Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...

[linux-2.6] / drivers / net / sungem.c

diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 5cd50fd53c1251fd8ba9a68a700ca28d96fcc897..de399563a9db2e02ef20d412820a90bc6e6c00e3 100644 (file)
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -44,6 +44,7 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
@@ -947,6 +948,7 @@ static irqreturn_t gem_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                u32 gem_status = readl(gp->regs + GREG_STAT);
 
                if (gem_status == 0) {
+                       netif_poll_enable(dev);
                        spin_unlock_irqrestore(&gp->lock, flags);
                        return IRQ_NONE;
                }
@@ -2815,7 +2817,7 @@ static int gem_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 
 #if (!defined(__sparc__) && !defined(CONFIG_PPC_PMAC))
 /* Fetch MAC address from vital product data of PCI ROM. */
-static void find_eth_addr_in_vpd(void __iomem *rom_base, int len, unsigned char *dev_addr)
+static int find_eth_addr_in_vpd(void __iomem *rom_base, int len, unsigned char *dev_addr)
 {
        int this_offset;
 
@@ -2836,35 +2838,27 @@ static void find_eth_addr_in_vpd(void __iomem *rom_base, int len, unsigned char
 
                for (i = 0; i < 6; i++)
                        dev_addr[i] = readb(p + i);
-               break;
+               return 1;
        }
+       return 0;
 }
 
 static void get_gem_mac_nonobp(struct pci_dev *pdev, unsigned char *dev_addr)
 {
-       u32 rom_reg_orig;
-       void __iomem *p;
-
-       if (pdev->resource[PCI_ROM_RESOURCE].parent == NULL) {
-               if (pci_assign_resource(pdev, PCI_ROM_RESOURCE) < 0)
-                       goto use_random;
-       }
-
-       pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_reg_orig);
-       pci_write_config_dword(pdev, pdev->rom_base_reg,
-                              rom_reg_orig | PCI_ROM_ADDRESS_ENABLE);
+       size_t size;
+       void __iomem *p = pci_map_rom(pdev, &size);
 
-       p = ioremap(pci_resource_start(pdev, PCI_ROM_RESOURCE), (64 * 1024));
-       if (p != NULL && readb(p) == 0x55 && readb(p + 1) == 0xaa)
-               find_eth_addr_in_vpd(p, (64 * 1024), dev_addr);
+       if (p) {
+                       int found;
 
-       if (p != NULL)
-               iounmap(p);
-
-       pci_write_config_dword(pdev, pdev->rom_base_reg, rom_reg_orig);
-       return;
+               found = readb(p) == 0x55 &&
+                       readb(p + 1) == 0xaa &&
+                       find_eth_addr_in_vpd(p, (64 * 1024), dev_addr);
+               pci_unmap_rom(pdev, p);
+               if (found)
+                       return;
+       }
 
-use_random:
        /* Sun MAC prefix then 3 random bytes. */
        dev_addr[0] = 0x08;
        dev_addr[1] = 0x00;
@@ -2989,10 +2983,10 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
         */
        if (pdev->vendor == PCI_VENDOR_ID_SUN &&
            pdev->device == PCI_DEVICE_ID_SUN_GEM &&
-           !pci_set_dma_mask(pdev, (u64) 0xffffffffffffffffULL)) {
+           !pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
                pci_using_dac = 1;
        } else {
-               err = pci_set_dma_mask(pdev, (u64) 0xffffffff);
+               err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                if (err) {
                        printk(KERN_ERR PFX "No usable DMA configuration, "
                               "aborting.\n");
@@ -3078,7 +3072,9 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
        gp->phy_mii.dev = dev;
        gp->phy_mii.mdio_read = _phy_read;
        gp->phy_mii.mdio_write = _phy_write;
-
+#ifdef CONFIG_PPC_PMAC
+       gp->phy_mii.platform_data = gp->of_node;
+#endif
        /* By default, we start with autoneg */
        gp->want_autoneg = 1;