Commit 799f532d authored by Rengarajan S's avatar Rengarajan S Committed by Jakub Kicinski
Browse files

lan78xx: Enable Auto Speed and Auto Duplex configuration for LAN7801 if NO EEPROM is detected 



Enabled ASD/ADD configuration for LAN7801 in the absence of EEPROM.
After the lite reset these contents go back to defaults where ASD/
ADD is disabled. The check is already available for LAN7800.

Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarRengarajan S <rengarajan.s@microchip.com>
Link: https://lore.kernel.org/r/20240529140256.1849764-3-rengarajan.s@microchip.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 5160b129

drivers/net/usb/lan78xx.c

+4 −1
Original line number Diff line number Diff line
@@ -3031,8 +3031,11 @@ static int lan78xx_reset(struct lan78xx_net *dev) 
		return ret;



	/* LAN7801 only has RGMII mode */

	if (dev->chipid == ID_REV_CHIP_ID_7801_)

	if (dev->chipid == ID_REV_CHIP_ID_7801_) {

		buf &= ~MAC_CR_GMII_EN_;

		/* Enable Auto Duplex and Auto speed */

		buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;

	}



	if (dev->chipid == ID_REV_CHIP_ID_7800_ ||

	    dev->chipid == ID_REV_CHIP_ID_7850_) {