From 5160b129f65fc6e1a4aa282d44f824e12aa800ee Mon Sep 17 00:00:00 2001 From: Rengarajan S Date: Wed, 29 May 2024 19:32:55 +0530 Subject: [PATCH] lan78xx: Enable 125 MHz CLK configuration for LAN7801 if NO EEPROM is detected 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). Reviewed-by: Simon Horman Signed-off-by: Rengarajan S Link: https://lore.kernel.org/r/20240529140256.1849764-2-rengarajan.s@microchip.com Signed-off-by: Jakub Kicinski --- drivers/net/usb/lan78xx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 7a5cc49ebec66..2472216564e71 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2941,6 +2941,8 @@ 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) -- 2.47.2