From: Krzysztof Hałasa Date: Tue, 8 Apr 2025 11:59:41 +0000 (+0200) Subject: usbnet: asix AX88772: leave the carrier control to phylink X-Git-Tag: v6.16-rc1~132^2~334 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4145f00227ee80f21ab274e9cd9c09758e9bcf3d;p=thirdparty%2Flinux.git usbnet: asix AX88772: leave the carrier control to phylink ASIX AX88772B based USB 10/100 Ethernet adapter doesn't come up ("carrier off"), despite the built-in 100BASE-FX PHY positive link indication. The internal PHY is configured (using EEPROM) in fixed 100 Mbps full duplex mode. The primary problem appears to be using carrier_netif_{on,off}() while, at the same time, delegating carrier management to phylink. Use only the latter and remove "manual control" in the asix driver. I don't have any other AX88772 board here, but the problem doesn't seem specific to a particular board or settings - it's probably timing-dependent. Remove unused asix_adjust_link() as well. Signed-off-by: Krzysztof Hałasa Tested-by: Oleksij Rempel Link: https://patch.msgid.link/m3plhmdfte.fsf_-_@t19.piap.pl Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h index 74162190bccc1..8531b804021aa 100644 --- a/drivers/net/usb/asix.h +++ b/drivers/net/usb/asix.h @@ -224,7 +224,6 @@ int asix_write_rx_ctl(struct usbnet *dev, u16 mode, int in_pm); u16 asix_read_medium_status(struct usbnet *dev, int in_pm); int asix_write_medium_mode(struct usbnet *dev, u16 mode, int in_pm); -void asix_adjust_link(struct net_device *netdev); int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm); diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 72ffc89b477ad..7fd763917ae2c 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -414,28 +414,6 @@ int asix_write_medium_mode(struct usbnet *dev, u16 mode, int in_pm) return ret; } -/* set MAC link settings according to information from phylib */ -void asix_adjust_link(struct net_device *netdev) -{ - struct phy_device *phydev = netdev->phydev; - struct usbnet *dev = netdev_priv(netdev); - u16 mode = 0; - - if (phydev->link) { - mode = AX88772_MEDIUM_DEFAULT; - - if (phydev->duplex == DUPLEX_HALF) - mode &= ~AX_MEDIUM_FD; - - if (phydev->speed != SPEED_100) - mode &= ~AX_MEDIUM_PS; - } - - asix_write_medium_mode(dev, mode, 0); - phy_print_status(phydev); - usbnet_link_change(dev, phydev->link, 0); -} - int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm) { int ret; diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index da24941a6e444..9b0318fb50b55 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -752,7 +752,6 @@ static void ax88772_mac_link_down(struct phylink_config *config, struct usbnet *dev = netdev_priv(to_net_dev(config->dev)); asix_write_medium_mode(dev, 0, 0); - usbnet_link_change(dev, false, false); } static void ax88772_mac_link_up(struct phylink_config *config, @@ -783,7 +782,6 @@ static void ax88772_mac_link_up(struct phylink_config *config, m |= AX_MEDIUM_RFC; asix_write_medium_mode(dev, m, 0); - usbnet_link_change(dev, true, false); } static const struct phylink_mac_ops ax88772_phylink_mac_ops = { @@ -1350,10 +1348,9 @@ static const struct driver_info ax88772_info = { .description = "ASIX AX88772 USB 2.0 Ethernet", .bind = ax88772_bind, .unbind = ax88772_unbind, - .status = asix_status, .reset = ax88772_reset, .stop = ax88772_stop, - .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET, .rx_fixup = asix_rx_fixup_common, .tx_fixup = asix_tx_fixup, }; @@ -1362,11 +1359,9 @@ static const struct driver_info ax88772b_info = { .description = "ASIX AX88772B USB 2.0 Ethernet", .bind = ax88772_bind, .unbind = ax88772_unbind, - .status = asix_status, .reset = ax88772_reset, .stop = ax88772_stop, - .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | - FLAG_MULTI_PACKET, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET, .rx_fixup = asix_rx_fixup_common, .tx_fixup = asix_tx_fixup, .data = FLAG_EEPROM_MAC, @@ -1376,11 +1371,9 @@ static const struct driver_info lxausb_t1l_info = { .description = "Linux Automation GmbH USB 10Base-T1L", .bind = ax88772_bind, .unbind = ax88772_unbind, - .status = asix_status, .reset = ax88772_reset, .stop = ax88772_stop, - .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | - FLAG_MULTI_PACKET, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET, .rx_fixup = asix_rx_fixup_common, .tx_fixup = asix_tx_fixup, .data = FLAG_EEPROM_MAC, @@ -1412,10 +1405,8 @@ static const struct driver_info hg20f9_info = { .description = "HG20F9 USB 2.0 Ethernet", .bind = ax88772_bind, .unbind = ax88772_unbind, - .status = asix_status, .reset = ax88772_reset, - .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | - FLAG_MULTI_PACKET, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET, .rx_fixup = asix_rx_fixup_common, .tx_fixup = asix_tx_fixup, .data = FLAG_EEPROM_MAC,