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path: root/drivers/net/usb/smsc75xx.c
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Diffstat (limited to 'drivers/net/usb/smsc75xx.c')
-rw-r--r--drivers/net/usb/smsc75xx.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 72b62b51c46f..fb1a087b101d 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -903,15 +903,20 @@ static int smsc75xx_reset(struct usbnet *dev)
903 903
904 netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x", buf); 904 netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x", buf);
905 905
906 /* Configure GPIO pins as LED outputs */ 906 ret = smsc75xx_read_reg(dev, E2P_CMD, &buf);
907 ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf); 907 check_warn_return(ret, "Failed to read E2P_CMD: %d", ret);
908 check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret);
909 908
910 buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL); 909 /* only set default GPIO/LED settings if no EEPROM is detected */
911 buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL; 910 if (!(buf & E2P_CMD_LOADED)) {
911 ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf);
912 check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret);
912 913
913 ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf); 914 buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL);
914 check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret); 915 buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL;
916
917 ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf);
918 check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret);
919 }
915 920
916 ret = smsc75xx_write_reg(dev, FLOW, 0); 921 ret = smsc75xx_write_reg(dev, FLOW, 0);
917 check_warn_return(ret, "Failed to write FLOW: %d", ret); 922 check_warn_return(ret, "Failed to write FLOW: %d", ret);