[PATCH] bcm43xx: use pci_iomap() for convenience.

This reduces codesize.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 7 insertions, 23 deletions

diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h
index 2e83083935e..e66fdb1f3cf 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx.h
@@ -645,7 +645,6 @@ struct bcm43xx_private {
         unsigned int irq;
 
         void __iomem *mmio_addr;
-        unsigned int mmio_len;
 
         /* Do not use the lock directly. Use the bcm43xx_lock* helper
          * functions, to be MMIO-safe. */
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
index 35a4fcb6d92..7497fb16076 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
@@ -92,7 +92,7 @@ static ssize_t devinfo_read_file(struct file *file, char __user *userbuf,
         fappend("subsystem_vendor: 0x%04x   subsystem_device: 0x%04x\n",
                 pci_dev->subsystem_vendor, pci_dev->subsystem_device);
         fappend("IRQ: %d\n", bcm->irq);
-        fappend("mmio_addr: 0x%p   mmio_len: %u\n", bcm->mmio_addr, bcm->mmio_len);
+        fappend("mmio_addr: 0x%p\n", bcm->mmio_addr);
         fappend("chip_id: 0x%04x   chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev);
         if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16)))
                 fappend("Radio disabled by hardware!\n");
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 9a06e61df0a..19852866072 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -3288,8 +3288,7 @@ static void bcm43xx_detach_board(struct bcm43xx_private *bcm)
 
         bcm43xx_chipset_detach(bcm);
         /* Do _not_ access the chip, after it is detached. */
-        iounmap(bcm->mmio_addr);
-        
+        pci_iounmap(pci_dev, bcm->mmio_addr);
         pci_release_regions(pci_dev);
         pci_disable_device(pci_dev);
 
@@ -3379,40 +3378,26 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
         struct net_device *net_dev = bcm->net_dev;
         int err;
         int i;
-        unsigned long mmio_start, mmio_flags, mmio_len;
         u32 coremask;
 
         err = pci_enable_device(pci_dev);
         if (err) {
-                printk(KERN_ERR PFX "unable to wake up pci device (%i)\n", err);
+                printk(KERN_ERR PFX "pci_enable_device() failed\n");
                 goto out;
         }
-        mmio_start = pci_resource_start(pci_dev, 0);
-        mmio_flags = pci_resource_flags(pci_dev, 0);
-        mmio_len = pci_resource_len(pci_dev, 0);
-        if (!(mmio_flags & IORESOURCE_MEM)) {
-                printk(KERN_ERR PFX
-                       "%s, region #0 not an MMIO resource, aborting\n",
-                       pci_name(pci_dev));
-                err = -ENODEV;
-                goto err_pci_disable;
-        }
         err = pci_request_regions(pci_dev, KBUILD_MODNAME);
         if (err) {
-                printk(KERN_ERR PFX
-                       "could not access PCI resources (%i)\n", err);
+                printk(KERN_ERR PFX "pci_request_regions() failed\n");
                 goto err_pci_disable;
         }
         /* enable PCI bus-mastering */
         pci_set_master(pci_dev);
-        bcm->mmio_addr = ioremap(mmio_start, mmio_len);
+        bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL);
         if (!bcm->mmio_addr) {
-                printk(KERN_ERR PFX "%s: cannot remap MMIO, aborting\n",
-                       pci_name(pci_dev));
+                printk(KERN_ERR PFX "pci_iomap() failed\n");
                 err = -EIO;
                 goto err_pci_release;
         }
-        bcm->mmio_len = mmio_len;
         net_dev->base_addr = (unsigned long)bcm->mmio_addr;
 
         bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
@@ -3505,7 +3490,7 @@ err_80211_unwind:
 err_chipset_detach:
         bcm43xx_chipset_detach(bcm);
 err_iounmap:
-        iounmap(bcm->mmio_addr);
+        pci_iounmap(pci_dev, bcm->mmio_addr);
 err_pci_release:
         pci_release_regions(pci_dev);
 err_pci_disable: