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iwlwifi: cleanup PCI register handling

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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>
This commit is contained in:
Tomas Winkler
2008-09-03 11:26:49 +08:00
committed by John W. Linville
parent 926f0b2ef2
commit e7b635814b
6 changed files with 31 additions and 34 deletions
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27
drivers/net/wireless/iwlwifi/iwl-power.c
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@@ -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*/