| Message ID | 20240514160201.1651627-2-rengarajan.s@microchip.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | lan78xx: Enable 125 MHz CLK and Auto Speed configuration for LAN7801 if NO EEPROM is detected | expand |
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index ba6c8ac2a736..7ac540cc3686 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2944,6 +2944,8 @@ static int lan78xx_reset(struct lan78xx_net *dev) return ret; buf |= HW_CFG_MEF_; + buf |= HW_CFG_CLK125_EN_; + buf |= HW_CFG_REFCLK25_EN_; ret = lan78xx_write_reg(dev, HW_CFG, buf); if (ret < 0)
The 125MHz and 25MHz clock configurations are enabled in the initialization regardless of EEPROM (125MHz is needed for RGMII 1000Mbps operation). After a lite reset (lan78xx_reset), these contents go back to defaults(all 0, so no 125MHz or 25MHz clock). Signed-off-by: Rengarajan S <rengarajan.s@microchip.com> --- drivers/net/usb/lan78xx.c | 2 ++ 1 file changed, 2 insertions(+)