From: Andrea Greco <a.gr...@4sigma.it>

Add IO callback. No logic change are intended.
Now every driver implementation could specify IO callback.
Default IO callback is provided.

Signed-off-by: Andrea Greco <a.gr...@4sigma.it>
---
 drivers/net/arcnet/arcdevice.h    |   4 ++
 drivers/net/arcnet/com20020-isa.c |  21 ++++--
 drivers/net/arcnet/com20020-pci.c |  11 +++-
 drivers/net/arcnet/com20020.c     | 134 ++++++++++++++++++++++++--------------
 drivers/net/arcnet/com20020.h     |   9 ++-
 drivers/net/arcnet/com20020_cs.c  |  23 +++++--
 6 files changed, 134 insertions(+), 68 deletions(-)

diff --git a/drivers/net/arcnet/arcdevice.h b/drivers/net/arcnet/arcdevice.h
index d09b2b46ab63..cb7afadac5f6 100644
--- a/drivers/net/arcnet/arcdevice.h
+++ b/drivers/net/arcnet/arcdevice.h
@@ -324,6 +324,10 @@ struct arcnet_local {
                void (*close)(struct net_device *dev);
                void (*datatrigger) (struct net_device * dev, int enable);
                void (*recontrigger) (struct net_device * dev, int enable);
+               unsigned int (*arc_inb)(int addr, int offset);
+               void (*arc_outb)(int value, int addr, int offset);
+               void (*arc_insb)(int addr, int offset, void *buff, int cnt);
+               void (*arc_outsb)(int addr, int offset, void *buff, int cnt);
 
                void (*copy_to_card)(struct net_device *dev, int bufnum,
                                     int offset, void *buf, int count);
diff --git a/drivers/net/arcnet/com20020-isa.c 
b/drivers/net/arcnet/com20020-isa.c
index 38fa60ddaf2e..757586de5d08 100644
--- a/drivers/net/arcnet/com20020-isa.c
+++ b/drivers/net/arcnet/com20020-isa.c
@@ -67,7 +67,7 @@ static int __init com20020isa_probe(struct net_device *dev)
                           ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
                return -ENXIO;
        }
-       if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
+       if (lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
                arc_printk(D_NORMAL, dev, "IO address %x empty\n", ioaddr);
                err = -ENODEV;
                goto out;
@@ -83,20 +83,21 @@ static int __init com20020isa_probe(struct net_device *dev)
                 * we tell it to start receiving.
                 */
                arc_printk(D_INIT_REASONS, dev, "intmask was %02Xh\n",
-                          arcnet_inb(ioaddr, COM20020_REG_R_STATUS));
-               arcnet_outb(0, ioaddr, COM20020_REG_W_INTMASK);
+                          lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS));
+               lp->hw.arc_outb(0, ioaddr, COM20020_REG_W_INTMASK);
                airqmask = probe_irq_on();
-               arcnet_outb(NORXflag, ioaddr, COM20020_REG_W_INTMASK);
+               lp->hw.arc_outb(NORXflag, ioaddr, COM20020_REG_W_INTMASK);
                udelay(1);
-               arcnet_outb(0, ioaddr, COM20020_REG_W_INTMASK);
+               lp->hw.arc_outb(0, ioaddr, COM20020_REG_W_INTMASK);
                dev->irq = probe_irq_off(airqmask);
 
                if ((int)dev->irq <= 0) {
                        arc_printk(D_INIT_REASONS, dev, "Autoprobe IRQ failed 
first time\n");
                        airqmask = probe_irq_on();
-                       arcnet_outb(NORXflag, ioaddr, COM20020_REG_W_INTMASK);
+                       lp->hw.arc_outb(NORXflag, ioaddr,
+                                       COM20020_REG_W_INTMASK);
                        udelay(5);
-                       arcnet_outb(0, ioaddr, COM20020_REG_W_INTMASK);
+                       lp->hw.arc_outb(0, ioaddr, COM20020_REG_W_INTMASK);
                        dev->irq = probe_irq_off(airqmask);
                        if ((int)dev->irq <= 0) {
                                arc_printk(D_NORMAL, dev, "Autoprobe IRQ 
failed.\n");
@@ -156,6 +157,12 @@ static int __init com20020_init(void)
        dev->netdev_ops = &com20020_netdev_ops;
 
        lp = netdev_priv(dev);
+
+       lp->hw.arc_inb = com20020_def_arc_inb;
+       lp->hw.arc_outb = com20020_def_arc_outb;
+       lp->hw.arc_insb = com20020_def_arc_insb;
+       lp->hw.arc_outsb = com20020_def_arc_outsb;
+
        lp->backplane = backplane;
        lp->clockp = clockp & 7;
        lp->clockm = clockm & 3;
diff --git a/drivers/net/arcnet/com20020-pci.c 
b/drivers/net/arcnet/com20020-pci.c
index eb7f76753c9c..dcf12e5cf889 100644
--- a/drivers/net/arcnet/com20020-pci.c
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -181,12 +181,17 @@ static int com20020pci_probe(struct pci_dev *pdev,
                        goto out_port;
                }
 
+               lp->hw.arc_inb = com20020_def_arc_inb;
+               lp->hw.arc_outb = com20020_def_arc_outb;
+               lp->hw.arc_insb = com20020_def_arc_insb;
+               lp->hw.arc_outsb = com20020_def_arc_outsb;
+
                /* Dummy access after Reset
                 * ARCNET controller needs
                 * this access to detect bustype
                 */
-               arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
-               arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
+               lp->hw.arc_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
+               lp->hw.arc_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
 
                SET_NETDEV_DEV(dev, &pdev->dev);
                dev->base_addr = ioaddr;
@@ -213,7 +218,7 @@ static int com20020pci_probe(struct pci_dev *pdev,
 
                snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, 
i);
 
-               if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
+               if (lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
                        pr_err("IO address %Xh is empty!\n", ioaddr);
                        ret = -EIO;
                        goto out_port;
diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c
index 78043a9c5981..cbcea7834378 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -59,44 +59,75 @@ static void com20020_copy_from_card(struct net_device *dev, 
int bufnum,
 static void com20020_set_mc_list(struct net_device *dev);
 static void com20020_close(struct net_device *);
 
+unsigned int com20020_def_arc_inb(int addr, int offset)
+{
+       return inb(addr + offset);
+}
+EXPORT_SYMBOL(com20020_def_arc_inb);
+
+void com20020_def_arc_outb(int value, int addr, int offset)
+{
+       outb(value, addr + offset);
+}
+EXPORT_SYMBOL(com20020_def_arc_outb);
+
+void com20020_def_arc_insb(int addr, int offset, void *buffer, int count)
+{
+       insb(addr + offset, buffer, count);
+}
+EXPORT_SYMBOL(com20020_def_arc_insb);
+
+void com20020_def_arc_outsb(int addr, int offset, void *buffer, int count)
+{
+       outsb(addr + offset, buffer, count);
+}
+EXPORT_SYMBOL(com20020_def_arc_outsb);
+
 static void com20020_copy_from_card(struct net_device *dev, int bufnum,
                                    int offset, void *buf, int count)
 {
-       int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;
+       int ioaddr = dev->base_addr;
+       int ofs = 512 * bufnum + offset;
+       struct arcnet_local *lp = netdev_priv(dev);
 
        /* set up the address register */
-       arcnet_outb((ofs >> 8) | RDDATAflag | AUTOINCflag,
+       lp->hw.arc_outb((ofs >> 8) | RDDATAflag | AUTOINCflag,
                    ioaddr, COM20020_REG_W_ADDR_HI);
-       arcnet_outb(ofs & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);
+       lp->hw.arc_outb(ofs & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);
 
        /* copy the data */
        TIME(dev, "insb", count,
-            arcnet_insb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count));
+            lp->hw.arc_insb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count));
 }
 
 static void com20020_copy_to_card(struct net_device *dev, int bufnum,
                                  int offset, void *buf, int count)
 {
-       int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;
+       int ioaddr = dev->base_addr;
+       int ofs = 512 * bufnum + offset;
+       struct arcnet_local *lp = netdev_priv(dev);
 
        /* set up the address register */
-       arcnet_outb((ofs >> 8) | AUTOINCflag, ioaddr, COM20020_REG_W_ADDR_HI);
-       arcnet_outb(ofs & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);
+       lp->hw.arc_outb((ofs >> 8) | AUTOINCflag,
+                       ioaddr, COM20020_REG_W_ADDR_HI);
+       lp->hw.arc_outb(ofs & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);
 
        /* copy the data */
        TIME(dev, "outsb", count,
-            arcnet_outsb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count));
+            lp->hw.arc_outsb(ioaddr, COM20020_REG_RW_MEMDATA, buf, count));
 }
 
 /* Reset the card and check some basic stuff during the detection stage. */
 int com20020_check(struct net_device *dev)
 {
-       int ioaddr = dev->base_addr, status;
+       int ioaddr = dev->base_addr;
        struct arcnet_local *lp = netdev_priv(dev);
+       int status;
 
-       arcnet_outb(XTOcfg(3) | RESETcfg, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(XTOcfg(3) | RESETcfg, ioaddr,
+                       COM20020_REG_W_CONFIG);
        udelay(5);
-       arcnet_outb(XTOcfg(3), ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(XTOcfg(3), ioaddr, COM20020_REG_W_CONFIG);
        mdelay(RESETtime);
 
        lp->setup = lp->clockm ? 0 : (lp->clockp << 1);
@@ -107,23 +138,23 @@ int com20020_check(struct net_device *dev)
        lp->setup = lp->setup | P1MODE;
 
        com20020_set_subaddress(lp, ioaddr, SUB_SETUP1);
-       arcnet_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
+       lp->hw.arc_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
 
        if (lp->clockm != 0) {
                com20020_set_subaddress(lp, ioaddr, SUB_SETUP2);
-               arcnet_outb(lp->setup2, ioaddr, COM20020_REG_W_XREG);
+               lp->hw.arc_outb(lp->setup2, ioaddr, COM20020_REG_W_XREG);
 
                /* must now write the magic "restart operation" command */
                mdelay(1);
-               arcnet_outb(STARTIOcmd, ioaddr, COM20020_REG_W_COMMAND);
+               lp->hw.arc_outb(STARTIOcmd, ioaddr, COM20020_REG_W_COMMAND);
        }
 
        lp->config = (lp->timeout << 3) | (lp->backplane << 2) | SUB_NODE;
        /* set node ID to 0x42 (but transmitter is disabled, so it's okay) */
-       arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
-       arcnet_outb(0x42, ioaddr, COM20020_REG_W_XREG);
+       lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(0x42, ioaddr, COM20020_REG_W_XREG);
 
-       status = arcnet_inb(ioaddr, COM20020_REG_R_STATUS);
+       status = lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS);
 
        if ((status & 0x99) != (NORXflag | TXFREEflag | RESETflag)) {
                arc_printk(D_NORMAL, dev, "status invalid (%Xh).\n", status);
@@ -131,18 +162,18 @@ int com20020_check(struct net_device *dev)
        }
        arc_printk(D_INIT_REASONS, dev, "status after reset: %X\n", status);
 
-       arcnet_outb(CFLAGScmd | RESETclear | CONFIGclear,
+       lp->hw.arc_outb(CFLAGScmd | RESETclear | CONFIGclear,
                    ioaddr, COM20020_REG_W_COMMAND);
-       status = arcnet_inb(ioaddr, COM20020_REG_R_STATUS);
+       status = lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS);
        arc_printk(D_INIT_REASONS, dev, "status after reset acknowledged: %X\n",
                   status);
 
        /* Read first location of memory */
-       arcnet_outb(0 | RDDATAflag | AUTOINCflag,
+       lp->hw.arc_outb(0 | RDDATAflag | AUTOINCflag,
                    ioaddr, COM20020_REG_W_ADDR_HI);
-       arcnet_outb(0, ioaddr, COM20020_REG_W_ADDR_LO);
+       lp->hw.arc_outb(0, ioaddr, COM20020_REG_W_ADDR_LO);
 
-       status = arcnet_inb(ioaddr, COM20020_REG_RW_MEMDATA);
+       status = lp->hw.arc_inb(ioaddr, COM20020_REG_RW_MEMDATA);
        if (status != TESTvalue) {
                arc_printk(D_NORMAL, dev, "Signature byte not found (%02Xh != 
D1h).\n",
                           status);
@@ -159,7 +190,7 @@ static int com20020_set_hwaddr(struct net_device *dev, void 
*addr)
 
        memcpy(dev->dev_addr, hwaddr->sa_data, 1);
        com20020_set_subaddress(lp, ioaddr, SUB_NODE);
-       arcnet_outb(dev->dev_addr[0], ioaddr, COM20020_REG_W_XREG);
+       lp->hw.arc_outb(dev->dev_addr[0], ioaddr, COM20020_REG_W_XREG);
 
        return 0;
 }
@@ -170,7 +201,7 @@ static int com20020_netdev_open(struct net_device *dev)
        struct arcnet_local *lp = netdev_priv(dev);
 
        lp->config |= TXENcfg;
-       arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
 
        return arcnet_open(dev);
 }
@@ -184,7 +215,7 @@ static int com20020_netdev_close(struct net_device *dev)
 
        /* disable transmitter */
        lp->config &= ~TXENcfg;
-       arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
        return 0;
 }
 
@@ -203,6 +234,7 @@ const struct net_device_ops com20020_netdev_ops = {
 int com20020_found(struct net_device *dev, int shared)
 {
        struct arcnet_local *lp;
+
        int ioaddr = dev->base_addr;
 
        /* Initialize the rest of the device structure. */
@@ -220,24 +252,24 @@ int com20020_found(struct net_device *dev, int shared)
 
        /* FIXME: do this some other way! */
        if (!dev->dev_addr[0])
-               dev->dev_addr[0] = arcnet_inb(ioaddr, 8);
+               dev->dev_addr[0] = lp->hw.arc_inb(ioaddr, 8);
 
        com20020_set_subaddress(lp, ioaddr, SUB_SETUP1);
-       arcnet_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
+       lp->hw.arc_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
 
        if (lp->card_flags & ARC_CAN_10MBIT) {
                com20020_set_subaddress(lp, ioaddr, SUB_SETUP2);
-               arcnet_outb(lp->setup2, ioaddr, COM20020_REG_W_XREG);
+               lp->hw.arc_outb(lp->setup2, ioaddr, COM20020_REG_W_XREG);
 
                /* must now write the magic "restart operation" command */
                mdelay(1);
-               arcnet_outb(STARTIOcmd, ioaddr, COM20020_REG_W_COMMAND);
+               lp->hw.arc_outb(STARTIOcmd, ioaddr, COM20020_REG_W_COMMAND);
        }
 
        lp->config = (lp->timeout << 3) | (lp->backplane << 2) | SUB_NODE;
        /* Default 0x38 + register: Node ID */
-       arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
-       arcnet_outb(dev->dev_addr[0], ioaddr, COM20020_REG_W_XREG);
+       lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(dev->dev_addr[0], ioaddr, COM20020_REG_W_XREG);
 
        /* reserve the irq */
        if (request_irq(dev->irq, arcnet_interrupt, shared,
@@ -282,31 +314,32 @@ int com20020_found(struct net_device *dev, int shared)
 static int com20020_reset(struct net_device *dev, int really_reset)
 {
        struct arcnet_local *lp = netdev_priv(dev);
-       u_int ioaddr = dev->base_addr;
+       int  ioaddr = dev->base_addr;
        u_char inbyte;
 
        arc_printk(D_DEBUG, dev, "%s: %d: %s: dev: %p, lp: %p, dev->name: %s\n",
                   __FILE__, __LINE__, __func__, dev, lp, dev->name);
        arc_printk(D_INIT, dev, "Resetting %s (status=%02Xh)\n",
-                  dev->name, arcnet_inb(ioaddr, COM20020_REG_R_STATUS));
+                  dev->name, lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS));
 
        arc_printk(D_DEBUG, dev, "%s: %d: %s\n", __FILE__, __LINE__, __func__);
        lp->config |= (lp->timeout << 3) | (lp->backplane << 2);
        /* power-up defaults */
-       arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
        arc_printk(D_DEBUG, dev, "%s: %d: %s\n", __FILE__, __LINE__, __func__);
 
        if (really_reset) {
                /* reset the card */
-               arcnet_outb(lp->config | RESETcfg, ioaddr, 
COM20020_REG_W_CONFIG);
+               lp->hw.arc_outb(lp->config | RESETcfg, ioaddr,
+                               COM20020_REG_W_CONFIG);
                udelay(5);
-               arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+               lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
                mdelay(RESETtime * 2);
                                /* COM20020 seems to be slower sometimes */
        }
        /* clear flags & end reset */
        arc_printk(D_DEBUG, dev, "%s: %d: %s\n", __FILE__, __LINE__, __func__);
-       arcnet_outb(CFLAGScmd | RESETclear | CONFIGclear,
+       lp->hw.arc_outb(CFLAGScmd | RESETclear | CONFIGclear,
                    ioaddr, COM20020_REG_W_COMMAND);
 
        /* verify that the ARCnet signature byte is present */
@@ -321,7 +354,7 @@ static int com20020_reset(struct net_device *dev, int 
really_reset)
                return 1;
        }
        /* enable extended (512-byte) packets */
-       arcnet_outb(CONFIGcmd | EXTconf, ioaddr, COM20020_REG_W_COMMAND);
+       lp->hw.arc_outb(CONFIGcmd | EXTconf, ioaddr, COM20020_REG_W_COMMAND);
 
        arc_printk(D_DEBUG, dev, "%s: %d: %s\n", __FILE__, __LINE__, __func__);
 
@@ -331,35 +364,38 @@ static int com20020_reset(struct net_device *dev, int 
really_reset)
 
 static void com20020_setmask(struct net_device *dev, int mask)
 {
-       u_int ioaddr = dev->base_addr;
+       int ioaddr = dev->base_addr;
+       struct arcnet_local *lp = netdev_priv(dev);
 
        arc_printk(D_DURING, dev, "Setting mask to %x at %x\n", mask, ioaddr);
-       arcnet_outb(mask, ioaddr, COM20020_REG_W_INTMASK);
+       lp->hw.arc_outb(mask, ioaddr, COM20020_REG_W_INTMASK);
 }
 
 static void com20020_command(struct net_device *dev, int cmd)
 {
-       u_int ioaddr = dev->base_addr;
+       int ioaddr = dev->base_addr;
+       struct arcnet_local *lp = netdev_priv(dev);
 
-       arcnet_outb(cmd, ioaddr, COM20020_REG_W_COMMAND);
+       lp->hw.arc_outb(cmd, ioaddr, COM20020_REG_W_COMMAND);
 }
 
 static int com20020_status(struct net_device *dev)
 {
-       u_int ioaddr = dev->base_addr;
+       int ioaddr = dev->base_addr;
+       struct arcnet_local *lp = netdev_priv(dev);
 
-       return arcnet_inb(ioaddr, COM20020_REG_R_STATUS) +
-               (arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT) << 8);
+       return lp->hw.arc_inb(ioaddr, COM20020_REG_R_STATUS) +
+               (lp->hw.arc_inb(ioaddr, COM20020_REG_R_DIAGSTAT) << 8);
 }
 
 static void com20020_close(struct net_device *dev)
 {
-       struct arcnet_local *lp = netdev_priv(dev);
        int ioaddr = dev->base_addr;
+       struct arcnet_local *lp = netdev_priv(dev);
 
        /* disable transmitter */
        lp->config &= ~TXENcfg;
-       arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
 }
 
 /* Set or clear the multicast filter for this adaptor.
@@ -380,14 +416,14 @@ static void com20020_set_mc_list(struct net_device *dev)
                        arc_printk(D_NORMAL, dev, "Setting promiscuous 
flag...\n");
                com20020_set_subaddress(lp, ioaddr, SUB_SETUP1);
                lp->setup |= PROMISCset;
-               arcnet_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
+               lp->hw.arc_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
        } else {
                /* Disable promiscuous mode, use normal mode */
                if ((lp->setup & PROMISCset))
                        arc_printk(D_NORMAL, dev, "Resetting promiscuous 
flag...\n");
                com20020_set_subaddress(lp, ioaddr, SUB_SETUP1);
                lp->setup &= ~PROMISCset;
-               arcnet_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
+               lp->hw.arc_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);
        }
 }
 
diff --git a/drivers/net/arcnet/com20020.h b/drivers/net/arcnet/com20020.h
index 0bcc5d0a6903..af18c7edc4fa 100644
--- a/drivers/net/arcnet/com20020.h
+++ b/drivers/net/arcnet/com20020.h
@@ -118,14 +118,19 @@ struct com20020_dev {
 #define SUB_BUSCTL     5       /* bus control options */
 #define SUB_DMACOUNT   6       /* DMA count options */
 
+unsigned int com20020_def_arc_inb(int addr, int offset);
+void com20020_def_arc_outb(int value, int addr, int offset);
+void com20020_def_arc_insb(int addr, int offset, void *buffer, int count);
+void com20020_def_arc_outsb(int addr, int offset, void *buffer, int count);
+
 static inline void com20020_set_subaddress(struct arcnet_local *lp,
                                           int ioaddr, int val)
 {
        if (val < 4) {
                lp->config = (lp->config & ~0x03) | val;
-               arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+               lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
        } else {
-               arcnet_outb(val, ioaddr, COM20020_REG_W_SUBADR);
+               lp->hw.arc_outb(val, ioaddr, COM20020_REG_W_SUBADR);
        }
 }
 
diff --git a/drivers/net/arcnet/com20020_cs.c b/drivers/net/arcnet/com20020_cs.c
index cf607ffcf358..bca4e6c15e4f 100644
--- a/drivers/net/arcnet/com20020_cs.c
+++ b/drivers/net/arcnet/com20020_cs.c
@@ -53,29 +53,31 @@ static void regdump(struct net_device *dev)
 {
 #ifdef DEBUG
        int ioaddr = dev->base_addr;
+       struct arcnet_local *lp = netdev_priv(dev);
        int count;
 
        netdev_dbg(dev, "register dump:\n");
        for (count = 0; count < 16; count++) {
                if (!(count % 16))
                        pr_cont("%04X:", ioaddr + count);
-               pr_cont(" %02X", arcnet_inb(ioaddr, count));
+               pr_cont(" %02X", lp->hw.arc_inb(ioaddr, count));
        }
        pr_cont("\n");
 
        netdev_dbg(dev, "buffer0 dump:\n");
        /* set up the address register */
        count = 0;
-       arcnet_outb((count >> 8) | RDDATAflag | AUTOINCflag,
-                   ioaddr, com20020_REG_W_ADDR_HI);
-       arcnet_outb(count & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);
+       lp->hw.arc_outb((count >> 8) | RDDATAflag | AUTOINCflag,
+                       ioaddr, com20020_REG_W_ADDR_HI);
+       lp->hw.arc_outb(count & 0xff, ioaddr, COM20020_REG_W_ADDR_LO);
 
        for (count = 0; count < 256 + 32; count++) {
                if (!(count % 16))
                        pr_cont("%04X:", count);
 
                /* copy the data */
-               pr_cont(" %02X", arcnet_inb(ioaddr, COM20020_REG_RW_MEMDATA));
+               pr_cont(" %02X", lp->hw.arc_inb(ioaddr,
+                                               COM20020_REG_RW_MEMDATA));
        }
        pr_cont("\n");
 #endif
@@ -126,6 +128,12 @@ static int com20020_probe(struct pcmcia_device *p_dev)
                goto fail_alloc_dev;
 
        lp = netdev_priv(dev);
+
+       lp->hw.arc_inb = com20020_def_arc_inb;
+       lp->hw.arc_outb = com20020_def_arc_outb;
+       lp->hw.arc_insb = com20020_def_arc_insb;
+       lp->hw.arc_outsb = com20020_def_arc_outsb;
+
        lp->timeout = timeout;
        lp->backplane = backplane;
        lp->clockp = clockp;
@@ -293,9 +301,10 @@ static int com20020_resume(struct pcmcia_device *link)
                int ioaddr = dev->base_addr;
                struct arcnet_local *lp = netdev_priv(dev);
 
-               arcnet_outb(lp->config | 0x80, ioaddr, COM20020_REG_W_CONFIG);
+               lp->hw.arc_outb(lp->config | 0x80, ioaddr,
+                               COM20020_REG_W_CONFIG);
                udelay(5);
-               arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+               lp->hw.arc_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
        }
 
        return 0;
-- 
2.14.4

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