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Message-Id: <20220902083205.483438-3-maxime.chevallier@bootlin.com>
Date: Fri, 2 Sep 2022 10:32:02 +0200
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: davem@...emloft.net, Rob Herring <robh+dt@...nel.org>
Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
thomas.petazzoni@...tlin.com, Andrew Lunn <andrew@...n.ch>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
Florian Fainelli <f.fainelli@...il.com>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
devicetree@...r.kernel.org
Subject: [PATCH net-next v4 2/5] net: altera: tse: cosmetic change to use reverse xmas tree ordering
Make the driver code cleaner through a strictly cosmetic change, using
he reverse xmas tree variable declaration ordering.
Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
---
V2->V3 : Reword commit message
V2->V3 : No changes
V1->V2 : No changes
.../net/ethernet/altera/altera_tse_ethtool.c | 2 +-
drivers/net/ethernet/altera/altera_tse_main.c | 43 ++++++++++---------
2 files changed, 23 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 3081e5874ac5..f0b11a278644 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -199,9 +199,9 @@ static int tse_reglen(struct net_device *dev)
static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *regbuf)
{
- int i;
struct altera_tse_private *priv = netdev_priv(dev);
u32 *buf = regbuf;
+ int i;
/* Set version to a known value, so ethtool knows
* how to do any special formatting of this data.
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 8c5828582c21..930afc9ec833 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -141,10 +141,10 @@ static int altera_tse_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
{
struct altera_tse_private *priv = netdev_priv(dev);
- int ret;
struct device_node *mdio_node = NULL;
- struct mii_bus *mdio = NULL;
struct device_node *child_node = NULL;
+ struct mii_bus *mdio = NULL;
+ int ret;
for_each_child_of_node(priv->device->of_node, child_node) {
if (of_device_is_compatible(child_node, "altr,tse-mdio")) {
@@ -236,8 +236,8 @@ static int tse_init_rx_buffer(struct altera_tse_private *priv,
static void tse_free_rx_buffer(struct altera_tse_private *priv,
struct tse_buffer *rxbuffer)
{
- struct sk_buff *skb = rxbuffer->skb;
dma_addr_t dma_addr = rxbuffer->dma_addr;
+ struct sk_buff *skb = rxbuffer->skb;
if (skb != NULL) {
if (dma_addr)
@@ -358,6 +358,7 @@ static inline void tse_rx_vlan(struct net_device *dev, struct sk_buff *skb)
{
struct ethhdr *eth_hdr;
u16 vid;
+
if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
!__vlan_get_tag(skb, &vid)) {
eth_hdr = (struct ethhdr *)skb->data;
@@ -371,10 +372,10 @@ static inline void tse_rx_vlan(struct net_device *dev, struct sk_buff *skb)
*/
static int tse_rx(struct altera_tse_private *priv, int limit)
{
- unsigned int count = 0;
+ unsigned int entry = priv->rx_cons % priv->rx_ring_size;
unsigned int next_entry;
+ unsigned int count = 0;
struct sk_buff *skb;
- unsigned int entry = priv->rx_cons % priv->rx_ring_size;
u32 rxstatus;
u16 pktlength;
u16 pktstatus;
@@ -448,10 +449,10 @@ static int tse_rx(struct altera_tse_private *priv, int limit)
static int tse_tx_complete(struct altera_tse_private *priv)
{
unsigned int txsize = priv->tx_ring_size;
- u32 ready;
- unsigned int entry;
struct tse_buffer *tx_buff;
+ unsigned int entry;
int txcomplete = 0;
+ u32 ready;
spin_lock(&priv->tx_lock);
@@ -497,8 +498,8 @@ static int tse_poll(struct napi_struct *napi, int budget)
{
struct altera_tse_private *priv =
container_of(napi, struct altera_tse_private, napi);
- int rxcomplete = 0;
unsigned long int flags;
+ int rxcomplete = 0;
tse_tx_complete(priv);
@@ -561,13 +562,13 @@ static irqreturn_t altera_isr(int irq, void *dev_id)
static netdev_tx_t tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
+ unsigned int nopaged_len = skb_headlen(skb);
unsigned int txsize = priv->tx_ring_size;
- unsigned int entry;
- struct tse_buffer *buffer = NULL;
int nfrags = skb_shinfo(skb)->nr_frags;
- unsigned int nopaged_len = skb_headlen(skb);
+ struct tse_buffer *buffer = NULL;
netdev_tx_t ret = NETDEV_TX_OK;
dma_addr_t dma_addr;
+ unsigned int entry;
spin_lock_bh(&priv->tx_lock);
@@ -696,8 +697,8 @@ static void altera_tse_adjust_link(struct net_device *dev)
static struct phy_device *connect_local_phy(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
- struct phy_device *phydev = NULL;
char phy_id_fmt[MII_BUS_ID_SIZE + 3];
+ struct phy_device *phydev = NULL;
if (priv->phy_addr != POLL_PHY) {
snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
@@ -773,8 +774,8 @@ static int altera_tse_phy_get_addr_mdio_create(struct net_device *dev)
static int init_phy(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
- struct phy_device *phydev;
struct device_node *phynode;
+ struct phy_device *phydev;
bool fixed_link = false;
int rc = 0;
@@ -1012,8 +1013,8 @@ static int tse_change_mtu(struct net_device *dev, int new_mtu)
static void altera_tse_set_mcfilter(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
- int i;
struct netdev_hw_addr *ha;
+ int i;
/* clear the hash filter */
for (i = 0; i < 64; i++)
@@ -1152,9 +1153,9 @@ static int init_sgmii_pcs(struct net_device *dev)
static int tse_open(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
+ unsigned long flags;
int ret = 0;
int i;
- unsigned long int flags;
/* Reset and configure TSE MAC and probe associated PHY */
ret = priv->dmaops->init_dma(priv);
@@ -1265,8 +1266,8 @@ static int tse_open(struct net_device *dev)
static int tse_shutdown(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
- int ret;
unsigned long int flags;
+ int ret;
/* Stop the PHY */
if (dev->phydev)
@@ -1320,8 +1321,8 @@ static struct net_device_ops altera_tse_netdev_ops = {
static int request_and_map(struct platform_device *pdev, const char *name,
struct resource **res, void __iomem **ptr)
{
- struct resource *region;
struct device *device = &pdev->dev;
+ struct resource *region;
*res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
if (*res == NULL) {
@@ -1350,13 +1351,13 @@ static int request_and_map(struct platform_device *pdev, const char *name,
*/
static int altera_tse_probe(struct platform_device *pdev)
{
- struct net_device *ndev;
- int ret = -ENODEV;
+ const struct of_device_id *of_id = NULL;
+ struct altera_tse_private *priv;
struct resource *control_port;
struct resource *dma_res;
- struct altera_tse_private *priv;
+ struct net_device *ndev;
void __iomem *descmap;
- const struct of_device_id *of_id = NULL;
+ int ret = -ENODEV;
ndev = alloc_etherdev(sizeof(struct altera_tse_private));
if (!ndev) {
--
2.37.2
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