The rev_id variable is only printed, we
don't need to store it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 
 static u32 iwl_hw_detect(struct iwl_priv *priv)
 {
-       priv->rev_id = priv->pci_dev->revision;
-       IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", priv->rev_id);
+       u8 rev_id;
+
+       pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id);
+       IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
        return _iwl_read32(priv, CSR_HW_REV);
 }
 
 
 
        /* pci hardware address support */
        void __iomem *hw_base;
-       u8   rev_id;
 
        /* microcode/device supports multiple contexts */
        u8 valid_contexts;