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path: root/drivers/net/smc911x.c
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Diffstat (limited to 'drivers/net/smc911x.c')
-rw-r--r--drivers/net/smc911x.c121
1 files changed, 61 insertions, 60 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index c5871624f97..1f26ab0e798 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -155,23 +155,17 @@ static void PRINT_PKT(u_char *buf, int length)
/* this enables an interrupt in the interrupt mask register */
#define SMC_ENABLE_INT(lp, x) do { \
unsigned int __mask; \
- unsigned long __flags; \
- spin_lock_irqsave(&lp->lock, __flags); \
__mask = SMC_GET_INT_EN((lp)); \
__mask |= (x); \
SMC_SET_INT_EN((lp), __mask); \
- spin_unlock_irqrestore(&lp->lock, __flags); \
} while (0)
/* this disables an interrupt from the interrupt mask register */
#define SMC_DISABLE_INT(lp, x) do { \
unsigned int __mask; \
- unsigned long __flags; \
- spin_lock_irqsave(&lp->lock, __flags); \
__mask = SMC_GET_INT_EN((lp)); \
__mask &= ~(x); \
SMC_SET_INT_EN((lp), __mask); \
- spin_unlock_irqrestore(&lp->lock, __flags); \
} while (0)
/*
@@ -180,10 +174,10 @@ static void PRINT_PKT(u_char *buf, int length)
static void smc911x_reset(struct net_device *dev)
{
struct smc911x_local *lp = netdev_priv(dev);
- unsigned int reg, timeout=0, resets=1;
+ unsigned int reg, timeout=0, resets=1, irq_cfg;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
/* Take out of PM setting first */
if ((SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_) == 0) {
@@ -252,7 +246,12 @@ static void smc911x_reset(struct net_device *dev)
* Deassert IRQ for 1*10us for edge type interrupts
* and drive IRQ pin push-pull
*/
- SMC_SET_IRQ_CFG(lp, (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_);
+ irq_cfg = (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_;
+#ifdef SMC_DYNAMIC_BUS_CONFIG
+ if (lp->cfg.irq_polarity)
+ irq_cfg |= INT_CFG_IRQ_POL_;
+#endif
+ SMC_SET_IRQ_CFG(lp, irq_cfg);
/* clear anything saved */
if (lp->pending_tx_skb != NULL) {
@@ -272,7 +271,9 @@ static void smc911x_enable(struct net_device *dev)
unsigned mask, cfg, cr;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
+
+ spin_lock_irqsave(&lp->lock, flags);
SMC_SET_MAC_ADDR(lp, dev->dev_addr);
@@ -286,12 +287,10 @@ static void smc911x_enable(struct net_device *dev)
SMC_SET_FIFO_TSL(lp, 64);
SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
- spin_lock_irqsave(&lp->lock, flags);
SMC_GET_MAC_CR(lp, cr);
cr |= MAC_CR_TXEN_ | MAC_CR_HBDIS_;
SMC_SET_MAC_CR(lp, cr);
SMC_SET_TX_CFG(lp, TX_CFG_TX_ON_);
- spin_unlock_irqrestore(&lp->lock, flags);
/* Add 2 byte padding to start of packets */
SMC_SET_RX_CFG(lp, (2<<8) & RX_CFG_RXDOFF_);
@@ -300,9 +299,7 @@ static void smc911x_enable(struct net_device *dev)
if (cr & MAC_CR_RXEN_)
DBG(SMC_DEBUG_RX, "%s: Receiver already enabled\n", dev->name);
- spin_lock_irqsave(&lp->lock, flags);
SMC_SET_MAC_CR(lp, cr | MAC_CR_RXEN_);
- spin_unlock_irqrestore(&lp->lock, flags);
/* Interrupt on every received packet */
SMC_SET_FIFO_RSA(lp, 0x01);
@@ -318,6 +315,8 @@ static void smc911x_enable(struct net_device *dev)
mask|=INT_EN_RDFO_EN_;
}
SMC_ENABLE_INT(lp, mask);
+
+ spin_unlock_irqrestore(&lp->lock, flags);
}
/*
@@ -329,7 +328,7 @@ static void smc911x_shutdown(struct net_device *dev)
unsigned cr;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", CARDNAME, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", CARDNAME, __func__);
/* Disable IRQ's */
SMC_SET_INT_EN(lp, 0);
@@ -348,7 +347,7 @@ static inline void smc911x_drop_pkt(struct net_device *dev)
struct smc911x_local *lp = netdev_priv(dev);
unsigned int fifo_count, timeout, reg;
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n", CARDNAME, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n", CARDNAME, __func__);
fifo_count = SMC_GET_RX_FIFO_INF(lp) & 0xFFFF;
if (fifo_count <= 4) {
/* Manually dump the packet data */
@@ -382,7 +381,7 @@ static inline void smc911x_rcv(struct net_device *dev)
unsigned char *data;
DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n",
- dev->name, __FUNCTION__);
+ dev->name, __func__);
status = SMC_GET_RX_STS_FIFO(lp);
DBG(SMC_DEBUG_RX, "%s: Rx pkt len %d status 0x%08x \n",
dev->name, (status & 0x3fff0000) >> 16, status & 0xc000ffff);
@@ -458,9 +457,8 @@ static void smc911x_hardware_send_pkt(struct net_device *dev)
struct sk_buff *skb;
unsigned int cmdA, cmdB, len;
unsigned char *buf;
- unsigned long flags;
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n", dev->name, __func__);
BUG_ON(lp->pending_tx_skb == NULL);
skb = lp->pending_tx_skb;
@@ -501,13 +499,11 @@ static void smc911x_hardware_send_pkt(struct net_device *dev)
#else
SMC_PUSH_DATA(lp, buf, len);
dev->trans_start = jiffies;
- dev_kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
#endif
- spin_lock_irqsave(&lp->lock, flags);
if (!lp->tx_throttle) {
netif_wake_queue(dev);
}
- spin_unlock_irqrestore(&lp->lock, flags);
SMC_ENABLE_INT(lp, INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_);
}
@@ -524,7 +520,9 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned long flags;
DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n",
- dev->name, __FUNCTION__);
+ dev->name, __func__);
+
+ spin_lock_irqsave(&lp->lock, flags);
BUG_ON(lp->pending_tx_skb != NULL);
@@ -535,12 +533,10 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (free <= SMC911X_TX_FIFO_LOW_THRESHOLD) {
DBG(SMC_DEBUG_TX, "%s: Disabling data flow due to low FIFO space (%d)\n",
dev->name, free);
- spin_lock_irqsave(&lp->lock, flags);
/* Reenable when at least 1 packet of size MTU present */
SMC_SET_FIFO_TDA(lp, (SMC911X_TX_FIFO_LOW_THRESHOLD)/64);
lp->tx_throttle = 1;
netif_stop_queue(dev);
- spin_unlock_irqrestore(&lp->lock, flags);
}
/* Drop packets when we run out of space in TX FIFO
@@ -556,6 +552,7 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
lp->pending_tx_skb = NULL;
dev->stats.tx_errors++;
dev->stats.tx_dropped++;
+ spin_unlock_irqrestore(&lp->lock, flags);
dev_kfree_skb(skb);
return 0;
}
@@ -565,7 +562,6 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* If the DMA is already running then defer this packet Tx until
* the DMA IRQ starts it
*/
- spin_lock_irqsave(&lp->lock, flags);
if (lp->txdma_active) {
DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: Tx DMA running, deferring packet\n", dev->name);
lp->pending_tx_skb = skb;
@@ -576,11 +572,11 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: Activating Tx DMA\n", dev->name);
lp->txdma_active = 1;
}
- spin_unlock_irqrestore(&lp->lock, flags);
}
#endif
lp->pending_tx_skb = skb;
smc911x_hardware_send_pkt(dev);
+ spin_unlock_irqrestore(&lp->lock, flags);
return 0;
}
@@ -596,7 +592,7 @@ static void smc911x_tx(struct net_device *dev)
unsigned int tx_status;
DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n",
- dev->name, __FUNCTION__);
+ dev->name, __func__);
/* Collect the TX status */
while (((SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16) != 0) {
@@ -647,7 +643,7 @@ static int smc911x_phy_read(struct net_device *dev, int phyaddr, int phyreg)
SMC_GET_MII(lp, phyreg, phyaddr, phydata);
DBG(SMC_DEBUG_MISC, "%s: phyaddr=0x%x, phyreg=0x%02x, phydata=0x%04x\n",
- __FUNCTION__, phyaddr, phyreg, phydata);
+ __func__, phyaddr, phyreg, phydata);
return phydata;
}
@@ -661,7 +657,7 @@ static void smc911x_phy_write(struct net_device *dev, int phyaddr, int phyreg,
struct smc911x_local *lp = netdev_priv(dev);
DBG(SMC_DEBUG_MISC, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
- __FUNCTION__, phyaddr, phyreg, phydata);
+ __func__, phyaddr, phyreg, phydata);
SMC_SET_MII(lp, phyreg, phyaddr, phydata);
}
@@ -676,7 +672,7 @@ static void smc911x_phy_detect(struct net_device *dev)
int phyaddr;
unsigned int cfg, id1, id2;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
lp->phy_type = 0;
@@ -685,8 +681,10 @@ static void smc911x_phy_detect(struct net_device *dev)
* PHY#1 to PHY#31, and then PHY#0 last.
*/
switch(lp->version) {
- case 0x115:
- case 0x117:
+ case CHIP_9115:
+ case CHIP_9117:
+ case CHIP_9215:
+ case CHIP_9217:
cfg = SMC_GET_HW_CFG(lp);
if (cfg & HW_CFG_EXT_PHY_DET_) {
cfg &= ~HW_CFG_PHY_CLK_SEL_;
@@ -722,6 +720,9 @@ static void smc911x_phy_detect(struct net_device *dev)
break;
}
}
+ if (phyaddr < 32)
+ /* Found an external PHY */
+ break;
}
default:
/* Internal media only */
@@ -746,7 +747,7 @@ static int smc911x_phy_fixed(struct net_device *dev)
int phyaddr = lp->mii.phy_id;
int bmcr;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
/* Enter Link Disable state */
SMC_GET_PHY_BMCR(lp, phyaddr, bmcr);
@@ -793,7 +794,7 @@ static int smc911x_phy_reset(struct net_device *dev, int phy)
unsigned long flags;
unsigned int reg;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __func__);
spin_lock_irqsave(&lp->lock, flags);
reg = SMC_GET_PMT_CTRL(lp);
@@ -852,7 +853,7 @@ static void smc911x_phy_check_media(struct net_device *dev, int init)
int phyaddr = lp->mii.phy_id;
unsigned int bmcr, cr;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) {
/* duplex state has changed */
@@ -892,7 +893,7 @@ static void smc911x_phy_configure(struct work_struct *work)
int status;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __func__);
/*
* We should not be called if phy_type is zero.
@@ -985,7 +986,7 @@ static void smc911x_phy_interrupt(struct net_device *dev)
int phyaddr = lp->mii.phy_id;
int status;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
if (lp->phy_type == 0)
return;
@@ -1013,7 +1014,7 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id)
unsigned int rx_overrun=0, cr, pkts;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
spin_lock_irqsave(&lp->lock, flags);
@@ -1174,8 +1175,6 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id)
spin_unlock_irqrestore(&lp->lock, flags);
- DBG(3, "%s: Interrupt done (%d loops)\n", dev->name, 8-timeout);
-
return IRQ_HANDLED;
}
@@ -1188,7 +1187,7 @@ smc911x_tx_dma_irq(int dma, void *data)
struct sk_buff *skb = lp->current_tx_skb;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: TX DMA irq handler\n", dev->name);
/* Clear the DMA interrupt sources */
@@ -1224,7 +1223,7 @@ smc911x_rx_dma_irq(int dma, void *data)
unsigned long flags;
unsigned int pkts;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, "%s: RX DMA irq handler\n", dev->name);
/* Clear the DMA interrupt sources */
SMC_DMA_ACK_IRQ(dev, dma);
@@ -1239,7 +1238,7 @@ smc911x_rx_dma_irq(int dma, void *data)
netif_rx(skb);
spin_lock_irqsave(&lp->lock, flags);
- pkts = (SMC_GET_RX_FIFO_INF() & RX_FIFO_INF_RXSUSED_) >> 16;
+ pkts = (SMC_GET_RX_FIFO_INF(lp) & RX_FIFO_INF_RXSUSED_) >> 16;
if (pkts != 0) {
smc911x_rcv(dev);
}else {
@@ -1272,7 +1271,7 @@ static void smc911x_timeout(struct net_device *dev)
int status, mask;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
spin_lock_irqsave(&lp->lock, flags);
status = SMC_GET_INT(lp);
@@ -1310,7 +1309,7 @@ static void smc911x_set_multicast_list(struct net_device *dev)
unsigned int mcr, update_multicast = 0;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
spin_lock_irqsave(&lp->lock, flags);
SMC_GET_MAC_CR(lp, mcr);
@@ -1412,7 +1411,7 @@ smc911x_open(struct net_device *dev)
{
struct smc911x_local *lp = netdev_priv(dev);
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
/*
* Check that the address is valid. If its not, refuse
@@ -1420,7 +1419,7 @@ smc911x_open(struct net_device *dev)
* address using ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx
*/
if (!is_valid_ether_addr(dev->dev_addr)) {
- PRINTK("%s: no valid ethernet hw addr\n", __FUNCTION__);
+ PRINTK("%s: no valid ethernet hw addr\n", __func__);
return -EINVAL;
}
@@ -1449,7 +1448,7 @@ static int smc911x_close(struct net_device *dev)
{
struct smc911x_local *lp = netdev_priv(dev);
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
netif_stop_queue(dev);
netif_carrier_off(dev);
@@ -1483,7 +1482,7 @@ smc911x_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd)
int ret, status;
unsigned long flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
cmd->maxtxpkt = 1;
cmd->maxrxpkt = 1;
@@ -1621,7 +1620,7 @@ static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev)
for(timeout=10;(e2p_cmd & E2P_CMD_EPC_BUSY_) && timeout; timeout--) {
if (e2p_cmd & E2P_CMD_EPC_TIMEOUT_) {
PRINTK("%s: %s timeout waiting for EEPROM to respond\n",
- dev->name, __FUNCTION__);
+ dev->name, __func__);
return -EFAULT;
}
mdelay(1);
@@ -1629,7 +1628,7 @@ static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev)
}
if (timeout == 0) {
PRINTK("%s: %s timeout waiting for EEPROM CMD not busy\n",
- dev->name, __FUNCTION__);
+ dev->name, __func__);
return -ETIMEDOUT;
}
return 0;
@@ -1742,7 +1741,7 @@ static int __init smc911x_findirq(struct net_device *dev)
int timeout = 20;
unsigned long cookie;
- DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__);
cookie = probe_irq_on();
@@ -1808,7 +1807,7 @@ static int __init smc911x_probe(struct net_device *dev)
const char *version_string;
unsigned long irq_flags;
- DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
/* First, see if the endian word is recognized */
val = SMC_GET_BYTE_TEST(lp);
@@ -2051,14 +2050,16 @@ err_out:
*/
static int smc911x_drv_probe(struct platform_device *pdev)
{
- struct smc91x_platdata *pd = pdev->dev.platform_data;
+#ifdef SMC_DYNAMIC_BUS_CONFIG
+ struct smc911x_platdata *pd = pdev->dev.platform_data;
+#endif
struct net_device *ndev;
struct resource *res;
struct smc911x_local *lp;
unsigned int *addr;
int ret;
- DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -ENODEV;
@@ -2129,7 +2130,7 @@ static int smc911x_drv_remove(struct platform_device *pdev)
struct smc911x_local *lp = netdev_priv(ndev);
struct resource *res;
- DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__);
platform_set_drvdata(pdev, NULL);
unregister_netdev(ndev);
@@ -2159,7 +2160,7 @@ static int smc911x_drv_suspend(struct platform_device *dev, pm_message_t state)
struct net_device *ndev = platform_get_drvdata(dev);
struct smc911x_local *lp = netdev_priv(ndev);
- DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__);
if (ndev) {
if (netif_running(ndev)) {
netif_device_detach(ndev);
@@ -2177,15 +2178,15 @@ static int smc911x_drv_resume(struct platform_device *dev)
{
struct net_device *ndev = platform_get_drvdata(dev);
- DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__);
+ DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__);
if (ndev) {
struct smc911x_local *lp = netdev_priv(ndev);
if (netif_running(ndev)) {
smc911x_reset(ndev);
- smc911x_enable(ndev);
if (lp->phy_type != 0)
smc911x_phy_configure(&lp->phy_configure);
+ smc911x_enable(ndev);
netif_device_attach(ndev);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-26 10:56:07 +0000