diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2008-09-03 11:26:49 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-09-08 14:23:19 -0400 |
| commit | e7b635814b640c6fd9dca1c254dc22fac6fb9a1a (patch) | |
| tree | ff09a16f4a704b81dedde80a68728ddc4e423505 /drivers/net/wireless/iwlwifi/iwl-power.c | |
| parent | 926f0b2ef24041db876ec7213fbddd7cd4555951 (diff) | |
iwlwifi: cleanup PCI register handling
This patch cleans up pci registers handling.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-power.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-power.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index a099c9e30e5..eb6312d867d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -152,9 +152,10 @@ static u16 iwl_get_auto_power_mode(struct iwl_priv *priv) /* initialize to default */ static int iwl_power_init_handle(struct iwl_priv *priv) { - int ret = 0, i; struct iwl_power_mgr *pow_data; int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_MAX; + struct iwl_powertable_cmd *cmd; + int i; u16 pci_pm; IWL_DEBUG_POWER("Initialize power \n"); @@ -167,25 +168,19 @@ static int iwl_power_init_handle(struct iwl_priv *priv) memcpy(&pow_data->pwr_range_1[0], &range_1[0], size); memcpy(&pow_data->pwr_range_2[0], &range_2[0], size); - ret = pci_read_config_word(priv->pci_dev, - PCI_LINK_CTRL, &pci_pm); - if (ret != 0) - return 0; - else { - struct iwl_powertable_cmd *cmd; + pci_read_config_word(priv->pci_dev, PCI_CFG_LINK_CTRL, &pci_pm); - IWL_DEBUG_POWER("adjust power command flags\n"); + IWL_DEBUG_POWER("adjust power command flags\n"); - for (i = 0; i < IWL_POWER_MAX; i++) { - cmd = &pow_data->pwr_range_0[i].cmd; + for (i = 0; i < IWL_POWER_MAX; i++) { + cmd = &pow_data->pwr_range_0[i].cmd; - if (pci_pm & 0x1) - cmd->flags &= ~IWL_POWER_PCI_PM_MSK; - else - cmd->flags |= IWL_POWER_PCI_PM_MSK; - } + if (pci_pm & PCI_CFG_LINK_CTRL_VAL_L0S_EN) + cmd->flags &= ~IWL_POWER_PCI_PM_MSK; + else + cmd->flags |= IWL_POWER_PCI_PM_MSK; } - return ret; + return 0; } /* adjust power command according to dtim period and power level*/ |