address this buggy behavior.
Now that our firmware is fixed, we can go back to our old policy.
Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index 506294fc2f87..c4e08903366c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -288,27 +288,6 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, return true; } -static int iwl_mvm_power_get_skip_over_dtim(int dtimper, int bi) -{ - int numerator; - int dtim_interval = dtimper * bi; - - if (WARN_ON(!dtim_interval)) - return 0; - - if (dtimper == 1) { - if (bi > 100) - numerator = 408; - else - numerator = 510; - } else if (dtimper < 10) { - numerator = 612; - } else { - return 0; - } - return max(1, (numerator / dtim_interval)); -} - static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) { struct ieee80211_chanctx_conf *chanctx_conf; @@ -378,11 +357,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, if (!radar_detect && (dtimper < 10) && (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || mvm->cur_ucode == IWL_UCODE_WOWLAN)) { - cmd->skip_dtim_periods = - iwl_mvm_power_get_skip_over_dtim(dtimper, bi); - if (cmd->skip_dtim_periods) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + cmd->skip_dtim_periods = 3; } if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { |