diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-4965.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 0638f3e3760..bd0140be774 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -381,27 +381,20 @@ out: static void iwl4965_nic_config(struct iwl_priv *priv) { unsigned long flags; - u32 val; u16 radio_cfg; - u16 link; + u16 lctl; spin_lock_irqsave(&priv->lock, flags); - if ((priv->rev_id & 0x80) == 0x80 && (priv->rev_id & 0x7f) < 8) { - pci_read_config_dword(priv->pci_dev, PCI_REG_WUM8, &val); - /* Enable No Snoop field */ - pci_write_config_dword(priv->pci_dev, PCI_REG_WUM8, - val & ~(1 << 11)); - } - - pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &link); + lctl = iwl_pcie_link_ctl(priv); - /* L1 is enabled by BIOS */ - if ((link & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) - /* disable L0S disabled L1A enabled */ + /* HW bug W/A - negligible power consumption */ + /* L1-ASPM is enabled by BIOS */ + if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) + /* L1-ASPM enabled: disable L0S */ iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); else - /* L0S enabled L1A disabled */ + /* L1-ASPM disabled: enable L0S */ iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); |