summaryrefslogtreecommitdiff
path: root/drivers/net/usb/smsc75xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/usb/smsc75xx.c')
-rw-r--r--drivers/net/usb/smsc75xx.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 00103a8c5e04..1c6e51588da7 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);
@@ -1250,6 +1254,7 @@ static struct usb_driver smsc75xx_driver = {
.suspend = usbnet_suspend,
.resume = usbnet_resume,
.disconnect = usbnet_disconnect,
+ .disable_hub_initiated_lpm = 1,
};
module_usb_driver(smsc75xx_driver);