linux-imx

/*

 * Copyright (C) 2002 ARM Limited, All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

​

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/irq.h>

#include <linux/irqchip/arm-gic.h>

​

#include "irq-gic-common.h"

​

static DEFINE_RAW_SPINLOCK(irq_controller_lock);

​

static const struct gic_kvm_info *gic_kvm_info;

​

const struct gic_kvm_info *gic_get_kvm_info(void)

{

    return gic_kvm_info;

}

​

void gic_set_kvm_info(const struct gic_kvm_info *info)

{

    BUG_ON(gic_kvm_info != NULL);

    gic_kvm_info = info;

}

​

void gic_enable_of_quirks(const struct device_node *np,

              const struct gic_quirk *quirks, void *data)

{

    for (; quirks->desc; quirks++) {

        if (!of_device_is_compatible(np, quirks->compatible))

            continue;

        if (quirks->init(data))

            pr_info("GIC: enabling workaround for %s\n",

                quirks->desc);

    }

}

​

void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks,

        void *data)

{

    for (; quirks->desc; quirks++) {

        if (quirks->iidr != (quirks->mask & iidr))

            continue;

        if (quirks->init(data))

            pr_info("GIC: enabling workaround for %s\n",

                quirks->desc);

    }

}

​

int gic_configure_irq(unsigned int irq, unsigned int type,