This is a note to let you know that I've just added the patch titled
net: usb: ax88179_178a: remove redundant init code
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-usb-ax88179_178a-remove-redundant-init-code.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9718f9ce5b86e2f4e6364762018980f0222c2e5e Mon Sep 17 00:00:00 2001
From: Justin Chen <justinpopo6@xxxxxxxxx>
Date: Wed, 20 Jul 2022 17:28:12 -0700
Subject: net: usb: ax88179_178a: remove redundant init code
From: Justin Chen <justinpopo6@xxxxxxxxx>
commit 9718f9ce5b86e2f4e6364762018980f0222c2e5e upstream.
Bind and reset are basically doing the same thing. Remove the duplicate
code and have bind call into reset.
Signed-off-by: Justin Chen <justinpopo6@xxxxxxxxx>
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Jeffery Miller <jefferymiller@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/usb/ax88179_178a.c | 85 +----------------------------------------
1 file changed, 4 insertions(+), 81 deletions(-)
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -164,6 +164,8 @@
#define GMII_PHY_PGSEL_PAGE3 0x0003
#define GMII_PHY_PGSEL_PAGE5 0x0005
+static int ax88179_reset(struct usbnet *dev);
+
struct ax88179_data {
u8 eee_enabled;
u8 eee_active;
@@ -1308,47 +1310,12 @@ static void ax88179_get_mac_addr(struct
static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
{
- u8 buf[5];
- u16 *tmp16;
- u8 *tmp;
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
- struct ethtool_eee eee_data;
usbnet_get_endpoints(dev, intf);
- tmp16 = (u16 *)buf;
- tmp = (u8 *)buf;
-
memset(ax179_data, 0, sizeof(*ax179_data));
- /* Power up ethernet PHY */
- *tmp16 = 0;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
- *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
- msleep(200);
-
- *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
- msleep(100);
-
- /* Read MAC address from DTB or asix chip */
- ax88179_get_mac_addr(dev);
- memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
-
- /* RX bulk configuration */
- memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
-
- dev->rx_urb_size = 1024 * 20;
-
- *tmp = 0x34;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
-
- *tmp = 0x52;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
- 1, 1, tmp);
-
dev->net->netdev_ops = &ax88179_netdev_ops;
dev->net->ethtool_ops = &ax88179_ethtool_ops;
dev->net->needed_headroom = 8;
@@ -1369,46 +1336,7 @@ static int ax88179_bind(struct usbnet *d
dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_RXCSUM;
- /* Enable checksum offload */
- *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
- AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
-
- *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
- AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
-
- /* Configure RX control register => start operation */
- *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
- AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
-
- *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
- AX_MONITOR_MODE_RWMP;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
-
- /* Configure default medium type => giga */
- *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
- AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
- AX_MEDIUM_GIGAMODE;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
- 2, 2, tmp16);
-
- ax88179_led_setting(dev);
-
- ax179_data->eee_enabled = 0;
- ax179_data->eee_active = 0;
-
- ax88179_disable_eee(dev);
-
- ax88179_ethtool_get_eee(dev, &eee_data);
- eee_data.advertised = 0;
- ax88179_ethtool_set_eee(dev, &eee_data);
-
- /* Restart autoneg */
- mii_nway_restart(&dev->mii);
-
- usbnet_link_change(dev, 0, 0);
+ ax88179_reset(dev);
return 0;
}
@@ -1697,6 +1625,7 @@ static int ax88179_reset(struct usbnet *
/* Read MAC address from DTB or asix chip */
ax88179_get_mac_addr(dev);
+ memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
/* RX bulk configuration */
memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
@@ -1711,12 +1640,6 @@ static int ax88179_reset(struct usbnet *
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1, 1, tmp);
- dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM;
-
- dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM;
-
/* Enable checksum offload */
*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
Patches currently in stable-queue which might be from justinpopo6@xxxxxxxxx are
queue-5.15/net-usb-ax88179_178a-move-priv-to-driver_priv.patch
queue-5.15/net-usb-ax88179_178a-remove-redundant-init-code.patch
