aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/arm/ixp4xx_eth.c26
-rw-r--r--drivers/net/smc91x.h5
-rw-r--r--drivers/net/wan/ixp4xx_hss.c11
3 files changed, 23 insertions, 19 deletions
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index a740053d3af..b6d188115ca 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -456,7 +456,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
debug_desc(phys, desc);
BUG_ON(phys & 0x1F);
qmgr_put_entry(queue, phys);
- BUG_ON(qmgr_stat_overflow(queue));
+ /* Don't check for queue overflow here, we've allocated sufficient
+ length and queues >= 32 don't support this check anyway. */
}
@@ -512,8 +513,8 @@ static int eth_poll(struct napi_struct *napi, int budget)
#endif
napi_complete(napi);
qmgr_enable_irq(rxq);
- if (!qmgr_stat_empty(rxq) &&
- napi_reschedule(napi)) {
+ if (!qmgr_stat_below_low_watermark(rxq) &&
+ napi_reschedule(napi)) { /* not empty again */
#if DEBUG_RX
printk(KERN_DEBUG "%s: eth_poll"
" napi_reschedule successed\n",
@@ -630,9 +631,9 @@ static void eth_txdone_irq(void *unused)
port->tx_buff_tab[n_desc] = NULL;
}
- start = qmgr_stat_empty(port->plat->txreadyq);
+ start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
queue_put_desc(port->plat->txreadyq, phys, desc);
- if (start) {
+ if (start) { /* TX-ready queue was empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: eth_txdone_irq xmit ready\n",
port->netdev->name);
@@ -708,13 +709,14 @@ static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
queue_put_desc(TX_QUEUE(port->id), tx_desc_phys(port, n), desc);
dev->trans_start = jiffies;
- if (qmgr_stat_empty(txreadyq)) {
+ if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: eth_xmit queue full\n", dev->name);
#endif
netif_stop_queue(dev);
/* we could miss TX ready interrupt */
- if (!qmgr_stat_empty(txreadyq)) {
+ /* really empty in fact */
+ if (!qmgr_stat_below_low_watermark(txreadyq)) {
#if DEBUG_TX
printk(KERN_DEBUG "%s: eth_xmit ready again\n",
dev->name);
@@ -814,29 +816,29 @@ static int request_queues(struct port *port)
int err;
err = qmgr_request_queue(RXFREE_QUEUE(port->id), RX_DESCS, 0, 0,
- "%s:RX-free", port->netdev->name);
+ "%s:RX-free", port->netdev->name);
if (err)
return err;
err = qmgr_request_queue(port->plat->rxq, RX_DESCS, 0, 0,
- "%s:RX", port->netdev->name);
+ "%s:RX", port->netdev->name);
if (err)
goto rel_rxfree;
err = qmgr_request_queue(TX_QUEUE(port->id), TX_DESCS, 0, 0,
- "%s:TX", port->netdev->name);
+ "%s:TX", port->netdev->name);
if (err)
goto rel_rx;
err = qmgr_request_queue(port->plat->txreadyq, TX_DESCS, 0, 0,
- "%s:TX-ready", port->netdev->name);
+ "%s:TX-ready", port->netdev->name);
if (err)
goto rel_tx;
/* TX-done queue handles skbs sent out by the NPEs */
if (!ports_open) {
err = qmgr_request_queue(TXDONE_QUEUE, TXDONE_QUEUE_LEN, 0, 0,
- "%s:TX-done", DRV_NAME);
+ "%s:TX-done", DRV_NAME);
if (err)
goto rel_txready;
}
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index 329f890e290..f1f773b17fe 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -45,7 +45,8 @@
defined(CONFIG_MACH_ZYLONITE) ||\
defined(CONFIG_MACH_LITTLETON) ||\
defined(CONFIG_MACH_ZYLONITE2) ||\
- defined(CONFIG_ARCH_VIPER)
+ defined(CONFIG_ARCH_VIPER) ||\
+ defined(CONFIG_MACH_STARGATE2)
#include <asm/mach-types.h>
@@ -73,7 +74,7 @@
/* We actually can't write halfwords properly if not word aligned */
static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
{
- if (machine_is_mainstone() && reg & 2) {
+ if ((machine_is_mainstone() || machine_is_stargate2()) && reg & 2) {
unsigned int v = val << 16;
v |= readl(ioaddr + (reg & ~2)) & 0xffff;
writel(v, ioaddr + (reg & ~2));
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 765a7f5d6aa..a6dc317083d 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -579,7 +579,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
debug_desc(phys, desc);
BUG_ON(phys & 0x1F);
qmgr_put_entry(queue, phys);
- BUG_ON(qmgr_stat_overflow(queue));
+ /* Don't check for queue overflow here, we've allocated sufficient
+ length and queues >= 32 don't support this check anyway. */
}
@@ -789,10 +790,10 @@ static void hss_hdlc_txdone_irq(void *pdev)
free_buffer_irq(port->tx_buff_tab[n_desc]);
port->tx_buff_tab[n_desc] = NULL;
- start = qmgr_stat_empty(port->plat->txreadyq);
+ start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
queue_put_desc(port->plat->txreadyq,
tx_desc_phys(port, n_desc), desc);
- if (start) {
+ if (start) { /* TX-ready queue was empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: hss_hdlc_txdone_irq xmit"
" ready\n", dev->name);
@@ -867,13 +868,13 @@ static int hss_hdlc_xmit(struct sk_buff *skb, struct net_device *dev)
queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc);
dev->trans_start = jiffies;
- if (qmgr_stat_empty(txreadyq)) {
+ if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
#if DEBUG_TX
printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name);
#endif
netif_stop_queue(dev);
/* we could miss TX ready interrupt */
- if (!qmgr_stat_empty(txreadyq)) {
+ if (!qmgr_stat_below_low_watermark(txreadyq)) {
#if DEBUG_TX
printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n",
dev->name);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 12:24:15 +0000