diff options
| author | Steve Glendinning <steve.glendinning@smsc.com> | 2009-05-01 05:46:51 +0000 |
|---|---|---|
| committer | Gary King <GKing@nvidia.com> | 2010-02-02 17:53:40 -0800 |
| commit | bf55431904dc111a2ad17b7196abd8461de49d42 (patch) | |
| tree | 7fde4db9bc2d2f41e5a3e0453663d8283c95d2f9 /drivers | |
| parent | f961aa7d0af84be44c7fb1df4d57b12dfb13510c (diff) | |
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 <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/usb/smsc95xx.c | 10 | ||||
| -rw-r--r-- | drivers/net/usb/smsc95xx.h | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index d93e31f41d2a..ccdfaadf6ffb 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -945,6 +945,16 @@ 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 66b5c84f302e..86bc44977fbd 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) |