From f293501c61c50b014ad2347661c6acd951c80fed Mon Sep 17 00:00:00 2001 From: Steve Glendinning Date: Fri, 1 May 2009 05:46:51 +0000 Subject: [PATCH] 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 link/activity. Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 10 ++++++++++ drivers/net/usb/smsc95xx.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index dc166532659..0fd68a5f9d4 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -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 */ + write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED | + LED_GPIO_CFG_FDX_LED; + ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf); + if (ret < 0) { + devwarn(dev, "Failed to write LED_GPIO_CFG register, ret=%d", + ret); + return ret; + } + /* Init Tx */ write_buf = 0; ret = smsc95xx_write_reg(dev, FLOW, write_buf); diff --git a/drivers/net/usb/smsc95xx.h b/drivers/net/usb/smsc95xx.h index 66b5c84f302..86bc44977fb 100644 --- a/drivers/net/usb/smsc95xx.h +++ b/drivers/net/usb/smsc95xx.h @@ -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) -- 2.20.1