From: Avri Altman <avri.altman@xxxxxxxxx> Disabling the clocks is a standard procedure while stopping the device. On family 8000 however, disabling the bus master DMA clock increases the NIC's power consumption. To fix this, skip this call if the device family is IWL_DEVICE_FAMILY_8000. Signed-off-by: Avri Altman <avri.altman@xxxxxxxxx> Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> --- drivers/net/wireless/iwlwifi/pcie/trans.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 47bbf57..d6f6515 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -1049,9 +1049,11 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) iwl_pcie_rx_stop(trans); /* Power-down device's busmaster DMA clocks */ - iwl_write_prph(trans, APMG_CLK_DIS_REG, - APMG_CLK_VAL_DMA_CLK_RQT); - udelay(5); + if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) { + iwl_write_prph(trans, APMG_CLK_DIS_REG, + APMG_CLK_VAL_DMA_CLK_RQT); + udelay(5); + } } /* Make sure (redundant) we've released our request to stay awake */ -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html