From: Rengarajan S Date: Wed, 29 May 2024 14:02:55 +0000 (+0530) Subject: lan78xx: Enable 125 MHz CLK configuration for LAN7801 if NO EEPROM is detected X-Git-Tag: v6.11-rc1~163^2~269^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5160b129f65fc6e1a4aa282d44f824e12aa800ee;p=thirdparty%2Fkernel%2Flinux.git 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 --- 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)