netdev - [PATCH net-next v2 1/4] net: usb: asix: unify ax88772

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Message-Id: <20220311085014.1210963-1-o.rempel@pengutronix.de>
Date:   Fri, 11 Mar 2022 09:50:11 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, paskripkin@...il.com
Subject: [PATCH net-next v2 1/4] net: usb: asix: unify ax88772_resume code

The only difference is the reset code, so remove not needed duplicates.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/usb/asix.h         |  1 +
 drivers/net/usb/asix_devices.c | 32 ++++++++------------------------
 2 files changed, 9 insertions(+), 24 deletions(-)

diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h
index 4334aafab59a..b5ac693cebf2 100644
--- a/drivers/net/usb/asix.h
+++ b/drivers/net/usb/asix.h
@@ -177,6 +177,7 @@ struct asix_rx_fixup_info {
 struct asix_common_private {
 	void (*resume)(struct usbnet *dev);
 	void (*suspend)(struct usbnet *dev);
+	int (*reset)(struct usbnet *dev, int in_pm);
 	u16 presvd_phy_advertise;
 	u16 presvd_phy_bmcr;
 	struct asix_rx_fixup_info rx_fixup_info;
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index e6cfa9a39a87..28bb98cdfa33 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -625,27 +625,13 @@ static void ax88772_resume(struct usbnet *dev)
 	int i;
 
 	for (i = 0; i < 3; i++)
-		if (!ax88772_hw_reset(dev, 1))
+		if (!priv->reset(dev, 1))
 			break;
 
 	if (netif_running(dev->net))
 		phy_start(priv->phydev);
 }
 
-static void ax88772a_resume(struct usbnet *dev)
-{
-	struct asix_common_private *priv = dev->driver_priv;
-	int i;
-
-	for (i = 0; i < 3; i++) {
-		if (!ax88772a_hw_reset(dev, 1))
-			break;
-	}
-
-	if (netif_running(dev->net))
-		phy_start(priv->phydev);
-}
-
 static int asix_resume(struct usb_interface *intf)
 {
 	struct usbnet *dev = usb_get_intfdata(intf);
@@ -763,9 +749,14 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 
 	chipcode &= AX_CHIPCODE_MASK;
 
-	ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
-						  ax88772a_hw_reset(dev, 0);
+	priv->resume = ax88772_resume;
+	priv->suspend = ax88772_suspend;
+	if (chipcode == AX_AX88772_CHIPCODE)
+		priv->reset = ax88772_hw_reset;
+	else
+		priv->reset = ax88772a_hw_reset;
 
+	ret = priv->reset(dev, 0);
 	if (ret < 0) {
 		netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
 		return ret;
@@ -780,13 +771,6 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 
 	priv->presvd_phy_bmcr = 0;
 	priv->presvd_phy_advertise = 0;
-	if (chipcode == AX_AX88772_CHIPCODE) {
-		priv->resume = ax88772_resume;
-		priv->suspend = ax88772_suspend;
-	} else {
-		priv->resume = ax88772a_resume;
-		priv->suspend = ax88772_suspend;
-	}
 
 	ret = ax88772_init_mdio(dev);
 	if (ret)
-- 
2.30.2