diff options
| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2022-03-11 09:50:12 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-03-12 11:50:56 +0000 |
| commit | 5436fb3fd4c1f31f2cc4dadf69259e633351c1ff (patch) | |
| tree | 3ca17dde5f2793927957ac3e82ee2f495d7f8163 /drivers | |
| parent | d57da85dc4e3b7ad6e627c90f73aca51a45826d2 (diff) | |
| download | linux-5436fb3fd4c1f31f2cc4dadf69259e633351c1ff.tar.bz2 | |
net: usb: asix: store chipid to avoid reading it on reset
We already read chipid on probe. There is no need to read it on reset.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/usb/asix.h | 1 | ||||
| -rw-r--r-- | drivers/net/usb/asix_devices.c | 19 |
2 files changed, 8 insertions, 12 deletions
diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h index b5ac693cebf2..691f37f45238 100644 --- a/drivers/net/usb/asix.h +++ b/drivers/net/usb/asix.h @@ -186,6 +186,7 @@ struct asix_common_private { u16 phy_addr; char phy_name[20]; bool embd_phy; + u8 chipcode; }; extern const struct driver_info ax88172a_info; diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index bb09181596c5..34622c1adacf 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -450,7 +450,6 @@ static int ax88772a_hw_reset(struct usbnet *dev, int in_pm) struct asix_data *data = (struct asix_data *)&dev->data; struct asix_common_private *priv = dev->driver_priv; u16 rx_ctl, phy14h, phy15h, phy16h; - u8 chipcode = 0; int ret; ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm); @@ -493,12 +492,7 @@ static int ax88772a_hw_reset(struct usbnet *dev, int in_pm) goto out; } - ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, - 0, 1, &chipcode, in_pm); - if (ret < 0) - goto out; - - if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) { + if (priv->chipcode == AX_AX88772B_CHIPCODE) { ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001, 0, NULL, in_pm); if (ret < 0) { @@ -506,7 +500,7 @@ static int ax88772a_hw_reset(struct usbnet *dev, int in_pm) ret); goto out; } - } else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) { + } else if (priv->chipcode == AX_AX88772A_CHIPCODE) { /* Check if the PHY registers have default settings */ phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, AX88772A_PHY14H); @@ -689,8 +683,8 @@ static int ax88772_init_phy(struct usbnet *dev) static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) { - u8 buf[ETH_ALEN] = {0}, chipcode = 0; struct asix_common_private *priv; + u8 buf[ETH_ALEN] = {0}; int ret, i; priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL); @@ -741,17 +735,18 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) priv->phy_addr = ret; priv->embd_phy = ((priv->phy_addr & 0x1f) == 0x10); - ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0); + ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, + &priv->chipcode, 0); if (ret < 0) { netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret); return ret; } - chipcode &= AX_CHIPCODE_MASK; + priv->chipcode &= AX_CHIPCODE_MASK; priv->resume = ax88772_resume; priv->suspend = ax88772_suspend; - if (chipcode == AX_AX88772_CHIPCODE) + if (priv->chipcode == AX_AX88772_CHIPCODE) priv->reset = ax88772_hw_reset; else priv->reset = ax88772a_hw_reset; |