iwlwifi: use pci registers defined in pci_regs.h

This patch replaces where possible usage of pci register
defined in the driver by ones defined in pci_regs.h

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 539960da7e1..397577c06c9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -940,11 +940,7 @@ int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
                 goto err;
 
         if (src == IWL_PWR_SRC_VAUX) {
-                u32 val;
-                ret = pci_read_config_dword(priv->pci_dev, PCI_CFG_POWER_SOURCE,
-                                            &val);
-
-                if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT)
+                if (pci_pme_capable(priv->pci_dev, PCI_D3cold))
                         iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
                                                APMG_PS_CTRL_VAL_PWR_SRC_VAUX,
                                                ~APMG_PS_CTRL_MSK_PWR_SRC);