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    Subject[PATCH 5.15 287/917] iwlwifi: mvm: disable RX-diversity in powersave
    Date
    From: Johannes Berg <johannes.berg@intel.com>

    [ Upstream commit e5322b9ab5f63536c41301150b7ce64605ce52cc ]

    Just like we have default SMPS mode as dynamic in powersave,
    we should not enable RX-diversity in powersave, to reduce
    power consumption when connected to a non-MIMO AP.

    Signed-off-by: Johannes Berg <johannes.berg@intel.com>
    Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
    Link: https://lore.kernel.org/r/iwlwifi.20211017113927.fc896bc5cdaa.I1d11da71b8a5cbe921a37058d5f578f1b14a2023@changeid
    Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
    index 4a3d2971a98b7..ec8a223f90e85 100644
    --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
    +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
    @@ -405,6 +405,9 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm,

    lockdep_assert_held(&mvm->mutex);

    + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
    + return false;
    +
    if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1)
    return false;

    --
    2.33.0


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