Commit f293501c authored by Steve Glendinning's avatar Steve Glendinning Committed by David S. Miller

smsc95xx: configure LED outputs

SMSC LAN9500 has dual purpose GPIO/LED pins, and by default at power-on
these are configured as GPIOs.  This means that if LEDs are fitted they
won't ever light.

This patch sets them to be LED outputs for speed, duplex and
Signed-off-by: default avatarSteve Glendinning <>
Signed-off-by: default avatarDavid S. Miller <>
parent 2382b15b
......@@ -941,6 +941,16 @@ static int smsc95xx_reset(struct usbnet *dev)
if (netif_msg_ifup(dev))
devdbg(dev, "ID_REV = 0x%08x", read_buf);
/* Configure GPIO pins as LED outputs */
ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
if (ret < 0) {
devwarn(dev, "Failed to write LED_GPIO_CFG register, ret=%d",
return ret;
/* Init Tx */
write_buf = 0;
ret = smsc95xx_write_reg(dev, FLOW, write_buf);
......@@ -99,6 +99,9 @@
#define PM_CTL_WUPS_MULTI_ (0x00000003)
#define LED_GPIO_CFG (0x24)
#define LED_GPIO_CFG_SPD_LED (0x01000000)
#define LED_GPIO_CFG_LNK_LED (0x00100000)
#define LED_GPIO_CFG_FDX_LED (0x00010000)
#define GPIO_CFG (0x28)
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