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Message-Id: <20181012083405.19246-8-ben.dooks@codethink.co.uk>
Date: Fri, 12 Oct 2018 09:34:04 +0100
From: Ben Dooks <ben.dooks@...ethink.co.uk>
To: netdev@...r.kernel.org
Cc: oneukum@...e.com, davem@...emloft.net, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-kernel@...ts.codethink.co.uk,
Ben Dooks <ben.dooks@...ethink.co.uk>
Subject: [PATCH 7/8] usbnet: smsc95xx: add usbnet -> priv function
There are a number of places in the smsc95xx driver where it gets the
private-data from the usbnet passed in. It would be sensible to have
one inline function to convert it and change all points in the driver
to use that.
Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
---
drivers/net/usb/smsc95xx.c | 47 +++++++++++++++++++++-----------------
1 file changed, 26 insertions(+), 21 deletions(-)
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 03c3c02b569c..1eb0795ec90f 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -78,6 +78,11 @@ struct smsc95xx_priv {
struct usbnet *dev;
};
+static inline struct smsc95xx_priv *usbnet_to_smsc(struct usbnet *dev)
+{
+ return (struct smsc95xx_priv *)dev->data[0];
+}
+
static bool turbo_mode = IS_ENABLED(CONFIG_USB_NET_SMSC95XX_TURBO);
module_param(turbo_mode, bool, 0644);
MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
@@ -467,7 +472,7 @@ static unsigned int smsc95xx_hash(char addr[ETH_ALEN])
static void smsc95xx_set_multicast(struct net_device *netdev)
{
struct usbnet *dev = netdev_priv(netdev);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
unsigned long flags;
int ret;
@@ -562,7 +567,7 @@ static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
static int smsc95xx_link_reset(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
struct mii_if_info *mii = &dev->mii;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
unsigned long flags;
@@ -630,7 +635,7 @@ static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
static void set_carrier(struct usbnet *dev, bool link)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
if (pdata->link_ok == link)
return;
@@ -759,7 +764,7 @@ static void smsc95xx_ethtool_get_wol(struct net_device *net,
struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
wolinfo->supported = SUPPORTED_WAKE;
wolinfo->wolopts = pdata->wolopts;
@@ -769,7 +774,7 @@ static int smsc95xx_ethtool_set_wol(struct net_device *net,
struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
int ret;
pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;
@@ -805,7 +810,7 @@ static int get_mdix_status(struct net_device *net)
static void set_mdix_status(struct net_device *net, __u8 mdix_ctrl)
{
struct usbnet *dev = netdev_priv(net);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
int buf;
if ((pdata->chip_id == ID_REV_CHIP_ID_9500A_) ||
@@ -854,7 +859,7 @@ static int smsc95xx_get_link_ksettings(struct net_device *net,
struct ethtool_link_ksettings *cmd)
{
struct usbnet *dev = netdev_priv(net);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
int retval;
retval = usbnet_get_link_ksettings(net, cmd);
@@ -869,7 +874,7 @@ static int smsc95xx_set_link_ksettings(struct net_device *net,
const struct ethtool_link_ksettings *cmd)
{
struct usbnet *dev = netdev_priv(net);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
int retval;
if (pdata->mdix_ctrl != cmd->base.eth_tp_mdix_ctrl)
@@ -951,7 +956,7 @@ static int smsc95xx_set_mac_address(struct usbnet *dev)
/* starts the TX path */
static int smsc95xx_start_tx_path(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
unsigned long flags;
int ret;
@@ -971,7 +976,7 @@ static int smsc95xx_start_tx_path(struct usbnet *dev)
/* Starts the Receive path */
static int smsc95xx_start_rx_path(struct usbnet *dev, int in_pm)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
unsigned long flags;
spin_lock_irqsave(&pdata->mac_cr_lock, flags);
@@ -1028,7 +1033,7 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
static int smsc95xx_reset(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
u32 read_buf, write_buf, burst_cap;
int ret = 0, timeout;
@@ -1271,7 +1276,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc95xx_priv),
GFP_KERNEL);
- pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ pdata = usbnet_to_smsc(dev);
if (!pdata)
return -ENOMEM;
@@ -1328,7 +1333,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
if (pdata) {
cancel_delayed_work(&pdata->carrier_check);
@@ -1388,7 +1393,7 @@ static int smsc95xx_link_ok_nopm(struct usbnet *dev)
static int smsc95xx_enter_suspend0(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
u32 val;
int ret;
@@ -1427,7 +1432,7 @@ static int smsc95xx_enter_suspend0(struct usbnet *dev)
static int smsc95xx_enter_suspend1(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
struct mii_if_info *mii = &dev->mii;
u32 val;
int ret;
@@ -1475,7 +1480,7 @@ static int smsc95xx_enter_suspend1(struct usbnet *dev)
static int smsc95xx_enter_suspend2(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
u32 val;
int ret;
@@ -1497,7 +1502,7 @@ static int smsc95xx_enter_suspend2(struct usbnet *dev)
static int smsc95xx_enter_suspend3(struct usbnet *dev)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
u32 val;
int ret;
@@ -1536,7 +1541,7 @@ static int smsc95xx_enter_suspend3(struct usbnet *dev)
static int smsc95xx_autosuspend(struct usbnet *dev, u32 link_up)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
int ret;
if (!netif_running(dev->net)) {
@@ -1584,7 +1589,7 @@ static int smsc95xx_autosuspend(struct usbnet *dev, u32 link_up)
static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
u32 val, link_up;
int ret;
@@ -1848,7 +1853,7 @@ static int smsc95xx_resume(struct usb_interface *intf)
u32 val;
BUG_ON(!dev);
- pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ pdata = usbnet_to_smsc(dev);
suspend_flags = pdata->suspend_flags;
netdev_dbg(dev->net, "resume suspend_flags=0x%02x\n", suspend_flags);
@@ -2084,7 +2089,7 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
static int smsc95xx_manage_power(struct usbnet *dev, int on)
{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ struct smsc95xx_priv *pdata = usbnet_to_smsc(dev);
dev->intf->needs_remote_wakeup = on;
--
2.19.1
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