C++ (Cpp) create_irq_nr Examples

Example #1

File: irq.c Project: 12rafael/jellytimekernel

void systemasic_irq_init(void)
{
	int i, nid = cpu_to_node(boot_cpu_data);

	/* Assign all virtual IRQs to the System ASIC int. handler */
	for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++) {
		unsigned int irq;

		irq = create_irq_nr(i, nid);
		if (unlikely(irq == 0)) {
			pr_err("%s: failed hooking irq %d for systemasic\n",
			       __func__, i);
			return;
		}

		if (unlikely(irq != i)) {
			pr_err("%s: got irq %d but wanted %d, bailing.\n",
			       __func__, irq, i);
			destroy_irq(irq);
			return;
		}

		set_irq_chip_and_handler(i, &systemasic_int,
					 handle_level_irq);
	}
}

Example #2

File: hd64461.c Project: 08opt/linux

int __init setup_hd64461(void)
{
	int i, nid = cpu_to_node(boot_cpu_data);

	if (!MACH_HD64461)
		return 0;

	printk(KERN_INFO
	       "HD64461 configured at 0x%x on irq %d(mapped into %d to %d)\n",
	       HD64461_IOBASE, CONFIG_HD64461_IRQ, HD64461_IRQBASE,
	       HD64461_IRQBASE + 15);

/* Should be at processor specific part.. */
#if defined(CONFIG_CPU_SUBTYPE_SH7709)
	__raw_writew(0x2240, INTC_ICR1);
#endif
	__raw_writew(0xffff, HD64461_NIMR);

	/*  IRQ 80 -> 95 belongs to HD64461  */
	for (i = HD64461_IRQBASE; i < HD64461_IRQBASE + 16; i++) {
		unsigned int irq;

		irq = create_irq_nr(i, nid);
		if (unlikely(irq == 0)) {
			pr_err("%s: failed hooking irq %d for HD64461\n",
			       __func__, i);
			return -EBUSY;
		}

		if (unlikely(irq != i)) {
			pr_err("%s: got irq %d but wanted %d, bailing.\n",
			       __func__, irq, i);
			destroy_irq(irq);
			return -EINVAL;
		}

		irq_set_chip_and_handler(i, &hd64461_irq_chip,
					 handle_level_irq);
	}

	irq_set_chained_handler(CONFIG_HD64461_IRQ, hd64461_irq_demux);
	irq_set_irq_type(CONFIG_HD64461_IRQ, IRQ_TYPE_LEVEL_LOW);

#ifdef CONFIG_HD64461_ENABLER
	printk(KERN_INFO "HD64461: enabling PCMCIA devices\n");
	__raw_writeb(0x4c, HD64461_PCC1CSCIER);
	__raw_writeb(0x00, HD64461_PCC1CSCR);
#endif

	return 0;
}

Example #3

File: irq.c Project: Blackburn29/PsycoKernel

void __init init_se7724_IRQ(void)
{
	int i, nid = cpu_to_node(boot_cpu_data);

	__raw_writew(0xffff, IRQ0_MR);  
	__raw_writew(0xffff, IRQ1_MR);  
	__raw_writew(0xffff, IRQ2_MR);  
	__raw_writew(0x0000, IRQ0_SR);  
	__raw_writew(0x0000, IRQ1_SR);  
	__raw_writew(0x0000, IRQ2_SR);  
	__raw_writew(0x002a, IRQ_MODE); 

	for (i = 0; i < SE7724_FPGA_IRQ_NR; i++) {
		int irq, wanted;

		wanted = SE7724_FPGA_IRQ_BASE + i;

		irq = create_irq_nr(wanted, nid);
		if (unlikely(irq == 0)) {
			pr_err("%s: failed hooking irq %d for FPGA\n",
			       __func__, wanted);
			return;
		}

		if (unlikely(irq != wanted)) {
			pr_err("%s: got irq %d but wanted %d, bailing.\n",
			       __func__, irq, wanted);
			destroy_irq(irq);
			return;
		}

		irq_set_chip_and_handler_name(irq, &se7724_irq_chip,
					      handle_level_irq, "level");
	}

	irq_set_chained_handler(IRQ0_IRQ, se7724_irq_demux);
	irq_set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);

	irq_set_chained_handler(IRQ1_IRQ, se7724_irq_demux);
	irq_set_irq_type(IRQ1_IRQ, IRQ_TYPE_LEVEL_LOW);

	irq_set_chained_handler(IRQ2_IRQ, se7724_irq_demux);
	irq_set_irq_type(IRQ2_IRQ, IRQ_TYPE_LEVEL_LOW);
}

Example #4

File: uv_irq.c Project: DirtyDroidX/android_kernel_htc_m8ul

int uv_setup_irq(char *irq_name, int cpu, int mmr_blade,
		 unsigned long mmr_offset, int limit)
{
	int irq, ret;

	irq = create_irq_nr(NR_IRQS_LEGACY, uv_blade_to_memory_nid(mmr_blade));

	if (irq <= 0)
		return -EBUSY;

	ret = arch_enable_uv_irq(irq_name, irq, cpu, mmr_blade, mmr_offset,
		limit);
	if (ret == irq)
		uv_set_irq_2_mmr_info(irq, mmr_offset, mmr_blade);
	else
		destroy_irq(irq);

	return ret;
}