34 files changed, 63 insertions, 157 deletions

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 58bbc3e6d0de..807e6992e614 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1799,7 +1799,6 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         void __iomem *regs;
         resource_size_t pciaddr;
         unsigned int addr_len, i, pci_using_dac;
-        u8 pci_rev;
 
 #ifndef MODULE
         static int version_printed;
@@ -1807,13 +1806,11 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                 printk("%s", version);
 #endif
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &pci_rev);
-
         if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
-            pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pci_rev < 0x20) {
+            pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision < 0x20) {
                 dev_err(&pdev->dev,
                            "This (id %04x:%04x rev %02x) is not an 8139C+ compatible chip\n",
-                           pdev->vendor, pdev->device, pci_rev);
+                           pdev->vendor, pdev->device, pdev->revision);
                 dev_err(&pdev->dev, "Try the \"8139too\" driver instead.\n");
                 return -ENODEV;
         }
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 21a6ccbf92e0..327eaa7b4999 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -931,7 +931,6 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
         int i, addr_len, option;
         void __iomem *ioaddr;
         static int board_idx = -1;
-        u8 pci_rev;
 
         assert (pdev != NULL);
         assert (ent != NULL);
@@ -949,13 +948,11 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
         }
 #endif
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &pci_rev);
-
         if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
-            pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pci_rev >= 0x20) {
+            pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) {
                 dev_info(&pdev->dev,
                            "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip\n",
-                           pdev->vendor, pdev->device, pci_rev);
+                           pdev->vendor, pdev->device, pdev->revision);
                 dev_info(&pdev->dev,
                            "Use the \"8139cp\" driver for improved performance and stability.\n");
         }
diff --git a/drivers/net/atl1/atl1.h b/drivers/net/atl1/atl1.h
index b1c6034e68fa..df4c1a0071aa 100644
--- a/drivers/net/atl1/atl1.h
+++ b/drivers/net/atl1/atl1.h
@@ -210,7 +210,6 @@ struct atl1_hw {
         u16 phy_spd_default;
 
         u16 dev_rev;
-        u8 revision_id;
 
         /* spi flash */
         u8 flash_vendor;
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index 3bb40dd4a410..501919eb7f5e 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -118,10 +118,6 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter)
 {
         struct atl1_hw *hw = &adapter->hw;
         struct net_device *netdev = adapter->netdev;
-        struct pci_dev *pdev = adapter->pdev;
-
-        /* PCI config space info */
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
 
         hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
         hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index d681903c592d..02e994b1b028 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6736,10 +6736,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
                                                   amd_8132))) {
-                        u8 rev;
 
-                        pci_read_config_byte(amd_8132, PCI_REVISION_ID, &rev);
-                        if (rev >= 0x10 && rev <= 0x13) {
+                        if (amd_8132->revision >= 0x10 &&
+                            amd_8132->revision <= 0x13) {
                                 disable_msi = 1;
                                 pci_dev_put(amd_8132);
                                 break;
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 59b9943b077d..f6e4030c73d1 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -3422,21 +3422,19 @@ done:
 static void cas_check_pci_invariants(struct cas *cp)
 {
         struct pci_dev *pdev = cp->pdev;
-        u8 rev;
 
         cp->cas_flags = 0;
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
         if ((pdev->vendor == PCI_VENDOR_ID_SUN) &&
             (pdev->device == PCI_DEVICE_ID_SUN_CASSINI)) {
-                if (rev >= CAS_ID_REVPLUS)
+                if (pdev->revision >= CAS_ID_REVPLUS)
                         cp->cas_flags |= CAS_FLAG_REG_PLUS;
-                if (rev < CAS_ID_REVPLUS02u)
+                if (pdev->revision < CAS_ID_REVPLUS02u)
                         cp->cas_flags |= CAS_FLAG_TARGET_ABORT;
 
                 /* Original Cassini supports HW CSUM, but it's not
                  * enabled by default as it can trigger TX hangs.
                  */
-                if (rev < CAS_ID_REV2)
+                if (pdev->revision < CAS_ID_REV2)
                         cp->cas_flags |= CAS_FLAG_NO_HW_CSUM;
         } else {
                 /* Only sun has original cassini chips.  */
@@ -4919,13 +4917,13 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
         pci_cmd &= ~PCI_COMMAND_SERR;
         pci_cmd |= PCI_COMMAND_PARITY;
         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
-        if (pci_set_mwi(pdev))
+        if (pci_try_set_mwi(pdev))
                 printk(KERN_WARNING PFX "Could not enable MWI for %s\n",
                        pci_name(pdev));
 
         /*
          * On some architectures, the default cache line size set
-         * by pci_set_mwi reduces perforamnce.  We have to increase
+         * by pci_try_set_mwi reduces perforamnce.  We have to increase
          * it for this case.  To start, we'll print some configuration
          * data.
          */
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index a4ace071f1cb..04e3710c9082 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -250,7 +250,6 @@ rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
                         np->an_enable = 1;
                 mii_set_media (dev);
         }
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &np->pci_rev_id);
 
         err = register_netdev (dev);
         if (err)
@@ -879,7 +878,7 @@ receive_packet (struct net_device *dev)
                         skb->protocol = eth_type_trans (skb, dev);
 #if 0
                         /* Checksum done by hw, but csum value unavailable. */
-                        if (np->pci_rev_id >= 0x0c &&
+                        if (np->pdev->pci_rev_id >= 0x0c &&
                                 !(frame_status & (TCPError | UDPError | IPError))) {
                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
                         }
diff --git a/drivers/net/dl2k.h b/drivers/net/dl2k.h
index 814c449c359f..e443065a452e 100644
--- a/drivers/net/dl2k.h
+++ b/drivers/net/dl2k.h
@@ -668,7 +668,6 @@ struct netdev_private {
         unsigned int rx_flow:1;         /* Rx flow control enable */
         unsigned int phy_media:1;       /* 1: fiber, 0: copper */
         unsigned int link_status:1;     /* Current link status */
-        unsigned char pci_rev_id;       /* PCI revision ID */
         struct netdev_desc *last_tx;    /* Last Tx descriptor used. */
         unsigned long cur_rx, old_rx;   /* Producer/consumer ring indices */
         unsigned long cur_tx, old_tx;
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 74ea6373c7cd..6b6401e9304e 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -583,7 +583,6 @@ struct nic {
         u32 rx_tco_frames;
         u32 rx_over_length_errors;
 
-        u8 rev_id;
         u16 leds;
         u16 eeprom_wc;
         u16 eeprom[256];
@@ -937,9 +936,8 @@ static void e100_get_defaults(struct nic *nic)
         struct param_range rfds = { .min = 16, .max = 256, .count = 256 };
         struct param_range cbs  = { .min = 64, .max = 256, .count = 128 };
 
-        pci_read_config_byte(nic->pdev, PCI_REVISION_ID, &nic->rev_id);
         /* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */
-        nic->mac = (nic->flags & ich) ? mac_82559_D101M : nic->rev_id;
+        nic->mac = (nic->flags & ich) ? mac_82559_D101M : nic->pdev->revision;
         if(nic->mac == mac_unknown)
                 nic->mac = mac_82557_D100_A;
 
@@ -1279,7 +1277,7 @@ static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb
         if (nic->flags & ich)
                 goto noloaducode;
 
-        /* Search for ucode match against h/w rev_id */
+        /* Search for ucode match against h/w revision */
         for (opts = ucode_opts; opts->mac; opts++) {
                 int i;
                 u32 *ucode = opts->ucode;
@@ -2238,7 +2236,7 @@ static void e100_get_regs(struct net_device *netdev,
         u32 *buff = p;
         int i;
 
-        regs->version = (1 << 24) | nic->rev_id;
+        regs->version = (1 << 24) | nic->pdev->revision;
         buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
                 ioread8(&nic->csr->scb.cmd_lo) << 16 |
                 ioread16(&nic->csr->scb.status);
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index cf8af928a69c..f48b659e0c2b 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1266,8 +1266,7 @@ e1000_sw_init(struct e1000_adapter *adapter)
         hw->device_id = pdev->device;
         hw->subsystem_vendor_id = pdev->subsystem_vendor;
         hw->subsystem_id = pdev->subsystem_device;
-
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
+        hw->revision_id = pdev->revision;
 
         pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
 
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 42ba1c012ee2..67046e8c21eb 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -5084,15 +5084,13 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
         np->wolenabled = 0;
 
         if (id->driver_data & DEV_HAS_POWER_CNTRL) {
-                u8 revision_id;
-                pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id);
 
                 /* take phy and nic out of low power mode */
                 powerstate = readl(base + NvRegPowerState2);
                 powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK;
                 if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 ||
                      id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) &&
-                    revision_id >= 0xA3)
+                    pci_dev->revision >= 0xA3)
                         powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3;
                 writel(powerstate, base + NvRegPowerState2);
         }
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 56f8197b953b..b703ccfe040b 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -54,8 +54,6 @@ static char netxen_nic_driver_string[] = "NetXen Network Driver version "
 #define NETXEN_ADAPTER_UP_MAGIC 777
 #define NETXEN_NIC_PEG_TUNE 0
 
-u8 nx_p2_id = NX_P2_C0;
-
 #define DMA_32BIT_MASK  0x00000000ffffffffULL
 #define DMA_35BIT_MASK  0x00000007ffffffffULL
 
@@ -307,8 +305,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_out_disable_pdev;
 
         pci_set_master(pdev);
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &nx_p2_id);
-        if (nx_p2_id == NX_P2_C1 &&
+        if (pdev->revision == NX_P2_C1 &&
             (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) &&
             (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) {
                 pci_using_dac = 1;
@@ -552,7 +549,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
         adapter->ahw.pdev = pdev;
         adapter->proc_cmd_buf_counter = 0;
-        adapter->ahw.revision_id = nx_p2_id;
+        adapter->ahw.revision_id = pdev->revision;
 
         /* make sure Window == 1 */
         netxen_nic_pci_change_crbwindow(adapter, 1);
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index fa29a403a247..58bbfdd4f901 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -1135,7 +1135,7 @@ static int init_nic(struct s2io_nic *nic)
          * SXE-008 TRANSMIT DMA ARBITRATION ISSUE.
          */
         if ((nic->device_type == XFRAME_I_DEVICE) &&
-                (get_xena_rev_id(nic->pdev) < 4))
+                (nic->pdev->revision < 4))
                 writeq(PCC_ENABLE_FOUR, &bar0->pcc_enable);
 
         val64 = readq(&bar0->tx_fifo_partition_0);
@@ -1873,7 +1873,7 @@ static int verify_pcc_quiescent(struct s2io_nic *sp, int flag)
         herc = (sp->device_type == XFRAME_II_DEVICE);
 
         if (flag == FALSE) {
-                if ((!herc && (get_xena_rev_id(sp->pdev) >= 4)) || herc) {
+                if ((!herc && (sp->pdev->revision >= 4)) || herc) {
                         if (!(val64 & ADAPTER_STATUS_RMAC_PCC_IDLE))
                                 ret = 1;
                 } else {
@@ -1881,7 +1881,7 @@ static int verify_pcc_quiescent(struct s2io_nic *sp, int flag)
                                 ret = 1;
                 }
         } else {
-                if ((!herc && (get_xena_rev_id(sp->pdev) >= 4)) || herc) {
+                if ((!herc && (sp->pdev->revision >= 4)) || herc) {
                         if (((val64 & ADAPTER_STATUS_RMAC_PCC_IDLE) ==
                              ADAPTER_STATUS_RMAC_PCC_IDLE))
                                 ret = 1;
@@ -7076,23 +7076,6 @@ static void s2io_link(struct s2io_nic * sp, int link)
 }
 
 /**
- *  get_xena_rev_id - to identify revision ID of xena.
- *  @pdev : PCI Dev structure
- *  Description:
- *  Function to identify the Revision ID of xena.
- *  Return value:
- *  returns the revision ID of the device.
- */
-
-static int get_xena_rev_id(struct pci_dev *pdev)
-{
-        u8 id = 0;
-        int ret;
-        ret = pci_read_config_byte(pdev, PCI_REVISION_ID, (u8 *) & id);
-        return id;
-}
-
-/**
  *  s2io_init_pci -Initialization of PCI and PCI-X configuration registers .
  *  @sp : private member of the device structure, which is a pointer to the
  *  s2io_nic structure.
@@ -7550,7 +7533,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
         s2io_vpd_read(sp);
         DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2007 Neterion Inc.\n");
         DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n",dev->name,
-                  sp->product_name, get_xena_rev_id(sp->pdev));
+                  sp->product_name, pdev->revision);
         DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name,
                   s2io_driver_version);
         DBG_PRINT(ERR_DBG, "%s: MAC ADDR: "
diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h
index 58592780f519..3887fe63a908 100644
--- a/drivers/net/s2io.h
+++ b/drivers/net/s2io.h
@@ -1033,7 +1033,6 @@ static void s2io_set_link(struct work_struct *work);
 static int s2io_set_swapper(struct s2io_nic * sp);
 static void s2io_card_down(struct s2io_nic *nic);
 static int s2io_card_up(struct s2io_nic *nic);
-static int get_xena_rev_id(struct pci_dev *pdev);
 static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit,
                                         int bit_state);
 static int s2io_add_isr(struct s2io_nic * sp);
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index f2e101967204..8b6478663a56 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -740,7 +740,7 @@ static int __devinit starfire_init_one(struct pci_dev *pdev,
         pci_set_master(pdev);
 
         /* enable MWI -- it vastly improves Rx performance on sparc64 */
-        pci_set_mwi(pdev);
+        pci_try_set_mwi(pdev);
 
 #ifdef ZEROCOPY
         /* Starfire can do TCP/UDP checksumming */
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index c8ba534c17bf..af0c9831074c 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -397,7 +397,6 @@ struct netdev_private {
         unsigned char phys[MII_CNT];            /* MII device addresses, only first one used. */
         struct pci_dev *pci_dev;
         void __iomem *base;
-        unsigned char pci_rev_id;
 };
 
 /* The station address location in the EEPROM. */
@@ -544,8 +543,6 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
         dev->change_mtu = &change_mtu;
         pci_set_drvdata(pdev, dev);
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &np->pci_rev_id);
-
         i = register_netdev(dev);
         if (i)
                 goto err_out_unmap_rx;
@@ -828,7 +825,7 @@ static int netdev_open(struct net_device *dev)
         iowrite8(100, ioaddr + RxDMAPollPeriod);
         iowrite8(127, ioaddr + TxDMAPollPeriod);
         /* Fix DFE-580TX packet drop issue */
-        if (np->pci_rev_id >= 0x14)
+        if (np->pci_dev->revision >= 0x14)
                 iowrite8(0x01, ioaddr + DebugCtrl1);
         netif_start_queue(dev);
 
@@ -1194,7 +1191,7 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
                         hw_frame_id = ioread8(ioaddr + TxFrameId);
                 }
 
-                if (np->pci_rev_id >= 0x14) {
+                if (np->pci_dev->revision >= 0x14) {
                         spin_lock(&np->lock);
                         for (; np->cur_tx - np->dirty_tx > 0; np->dirty_tx++) {
                                 int entry = np->dirty_tx % TX_RING_SIZE;
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 15146a119230..8b35f13318ea 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -3095,12 +3095,8 @@ static int __devinit happy_meal_pci_probe(struct pci_dev *pdev,
 
 #ifdef CONFIG_SPARC
         hp->hm_revision = of_getintprop_default(dp, "hm-rev", 0xff);
-        if (hp->hm_revision == 0xff) {
-                unsigned char prev;
-
-                pci_read_config_byte(pdev, PCI_REVISION_ID, &prev);
-                hp->hm_revision = 0xc0 | (prev & 0x0f);
-        }
+        if (hp->hm_revision == 0xff)
+                hp->hm_revision = 0xc0 | (pdev->revision & 0x0f);
 #else
         /* works with this on non-sparc hosts */
         hp->hm_revision = 0x20;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 3245f16baabc..32e4037dcb50 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -10551,11 +10551,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                                 continue;
                         }
                         if (pci_id->rev != PCI_ANY_ID) {
-                                u8 rev;
-
-                                pci_read_config_byte(bridge, PCI_REVISION_ID,
-                                                     &rev);
-                                if (rev > pci_id->rev)
+                                if (bridge->revision > pci_id->rev)
                                         continue;
                         }
                         if (bridge->subordinate &&
diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index 106dc1ef0acb..74eb12107e68 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -533,7 +533,6 @@ static int __devinit TLan_probe1(struct pci_dev *pdev,
 
         struct net_device  *dev;
         TLanPrivateInfo    *priv;
-        u8                 pci_rev;
         u16                device_id;
         int                reg, rc = -ENODEV;
 
@@ -577,8 +576,6 @@ static int __devinit TLan_probe1(struct pci_dev *pdev,
                         goto err_out_free_dev;
                 }
 
-                pci_read_config_byte ( pdev, PCI_REVISION_ID, &pci_rev);
-
                 for ( reg= 0; reg <= 5; reg ++ ) {
                         if (pci_resource_flags(pdev, reg) & IORESOURCE_IO) {
                                 pci_io_base = pci_resource_start(pdev, reg);
@@ -595,7 +592,7 @@ static int __devinit TLan_probe1(struct pci_dev *pdev,
 
                 dev->base_addr = pci_io_base;
                 dev->irq = pdev->irq;
-                priv->adapterRev = pci_rev;
+                priv->adapterRev = pdev->revision;
                 pci_set_master(pdev);
                 pci_set_drvdata(pdev, dev);
 
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index 42fca26afc50..09902891a6e6 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -2134,7 +2134,7 @@ srom_search(struct net_device *dev, struct pci_dev *pdev)
     u_short vendor, status;
     u_int irq = 0, device;
     u_long iobase = 0;                     /* Clear upper 32 bits in Alphas */
-    int i, j, cfrv;
+    int i, j;
     struct de4x5_private *lp = netdev_priv(dev);
     struct list_head *walk;
 
@@ -2150,7 +2150,6 @@ srom_search(struct net_device *dev, struct pci_dev *pdev)
 
         /* Get the chip configuration revision register */
         pb = this_dev->bus->number;
-        pci_read_config_dword(this_dev, PCI_REVISION_ID, &cfrv);
 
         /* Set the device number information */
         lp->device = PCI_SLOT(this_dev->devfn);
@@ -2158,7 +2157,8 @@ srom_search(struct net_device *dev, struct pci_dev *pdev)
 
         /* Set the chipset information */
         if (is_DC2114x) {
-            device = ((cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143);
+            device = ((this_dev->revision & CFRV_RN) < DC2114x_BRK
+                      ? DC21142 : DC21143);
         }
         lp->chipset = device;
 
@@ -2254,7 +2254,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev,
         }
 
         /* Get the chip configuration revision register */
-        pci_read_config_dword(pdev, PCI_REVISION_ID, &lp->cfrv);
+        lp->cfrv = pdev->revision;
 
         /* Set the device number information */
         lp->device = dev_num;
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index 4ed67ff0e81e..dab74feb44bc 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -181,11 +181,12 @@
         udelay(5);
 
 #define __CHK_IO_SIZE(pci_id, dev_rev) \
- (( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x02000030) ) ? \
+ (( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x30) ) ? \
         DM9102A_IO_SIZE: DM9102_IO_SIZE)
 
-#define CHK_IO_SIZE(pci_dev, dev_rev) \
-        (__CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, dev_rev))
+#define CHK_IO_SIZE(pci_dev) \
+        (__CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, \
+        (pci_dev)->revision))
 
 /* Sten Check */
 #define DEVICE net_device
@@ -205,7 +206,7 @@ struct rx_desc {
 
 struct dmfe_board_info {
         u32 chip_id;                    /* Chip vendor/Device ID */
-        u32 chip_revision;              /* Chip revision */
+        u8 chip_revision;               /* Chip revision */
         struct DEVICE *next_dev;        /* next device */
         struct pci_dev *pdev;           /* PCI device */
         spinlock_t lock;
@@ -359,7 +360,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
 {
         struct dmfe_board_info *db;     /* board information structure */
         struct net_device *dev;
-        u32 dev_rev, pci_pmr;
+        u32 pci_pmr;
         int i, err;
 
         DMFE_DBUG(0, "dmfe_init_one()", 0);
@@ -392,10 +393,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
                 goto err_out_disable;
         }
 
-        /* Read Chip revision */
-        pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
-
-        if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev, dev_rev)) ) {
+        if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev)) ) {
                 printk(KERN_ERR DRV_NAME ": Allocated I/O size too small\n");
                 err = -ENODEV;
                 goto err_out_disable;
@@ -433,7 +431,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
 
         db->chip_id = ent->driver_data;
         db->ioaddr = pci_resource_start(pdev, 0);
-        db->chip_revision = dev_rev;
+        db->chip_revision = pdev->revision;
         db->wol_mode = 0;
 
         db->pdev = pdev;
@@ -455,7 +453,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
 
         pci_read_config_dword(pdev, 0x50, &pci_pmr);
         pci_pmr &= 0x70000;
-        if ( (pci_pmr == 0x10000) && (dev_rev == 0x02000031) )
+        if ( (pci_pmr == 0x10000) && (db->chip_revision == 0x31) )
                 db->chip_type = 1;      /* DM9102A E3 */
         else
                 db->chip_type = 0;
@@ -553,7 +551,7 @@ static int dmfe_open(struct DEVICE *dev)
 
         /* CR6 operation mode decision */
         if ( !chkmode || (db->chip_id == PCI_DM9132_ID) ||
-                (db->chip_revision >= 0x02000030) ) {
+                (db->chip_revision >= 0x30) ) {
                 db->cr6_data |= DMFE_TXTH_256;
                 db->cr0_data = CR0_DEFAULT;
                 db->dm910x_chk_mode=4;          /* Enter the normal mode */
@@ -1199,9 +1197,9 @@ static void dmfe_timer(unsigned long data)
                 tmp_cr12 = inb(db->ioaddr + DCR12);     /* DM9102/DM9102A */
 
         if ( ((db->chip_id == PCI_DM9102_ID) &&
-                (db->chip_revision == 0x02000030)) ||
+                (db->chip_revision == 0x30)) ||
                 ((db->chip_id == PCI_DM9132_ID) &&
-                (db->chip_revision == 0x02000010)) ) {
+                (db->chip_revision == 0x10)) ) {
                 /* DM9102A Chip */
                 if (tmp_cr12 & 2)
                         link_ok = 0;
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 041af63f2811..7dcd138b0fed 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -1155,7 +1155,7 @@ static void __devinit tulip_mwi_config (struct pci_dev *pdev,
         /* set or disable MWI in the standard PCI command bit.
          * Check for the case where  mwi is desired but not available
          */
-        if (csr0 & MWI) pci_set_mwi(pdev);
+        if (csr0 & MWI) pci_try_set_mwi(pdev);
         else            pci_clear_mwi(pdev);
 
         /* read result from hardware (in case bit refused to enable) */
@@ -1238,7 +1238,6 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
         };
         static int last_irq;
         static int multiport_cnt;       /* For four-port boards w/one EEPROM */
-        u8 chip_rev;
         int i, irq;
         unsigned short sum;
         unsigned char *ee_data;
@@ -1274,10 +1273,8 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
 
         if (pdev->vendor == 0x1282 && pdev->device == 0x9100)
         {
-                u32 dev_rev;
                 /* Read Chip revision */
-                pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
-                if(dev_rev < 0x02000030)
+                if (pdev->revision < 0x02000030)
                 {
                         printk(KERN_ERR PFX "skipping early DM9100 with Crc bug (use dmfe)\n");
                         return -ENODEV;
@@ -1360,8 +1357,6 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
         if (!ioaddr)
                 goto err_out_free_res;
 
-        pci_read_config_byte (pdev, PCI_REVISION_ID, &chip_rev);
-
         /*
          * initialize private data structure 'tp'
          * it is zeroed and aligned in alloc_etherdev
@@ -1382,7 +1377,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
         tp->flags = tulip_tbl[chip_idx].flags;
         tp->pdev = pdev;
         tp->base_addr = ioaddr;
-        tp->revision = chip_rev;
+        tp->revision = pdev->revision;
         tp->csr0 = csr0;
         spin_lock_init(&tp->lock);
         spin_lock_init(&tp->mii_lock);
@@ -1399,7 +1394,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
                 tulip_mwi_config (pdev, dev);
 #else
         /* MWI is broken for DC21143 rev 65... */
-        if (chip_idx == DC21143 && chip_rev == 65)
+        if (chip_idx == DC21143 && pdev->revision == 65)
                 tp->csr0 &= ~MWI;
 #endif
 
@@ -1640,7 +1635,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
 #else
                 "Port"
 #endif
-                " %#llx,", dev->name, chip_name, chip_rev,
+                " %#llx,", dev->name, chip_name, pdev->revision,
                 (unsigned long long) pci_resource_start(pdev, TULIP_BAR));
         pci_set_drvdata(pdev, dev);
 
diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c
index 37e35cd277a1..16a54e6b8d4f 100644
--- a/drivers/net/tulip/xircom_cb.c
+++ b/drivers/net/tulip/xircom_cb.c
@@ -205,7 +205,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
 {
         struct net_device *dev = NULL;
         struct xircom_private *private;
-        unsigned char chip_rev;
         unsigned long flags;
         unsigned short tmp16;
         enter("xircom_probe");
@@ -224,8 +223,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
         pci_read_config_word (pdev,PCI_STATUS, &tmp16);
         pci_write_config_word (pdev, PCI_STATUS,tmp16);
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &chip_rev);
-
         if (!request_region(pci_resource_start(pdev, 0), 128, "xircom_cb")) {
                 printk(KERN_ERR "xircom_probe: failed to allocate io-region\n");
                 return -ENODEV;
@@ -286,7 +283,7 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
                 goto reg_fail;
         }
 
-        printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, chip_rev, pdev->irq);
+        printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, pdev->revision, pdev->irq);
         /* start the transmitter to get a heartbeat */
         /* TODO: send 2 dummy packets here */
         transceiver_voodoo(private);
diff --git a/drivers/net/tulip/xircom_tulip_cb.c b/drivers/net/tulip/xircom_tulip_cb.c
index f984fbde8b23..fc439f333350 100644
--- a/drivers/net/tulip/xircom_tulip_cb.c
+++ b/drivers/net/tulip/xircom_tulip_cb.c
@@ -524,7 +524,6 @@ static int __devinit xircom_init_one(struct pci_dev *pdev, const struct pci_devi
         int chip_idx = id->driver_data;
         long ioaddr;
         int i;
-        u8 chip_rev;
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -620,9 +619,8 @@ static int __devinit xircom_init_one(struct pci_dev *pdev, const struct pci_devi
         if (register_netdev(dev))
                 goto err_out_cleardev;
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &chip_rev);
         printk(KERN_INFO "%s: %s rev %d at %#3lx,",
-               dev->name, xircom_tbl[chip_idx].chip_name, chip_rev, ioaddr);
+               dev->name, xircom_tbl[chip_idx].chip_name, pdev->revision, ioaddr);
         for (i = 0; i < 6; i++)
                 printk("%c%2.2X", i ? ':' : ' ', dev->dev_addr[i]);
         printk(", IRQ %d.\n", dev->irq);
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index df524548d531..03587205546e 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -2267,12 +2267,6 @@ need_resume:
         typhoon_resume(pdev);
         return -EBUSY;
 }
-
-static int
-typhoon_enable_wake(struct pci_dev *pdev, pci_power_t state, int enable)
-{
-        return pci_enable_wake(pdev, state, enable);
-}
 #endif
 
 static int __devinit
@@ -2636,7 +2630,6 @@ static struct pci_driver typhoon_driver = {
 #ifdef CONFIG_PM
         .suspend        = typhoon_suspend,
         .resume         = typhoon_resume,
-        .enable_wake    = typhoon_enable_wake,
 #endif
 };
 
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 565f6cc185ce..f51c2c138f10 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -622,7 +622,6 @@ static int __devinit rhine_init_one(struct pci_dev *pdev,
         struct net_device *dev;
         struct rhine_private *rp;
         int i, rc;
-        u8 pci_rev;
         u32 quirks;
         long pioaddr;
         long memaddr;
@@ -642,27 +641,25 @@ static int __devinit rhine_init_one(struct pci_dev *pdev,
                 printk(version);
 #endif
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &pci_rev);
-
         io_size = 256;
         phy_id = 0;
         quirks = 0;
         name = "Rhine";
-        if (pci_rev < VTunknown0) {
+        if (pdev->revision < VTunknown0) {
                 quirks = rqRhineI;
                 io_size = 128;
         }
-        else if (pci_rev >= VT6102) {
+        else if (pdev->revision >= VT6102) {
                 quirks = rqWOL | rqForceReset;
-                if (pci_rev < VT6105) {
+                if (pdev->revision < VT6105) {
                         name = "Rhine II";
                         quirks |= rqStatusWBRace;       /* Rhine-II exclusive */
                 }
                 else {
                         phy_id = 1;     /* Integrated PHY, phy_id fixed to 1 */
-                        if (pci_rev >= VT6105_B0)
+                        if (pdev->revision >= VT6105_B0)
                                 quirks |= rq6patterns;
-                        if (pci_rev < VT6105M)
+                        if (pdev->revision < VT6105M)
                                 name = "Rhine III";
                         else
                                 name = "Rhine III (Management Adapter)";
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index b670b97bcfde..f331843d1102 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -890,8 +890,7 @@ static void __devinit velocity_init_info(struct pci_dev *pdev,
 
 static int __devinit velocity_get_pci_info(struct velocity_info *vptr, struct pci_dev *pdev)
 {
-        if (pci_read_config_byte(pdev, PCI_REVISION_ID, &vptr->rev_id) < 0)
-                return -EIO;
+        vptr->rev_id = pdev->revision;
 
         pci_set_master(pdev);
 
diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index 999bf71937ca..ec1c556a47ca 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -3439,7 +3439,6 @@ static int __devinit
 cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
         static int first_time = 1;
-        ucchar cpc_rev_id;
         int err, eeprom_outdated = 0;
         ucshort device_id;
         pc300_t *card;
@@ -3480,7 +3479,6 @@ cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         card->hw.falcsize = pci_resource_len(pdev, 4);
         card->hw.plxphys = pci_resource_start(pdev, 5);
         card->hw.plxsize = pci_resource_len(pdev, 5);
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &cpc_rev_id);
 
         switch (device_id) {
                 case PCI_DEVICE_ID_PC300_RX_1:
@@ -3498,7 +3496,7 @@ cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 #ifdef PC300_DEBUG_PCI
         printk("cpc (bus=0x0%x,pci_id=0x%x,", pdev->bus->number, pdev->devfn);
-        printk("rev_id=%d) IRQ%d\n", cpc_rev_id, card->hw.irq);
+        printk("rev_id=%d) IRQ%d\n", pdev->revision, card->hw.irq);
         printk("cpc:found  ramaddr=0x%08lx plxaddr=0x%08lx "
                "ctladdr=0x%08lx falcaddr=0x%08lx\n",
                card->hw.ramphys, card->hw.plxphys, card->hw.scaphys,
diff --git a/drivers/net/wan/pc300too.c b/drivers/net/wan/pc300too.c
index aff05dba720a..dfbd3b00f03b 100644
--- a/drivers/net/wan/pc300too.c
+++ b/drivers/net/wan/pc300too.c
@@ -311,7 +311,6 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
                                         const struct pci_device_id *ent)
 {
         card_t *card;
-        u8 rev_id;
         u32 __iomem *p;
         int i;
         u32 ramsize;
@@ -366,7 +365,6 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
                         return -ENOMEM;
                 }
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
         if (pci_resource_len(pdev, 0) != PC300_PLX_SIZE ||
             pci_resource_len(pdev, 2) != PC300_SCA_SIZE ||
             pci_resource_len(pdev, 3) < 16384) {
diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c
index ca06a00d9d86..7f720de2e9f0 100644
--- a/drivers/net/wan/pci200syn.c
+++ b/drivers/net/wan/pci200syn.c
@@ -289,7 +289,6 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
                                          const struct pci_device_id *ent)
 {
         card_t *card;
-        u8 rev_id;
         u32 __iomem *p;
         int i;
         u32 ramsize;
@@ -330,7 +329,6 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
                 return -ENOMEM;
         }
 
-        pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
         if (pci_resource_len(pdev, 0) != PCI200SYN_PLX_SIZE ||
             pci_resource_len(pdev, 2) != PCI200SYN_SCA_SIZE ||
             pci_resource_len(pdev, 3) < 16384) {
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index ef6b253a92ce..c5d6753a55ea 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -3741,10 +3741,8 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
                                   &bcm->board_type);
         if (err)
                 goto err_iounmap;
-        err = bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
-                                  &bcm->board_revision);
-        if (err)
-                goto err_iounmap;
+
+        bcm->board_revision = bcm->pci_dev->revision;
 
         err = bcm43xx_chipset_attach(bcm);
         if (err)
diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c
index 0cd48d151f5e..7da3664b8515 100644
--- a/drivers/net/wireless/hostap/hostap_pci.c
+++ b/drivers/net/wireless/hostap/hostap_pci.c
@@ -453,8 +453,6 @@ static struct pci_driver prism2_pci_drv_id = {
         .suspend        = prism2_pci_suspend,
         .resume         = prism2_pci_resume,
 #endif /* CONFIG_PM */
-        /* Linux 2.4.6 added save_state and enable_wake that are not used here
-         */
 };
 
 
diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c
index 0183df757b3e..040dc3e36410 100644
--- a/drivers/net/wireless/hostap/hostap_plx.c
+++ b/drivers/net/wireless/hostap/hostap_plx.c
@@ -613,9 +613,6 @@ static struct pci_driver prism2_plx_drv_id = {
         .id_table       = prism2_plx_id_table,
         .probe          = prism2_plx_probe,
         .remove         = prism2_plx_remove,
-        .suspend        = NULL,
-        .resume         = NULL,
-        .enable_wake    = NULL
 };
 
 
diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c
index 3dcb13bb7d57..af2e4f2405f2 100644
--- a/drivers/net/wireless/prism54/islpci_hotplug.c
+++ b/drivers/net/wireless/prism54/islpci_hotplug.c
@@ -87,7 +87,6 @@ static struct pci_driver prism54_driver = {
         .remove = prism54_remove,
         .suspend = prism54_suspend,
         .resume = prism54_resume,
-        /* .enable_wake ; we don't support this yet */
 };
 
 /******************************************************************************
@@ -167,8 +166,7 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         pci_set_master(pdev);
 
         /* enable MWI */
-        if (!pci_set_mwi(pdev))
-                printk(KERN_INFO "%s: pci_set_mwi(pdev) succeeded\n", DRV_NAME);
+        pci_try_set_mwi(pdev);
 
         /* setup the network device interface and its structure */
         if (!(ndev = islpci_setup(pdev))) {