LXR linux/arch/arm/plat-mxc/irq-common.c

   1/*
   2 * Copyright (C) BitBox Ltd 2010
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License
   6 * as published by the Free Software Foundation; either version 2
   7 * of the License, or (at your option) any later version.
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program; if not, write to the Free Software
  15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  16 * MA  02110-1301, USA.
  17 */
  18
  19#include <linux/module.h>
  20#include <linux/irq.h>
  21
  22#include "irq-common.h"
  23
  24int imx_irq_set_priority(unsigned char irq, unsigned char prio)
  25{
  26        struct mxc_irq_chip *chip;
  27        struct irq_chip *base;
  28        int ret;
  29
  30        ret = -ENOSYS;
  31
  32        base = get_irq_chip(irq);
  33        if (base) {
  34                chip = container_of(base, struct mxc_irq_chip, base);
  35                if (chip->set_priority)
  36                        ret = chip->set_priority(irq, prio);
  37        }
  38
  39        return ret;
  40}
  41EXPORT_SYMBOL(imx_irq_set_priority);
  42
  43int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
  44{
  45        struct mxc_irq_chip *chip;
  46        struct irq_chip *base;
  47        int ret;
  48
  49        ret = -ENOSYS;
  50
  51        base = get_irq_chip(irq);
  52        if (base) {
  53                chip = container_of(base, struct mxc_irq_chip, base);
  54                if (chip->set_irq_fiq)
  55                        ret = chip->set_irq_fiq(irq, type);
  56        }
  57
  58        return ret;
  59}
  60EXPORT_SYMBOL(mxc_set_irq_fiq);
  61