linux-imx

/*

 * IRQ chip definitions for INTC IRQs.

 *

 * Copyright (C) 2007, 2008 Magnus Damm

 * Copyright (C) 2009 - 2012 Paul Mundt

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 */

#include <linux/cpumask.h>

#include <linux/bsearch.h>

#include <linux/io.h>

#include "internals.h"

​

void _intc_enable(struct irq_data *data, unsigned long handle)

{

    unsigned int irq = data->irq;

    struct intc_desc_int *d = get_intc_desc(irq);

    unsigned long addr;

    unsigned int cpu;

​

    for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {

#ifdef CONFIG_SMP

        if (!cpumask_test_cpu(cpu, irq_data_get_affinity_mask(data)))

            continue;

#endif

        addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);

        intc_enable_fns[_INTC_MODE(handle)](addr, handle, intc_reg_fns\

                            [_INTC_FN(handle)], irq);

    }

​

    intc_balancing_enable(irq);

}

​

static void intc_enable(struct irq_data *data)

{

    _intc_enable(data, (unsigned long)irq_data_get_irq_chip_data(data));

}

​

static void intc_disable(struct irq_data *data)

{

    unsigned int irq = data->irq;

    struct intc_desc_int *d = get_intc_desc(irq);

    unsigned long handle = (unsigned long)irq_data_get_irq_chip_data(data);

    unsigned long addr;

    unsigned int cpu;

​

    intc_balancing_disable(irq);

​

    for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {

#ifdef CONFIG_SMP

        if (!cpumask_test_cpu(cpu, irq_data_get_affinity_mask(data)))

            continue;

#endif

        addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);

        intc_disable_fns[_INTC_MODE(handle)](addr, handle,intc_reg_fns\

                             [_INTC_FN(handle)], irq);

    }

}

​

#ifdef CONFIG_SMP

/*