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Commit 6d9d6796 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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[PATCH] irqreturn_t for drivers/net/pcmcia 

From: Zwane Mwaikambo <zwane@linuxpower.ca>

update pcmcia drivers for new IRQ API
parent df37f627
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Inline Side-by-side
Showing with 36 additions and 27 deletions
drivers/net/pcmcia/3c589_cs.c
View file @ 6d9d6796
......@@ -159,7 +159,7 @@ static void media_check(unsigned long arg);
static int el3_config(struct net_device *dev, struct ifmap *map);
static int el3_open(struct net_device *dev);
static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void el3_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static irqreturn_t el3_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static void update_stats(struct net_device *dev);
static struct net_device_stats *el3_get_stats(struct net_device *dev);
static int el3_rx(struct net_device *dev);
......@@ -816,15 +816,16 @@ static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
/* The EL3 interrupt handler. */
static void el3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t el3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct el3_private *lp = dev_id;
struct net_device *dev = &lp->dev;
ioaddr_t ioaddr, status;
int i = 0;
int i = 0, handled = 1;
if (!netif_device_present(dev))
return;
return IRQ_NONE;
ioaddr = dev->base_addr;
DEBUG(3, "%s: interrupt, status %4.4x.\n",
......@@ -833,9 +834,9 @@ static void el3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
spin_lock(&lp->lock);
while ((status = inw(ioaddr + EL3_STATUS)) &
(IntLatch | RxComplete | StatsFull)) {
if (!netif_device_present(dev) ||
((status & 0xe000) != 0x2000)) {
if ((status & 0xe000) != 0x2000) {
DEBUG(1, "%s: interrupt from dead card\n", dev->name);
handled = 0;
break;
}
......@@ -897,7 +898,7 @@ static void el3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
spin_unlock(&lp->lock);
DEBUG(3, "%s: exiting interrupt, status %4.4x.\n",
dev->name, inw(ioaddr + EL3_STATUS));
return;
return IRQ_RETVAL(handled);
}
static void media_check(unsigned long arg)
......
drivers/net/pcmcia/fmvj18x_cs.c
View file @ 6d9d6796
......@@ -107,7 +107,7 @@ static int fjn_config(struct net_device *dev, struct ifmap *map);
static int fjn_open(struct net_device *dev);
static int fjn_close(struct net_device *dev);
static int fjn_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void fjn_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static irqreturn_t fjn_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static void fjn_rx(struct net_device *dev);
static void fjn_reset(struct net_device *dev);
static struct net_device_stats *fjn_get_stats(struct net_device *dev);
......@@ -845,7 +845,7 @@ module_exit(exit_fmvj18x_cs);
/*====================================================================*/
static void fjn_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t fjn_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
local_info_t *lp = dev_id;
struct net_device *dev = &lp->dev;
......@@ -855,7 +855,7 @@ static void fjn_interrupt(int irq, void *dev_id, struct pt_regs *regs)
if (lp == NULL) {
printk(KERN_NOTICE "fjn_interrupt(): irq %d for "
"unknown device.\n", irq);
return;
return IRQ_NONE;
}
ioaddr = dev->base_addr;
......@@ -899,6 +899,7 @@ static void fjn_interrupt(int irq, void *dev_id, struct pt_regs *regs)
outb(D_TX_INTR, ioaddr + TX_INTR);
outb(D_RX_INTR, ioaddr + RX_INTR);
return IRQ_HANDLED;
} /* fjn_interrupt */
......
drivers/net/pcmcia/ibmtr_cs.c
View file @ 6d9d6796
......@@ -127,7 +127,7 @@ static dev_link_t *dev_list;
extern int ibmtr_probe(struct net_device *dev);
extern int trdev_init(struct net_device *dev);
extern void tok_interrupt (int irq, void *dev_id, struct pt_regs *regs);
extern irqreturn_t tok_interrupt (int irq, void *dev_id, struct pt_regs *regs);
/*====================================================================*/
......
drivers/net/pcmcia/nmclan_cs.c
View file @ 6d9d6796
......@@ -431,7 +431,7 @@ static int mace_open(struct net_device *dev);
static int mace_close(struct net_device *dev);
static int mace_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void mace_tx_timeout(struct net_device *dev);
static void mace_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static irqreturn_t mace_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static struct net_device_stats *mace_get_stats(struct net_device *dev);
static int mace_rx(struct net_device *dev, unsigned char RxCnt);
static void restore_multicast_list(struct net_device *dev);
......@@ -1143,7 +1143,7 @@ static int mace_start_xmit(struct sk_buff *skb, struct net_device *dev)
mace_interrupt
The interrupt handler.
---------------------------------------------------------------------------- */
static void mace_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t mace_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
mace_private *lp = (mace_private *)dev_id;
struct net_device *dev = &lp->dev;
......@@ -1154,7 +1154,7 @@ static void mace_interrupt(int irq, void *dev_id, struct pt_regs *regs)
if (dev == NULL) {
DEBUG(2, "mace_interrupt(): irq 0x%X for unknown device.\n",
irq);
return;
return IRQ_NONE;
}
if (lp->tx_irq_disabled) {
......@@ -1169,12 +1169,12 @@ static void mace_interrupt(int irq, void *dev_id, struct pt_regs *regs)
inb(ioaddr + AM2150_MACE_BASE + MACE_IMR)
);
/* WARNING: MACE_IR has been read! */
return;
return IRQ_NONE;
}
if (!netif_device_present(dev)) {
DEBUG(2, "%s: interrupt from dead card\n", dev->name);
goto exception;
return IRQ_NONE;
}
do {
......@@ -1279,8 +1279,7 @@ static void mace_interrupt(int irq, void *dev_id, struct pt_regs *regs)
} while ((status & ~MACE_IMR_DEFAULT) && (--IntrCnt));
exception:
return;
return IRQ_HANDLED;
} /* mace_interrupt */
/* ----------------------------------------------------------------------------
......
drivers/net/pcmcia/smc91c92_cs.c
View file @ 6d9d6796
......@@ -293,7 +293,7 @@ static int smc_close(struct net_device *dev);
static int smc_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void smc_tx_timeout(struct net_device *dev);
static int smc_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void smc_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static void smc_rx(struct net_device *dev);
static struct net_device_stats *smc_get_stats(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
......@@ -1574,16 +1574,18 @@ static void smc_eph_irq(struct net_device *dev)
/*====================================================================*/
static void smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct smc_private *smc = dev_id;
struct net_device *dev = &smc->dev;
ioaddr_t ioaddr;
u_short saved_bank, saved_pointer, mask, status;
unsigned int handled = 1;
char bogus_cnt = INTR_WORK; /* Work we are willing to do. */
if (!netif_device_present(dev))
return;
return IRQ_NONE;
ioaddr = dev->base_addr;
DEBUG(3, "%s: SMC91c92 interrupt %d at %#x.\n", dev->name,
......@@ -1596,6 +1598,7 @@ static void smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
maybe it has been ejected. */
DEBUG(1, "%s: SMC91c92 interrupt %d for non-existent"
"/ejected device.\n", dev->name, irq);
handled = 0;
goto irq_done;
}
......@@ -1609,9 +1612,11 @@ static void smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
status = inw(ioaddr + INTERRUPT) & 0xff;
DEBUG(3, "%s: Status is %#2.2x (mask %#2.2x).\n", dev->name,
status, mask);
if ((status & mask) == 0)
if ((status & mask) == 0) {
if (bogus_cnt == INTR_WORK)
handled = 0;
break;
}
if (status & IM_RCV_INT) {
/* Got a packet(s). */
smc_rx(dev);
......@@ -1683,6 +1688,7 @@ static void smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
readb(smc->base+MEGAHERTZ_ISR);
}
#endif
return IRQ_RETVAL(handled);
}
/*====================================================================*/
......
drivers/net/pcmcia/xirc2ps_cs.c
View file @ 6d9d6796
......@@ -317,7 +317,7 @@ static void xirc2ps_detach(dev_link_t *);
* less on other parts of the kernel.
*/
static void xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs);
/*
* The dev_info variable is the "key" that is used to match up this
......@@ -1296,7 +1296,7 @@ xirc2ps_event(event_t event, int priority,
/****************
* This is the Interrupt service route.
*/
static void
static irqreturn_t
xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *)dev_id;
......@@ -1305,14 +1305,14 @@ xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs)
u_char saved_page;
unsigned bytes_rcvd;
unsigned int_status, eth_status, rx_status, tx_status;
unsigned rsr, pktlen;
unsigned rsr, pktlen, handled = 1;
ulong start_ticks = jiffies; /* fixme: jiffies rollover every 497 days
* is this something to worry about?
* -- on a laptop?
*/
if (!netif_device_present(dev))
return;
return IRQ_NONE;
ioaddr = dev->base_addr;
if (lp->mohawk) { /* must disable the interrupt */
......@@ -1330,6 +1330,7 @@ xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs)
loop_entry:
if (int_status == 0xff) { /* card may be ejected */
DEBUG(3, "%s: interrupt %d for dead card\n", dev->name, irq);
handled = 0;
goto leave;
}
eth_status = GetByte(XIRCREG_ESR);
......@@ -1514,6 +1515,7 @@ xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* force an interrupt with this command:
* PutByte(XIRCREG_CR, EnableIntr|ForceIntr);
*/
return IRQ_RETVAL(handled);
} /* xirc2ps_interrupt */
/*====================================================================*/
......
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