X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fisdn%2Fact2000%2Fact2000_isa.c;h=09ea50dd3459d536a6a4f9414f6a56a8be3f2758;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=bc98d77c5ecdc0f8179bceccfd1f544832008b97;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/isdn/act2000/act2000_isa.c b/drivers/isdn/act2000/act2000_isa.c index bc98d77c5..09ea50dd3 100644 --- a/drivers/isdn/act2000/act2000_isa.c +++ b/drivers/isdn/act2000/act2000_isa.c @@ -16,8 +16,6 @@ #include "act2000_isa.h" #include "capi.h" -static act2000_card *irq2card_map[16]; - /* * Reset Controller, then try to read the Card's signature. + Return: @@ -63,16 +61,11 @@ act2000_isa_detect(unsigned short portbase) } static irqreturn_t -act2000_isa_interrupt(int irq, void *dev_id, struct pt_regs *regs) +act2000_isa_interrupt(int irq, void *dev_id) { - act2000_card *card = irq2card_map[irq]; + act2000_card *card = dev_id; u_char istatus; - if (!card) { - printk(KERN_WARNING - "act2000: Spurious interrupt!\n"); - return IRQ_NONE; - } istatus = (inb(ISA_PORT_ISR) & 0x07); if (istatus & ISA_ISR_OUT) { /* RX fifo has data */ @@ -139,17 +132,15 @@ int act2000_isa_config_irq(act2000_card * card, short irq) { if (card->flags & ACT2000_FLAGS_IVALID) { - free_irq(card->irq, NULL); - irq2card_map[card->irq] = NULL; + free_irq(card->irq, card); } card->flags &= ~ACT2000_FLAGS_IVALID; outb(ISA_COR_IRQOFF, ISA_PORT_COR); if (!irq) return 0; - if (!request_irq(irq, &act2000_isa_interrupt, 0, card->regname, NULL)) { + if (!request_irq(irq, &act2000_isa_interrupt, 0, card->regname, card)) { card->irq = irq; - irq2card_map[card->irq] = card; card->flags |= ACT2000_FLAGS_IVALID; printk(KERN_WARNING "act2000: Could not request irq %d\n",irq); @@ -188,10 +179,9 @@ act2000_isa_release(act2000_card * card) unsigned long flags; spin_lock_irqsave(&card->lock, flags); - if (card->flags & ACT2000_FLAGS_IVALID) { - free_irq(card->irq, NULL); - irq2card_map[card->irq] = NULL; - } + if (card->flags & ACT2000_FLAGS_IVALID) + free_irq(card->irq, card); + card->flags &= ~ACT2000_FLAGS_IVALID; if (card->flags & ACT2000_FLAGS_PVALID) release_region(card->port, ISA_REGION); @@ -418,7 +408,7 @@ act2000_isa_download(act2000_card * card, act2000_ddef __user * cb) p = cblock.buffer; if (!access_ok(VERIFY_READ, p, length)) return -EFAULT; - buf = (u_char *) kmalloc(1024, GFP_KERNEL); + buf = kmalloc(1024, GFP_KERNEL); if (!buf) return -ENOMEM; timeout = 0;