drivers/net: use nr_irqs

[cascardo/linux.git] / drivers / net / hamradio / scc.c

diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 353d13e..c17e39b 100644 (file)
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -201,7 +201,6 @@ static void z8530_init(void);
 
 static void init_channel(struct scc_channel *scc);
 static void scc_key_trx (struct scc_channel *scc, char tx);
-static irqreturn_t scc_isr(int irq, void *dev_id);
 static void scc_init_timer(struct scc_channel *scc);
 
 static int scc_net_alloc(const char *name, struct scc_channel *scc);
@@ -629,6 +628,7 @@ static void scc_isr_dispatch(struct scc_channel *scc, int vector)
 
 static irqreturn_t scc_isr(int irq, void *dev_id)
 {
+       int chip_irq = (long) dev_id;
        unsigned char vector;   
        struct scc_channel *scc;
        struct scc_ctrl *ctrl;
@@ -665,7 +665,7 @@ static irqreturn_t scc_isr(int irq, void *dev_id)
        ctrl = SCC_ctrl;
        while (ctrl->chan_A)
        {
-               if (ctrl->irq != irq)
+               if (ctrl->irq != chip_irq)
                {
                        ctrl++;
                        continue;
@@ -1340,9 +1340,10 @@ static unsigned int scc_set_param(struct scc_channel *scc, unsigned int cmd, uns
                case PARAM_RTS: 
                        if ( !(scc->wreg[R5] & RTS) )
                        {
-                               if (arg != TX_OFF)
+                               if (arg != TX_OFF) {
                                        scc_key_trx(scc, TX_ON);
                                        scc_start_tx_timer(scc, t_txdelay, scc->kiss.txdelay);
+                               }
                        } else {
                                if (arg == TX_OFF)
                                {
@@ -1464,7 +1465,7 @@ static void z8530_init(void)
        printk(KERN_INFO "Init Z8530 driver: %u channels, IRQ", Nchips*2);
        
        flag=" ";
-       for (k = 0; k < NR_IRQS; k++)
+       for (k = 0; k < nr_irqs; k++)
                if (Ivec[k].used) 
                {
                        printk("%s%d", flag, k);
@@ -1727,12 +1728,14 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 
                        if (hwcfg.irq == 2) hwcfg.irq = 9;
 
-                       if (hwcfg.irq < 0 || hwcfg.irq >= NR_IRQS)
+                       if (hwcfg.irq < 0 || hwcfg.irq >= nr_irqs)
                                return -EINVAL;
                                
                        if (!Ivec[hwcfg.irq].used && hwcfg.irq)
                        {
-                               if (request_irq(hwcfg.irq, scc_isr, IRQF_DISABLED, "AX.25 SCC", NULL))
+                               if (request_irq(hwcfg.irq, scc_isr,
+                                               IRQF_DISABLED, "AX.25 SCC",
+                                               (void *)(long) hwcfg.irq))
                                        printk(KERN_WARNING "z8530drv: warning, cannot get IRQ %d\n", hwcfg.irq);
                                else
                                        Ivec[hwcfg.irq].used = 1;
@@ -2145,7 +2148,7 @@ static void __exit scc_cleanup_driver(void)
                }
                
        /* To unload the port must be closed so no real IRQ pending */
-       for (k=0; k < NR_IRQS ; k++)
+       for (k = 0; k < nr_irqs ; k++)
                if (Ivec[k].used) free_irq(k, NULL);
                
        local_irq_enable();