diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/dvm/main.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/main.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index bba3edfb3488..c642c217e29f 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -51,11 +51,13 @@ #include "iwl-op-mode.h" #include "iwl-drv.h" #include "iwl-modparams.h" +#include "iwl-prph.h" #include "dev.h" #include "calib.h" #include "agn.h" + /****************************************************************************** * * module boiler plate @@ -2076,7 +2078,16 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode) CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); - priv->lib->nic_config(priv); + /* W/A : NIC is stuck in a reset state after Early PCIe power off + * (PCIe power is lost before PERST# is asserted), + * causing ME FW to lose ownership and not being able to obtain it back. + */ + iwl_set_bits_mask_prph(priv->trans, APMG_PS_CTRL_REG, + APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, + ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); + + if (priv->lib->nic_config) + priv->lib->nic_config(priv); } static void iwl_wimax_active(struct iwl_op_mode *op_mode) |