diff options
Diffstat (limited to 'drivers/net/usb/smsc75xx.c')
| -rw-r--r-- | drivers/net/usb/smsc75xx.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 00103a8c5e0..fb1a087b101 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -508,10 +508,9 @@ static int smsc75xx_link_reset(struct usbnet *dev) u16 lcladv, rmtadv; int ret; - /* read and write to clear phy interrupt status */ - ret = smsc75xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC); - check_warn_return(ret, "Error reading PHY_INT_SRC"); - smsc75xx_mdio_write(dev->net, mii->phy_id, PHY_INT_SRC, 0xffff); + /* write to clear phy interrupt status */ + smsc75xx_mdio_write(dev->net, mii->phy_id, PHY_INT_SRC, + PHY_INT_SRC_CLEAR_ALL); ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL); check_warn_return(ret, "Error writing INT_STS"); @@ -904,15 +903,20 @@ static int smsc75xx_reset(struct usbnet *dev) netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x", buf); - /* Configure GPIO pins as LED outputs */ - ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf); - check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret); + ret = smsc75xx_read_reg(dev, E2P_CMD, &buf); + check_warn_return(ret, "Failed to read E2P_CMD: %d", ret); - buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL); - buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL; + /* only set default GPIO/LED settings if no EEPROM is detected */ + if (!(buf & E2P_CMD_LOADED)) { + ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf); + check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret); - ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf); - check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret); + buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL); + buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL; + + ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf); + check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret); + } ret = smsc75xx_write_reg(dev, FLOW, 0); check_warn_return(ret, "Failed to write FLOW: %d", ret); |