Commit e03f614a authored by Mark Kelly's avatar Mark Kelly Committed by David S. Miller
Browse files

r6040: move down second PHY detection to r6040_init_one 



Instead of fully initializing an unusable second r6040
device, perform the PHY detection earlier and bail out
in r6040_init_one when we could not read the PHY identifier.

Signed-off-by: default avatarMark Kelly <mark@bifferos.com>
Signed-off-by: default avatarFlorian Fainelli <florian@openwrt.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d516478f

drivers/net/r6040.c

+7 −8
Original line number Diff line number Diff line
@@ -750,14 +750,6 @@ static int r6040_up(struct net_device *dev) 
	struct r6040_private *lp = netdev_priv(dev);

	void __iomem *ioaddr = lp->base;

	int ret;

	u16 val;



	/* Check presence of a second PHY */

	val = r6040_phy_read(ioaddr, lp->phy_addr, 2);

	if (val == 0xFFFF) {

		printk(KERN_ERR DRV_NAME " no second PHY attached\n");

		return -EIO;

	}



	/* Initialise and alloc RX/TX buffers */

	r6040_init_txbufs(dev);
@@ -1194,6 +1186,13 @@ static int __devinit r6040_init_one(struct pci_dev *pdev, 
	lp->mii_if.phy_id_mask = 0x1f;

	lp->mii_if.reg_num_mask = 0x1f;



	/* Check the vendor ID on the PHY, if 0xffff assume none attached */

	if (r6040_phy_read(ioaddr, lp->phy_addr, 2) == 0xffff) {

		printk(KERN_ERR DRV_NAME ": Failed to detect an attached PHY\n");

		err = -ENODEV;

		goto err_out_unmap;

	}



	/* Register net device. After this dev->name assign */

	err = register_netdev(dev);

	if (err) {