diff mbox series

[net-next,v3,1/2] lan78xx: Enable 125 MHz CLK configuration for LAN7801 if NO EEPROM is detected

Message ID 20240529140256.1849764-2-rengarajan.s@microchip.com
State New
Headers show
Series lan78xx: Enable 125 MHz CLK and Auto Speed configuration for LAN7801 if NO EEPROM is detected | expand

Commit Message

Rengarajan S May 29, 2024, 2:02 p.m. UTC 
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 <horms@kernel.org>
Signed-off-by: Rengarajan S <rengarajan.s@microchip.com>
---
 drivers/net/usb/lan78xx.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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)