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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Browse Source 
Conflicts:
	drivers/ieee802154/fakehard.c
	drivers/net/e1000e/ich8lan.c
	drivers/net/e1000e/phy.c
	drivers/net/netxen/netxen_nic_init.c
	drivers/net/wireless/ath/ath9k/main.c
This commit is contained in:
David S. Miller
2009-11-29 00:57:15 -08:00
parent 3b8626ba01 5fdd4baef6
commit 9b963e5d0e
31 changed files with 296 additions and 259 deletions
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50
drivers/net/stmmac/stmmac_main.c
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@@ -416,13 +416,8 @@ static void init_dma_desc_rings(struct net_device *dev)
unsigned int txsize = priv->dma_tx_size;
unsigned int rxsize = priv->dma_rx_size;
unsigned int bfsize = priv->dma_buf_sz;
int buff2_needed = 0;
int dis_ic = 0;
int buff2_needed = 0, dis_ic = 0;
#ifdef CONFIG_STMMAC_TIMER
/* Using Timers disable interrupts on completion for the reception */
dis_ic = 1;
#endif
/* Set the Buffer size according to the MTU;
* indeed, in case of jumbo we need to bump-up the buffer sizes.
*/
@@ -437,6 +432,11 @@ static void init_dma_desc_rings(struct net_device *dev)
else
bfsize = DMA_BUFFER_SIZE;
#ifdef CONFIG_STMMAC_TIMER
/* Disable interrupts on completion for the reception if timer is on */
if (likely(priv->tm->enable))
dis_ic = 1;
#endif
/* If the MTU exceeds 8k so use the second buffer in the chain */
if (bfsize >= BUF_SIZE_8KiB)
buff2_needed = 1;
@@ -809,20 +809,22 @@ static void stmmac_tx(struct stmmac_priv *priv)
static inline void stmmac_enable_irq(struct stmmac_priv *priv)
{
#ifndef CONFIG_STMMAC_TIMER
writel(DMA_INTR_DEFAULT_MASK, priv->dev->base_addr + DMA_INTR_ENA);
#else
priv->tm->timer_start(tmrate);
#ifdef CONFIG_STMMAC_TIMER
if (likely(priv->tm->enable))
priv->tm->timer_start(tmrate);
else
#endif
writel(DMA_INTR_DEFAULT_MASK, priv->dev->base_addr + DMA_INTR_ENA);
}
static inline void stmmac_disable_irq(struct stmmac_priv *priv)
{
#ifndef CONFIG_STMMAC_TIMER
writel(0, priv->dev->base_addr + DMA_INTR_ENA);
#else
priv->tm->timer_stop();
#ifdef CONFIG_STMMAC_TIMER
if (likely(priv->tm->enable))
priv->tm->timer_stop();
else
#endif
writel(0, priv->dev->base_addr + DMA_INTR_ENA);
}
static int stmmac_has_work(struct stmmac_priv *priv)
@@ -1031,22 +1033,23 @@ static int stmmac_open(struct net_device *dev)
}
#ifdef CONFIG_STMMAC_TIMER
priv->tm = kmalloc(sizeof(struct stmmac_timer *), GFP_KERNEL);
priv->tm = kzalloc(sizeof(struct stmmac_timer *), GFP_KERNEL);
if (unlikely(priv->tm == NULL)) {
pr_err("%s: ERROR: timer memory alloc failed \n", __func__);
return -ENOMEM;
}
priv->tm->freq = tmrate;
/* Test if the HW timer can be actually used.
* In case of failure continue with no timer. */
/* Test if the external timer can be actually used.
* In case of failure continue without timer. */
if (unlikely((stmmac_open_ext_timer(dev, priv->tm)) < 0)) {
pr_warning("stmmaceth: cannot attach the HW timer\n");
pr_warning("stmmaceth: cannot attach the external timer.\n");
tmrate = 0;
priv->tm->freq = 0;
priv->tm->timer_start = stmmac_no_timer_started;
priv->tm->timer_stop = stmmac_no_timer_stopped;
}
} else
priv->tm->enable = 1;
#endif
/* Create and initialize the TX/RX descriptors chains. */
@@ -1322,9 +1325,11 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
/* Interrupt on completition only for the latest segment */
priv->mac_type->ops->close_tx_desc(desc);
#ifdef CONFIG_STMMAC_TIMER
/* Clean IC while using timers */
priv->mac_type->ops->clear_tx_ic(desc);
/* Clean IC while using timer */
if (likely(priv->tm->enable))
priv->mac_type->ops->clear_tx_ic(desc);
#endif
/* To avoid raise condition */
priv->mac_type->ops->set_tx_owner(first);
@@ -2028,7 +2033,8 @@ static int stmmac_suspend(struct platform_device *pdev, pm_message_t state)
#ifdef CONFIG_STMMAC_TIMER
priv->tm->timer_stop();
dis_ic = 1;
if (likely(priv->tm->enable))
dis_ic = 1;
#endif
napi_disable(&priv->napi);

4
drivers/net/stmmac/stmmac_timer.c
View File

@@ -63,7 +63,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
stmmac_rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
if (stmmac_rtc == NULL) {
pr_error("open rtc device failed\n");
pr_err("open rtc device failed\n");
return -ENODEV;
}
@@ -71,7 +71,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
/* Periodic mode is not supported */
if ((rtc_irq_set_freq(stmmac_rtc, &stmmac_task, tm->freq) < 0)) {
pr_error("set periodic failed\n");
pr_err("set periodic failed\n");
rtc_irq_unregister(stmmac_rtc, &stmmac_task);
rtc_class_close(stmmac_rtc);
return -1;

1
drivers/net/stmmac/stmmac_timer.h
View File

@@ -26,6 +26,7 @@ struct stmmac_timer {
void (*timer_start) (unsigned int new_freq);
void (*timer_stop) (void);
unsigned int freq;
unsigned int enable;
};
/* Open the HW timer device and return 0 in case of success */