arch/arm/mach-imx/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 #include <linux/platform_data/asoc-imx-ssi.h>
  22
  23 #include "irq-common.h"
  24
  25 int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
  26 {
  27         struct irq_chip_generic *gc;
  28         struct mxc_extra_irq *exirq;
  29         int ret;
  30
  31         ret = -ENOSYS;
  32
  33         gc = irq_get_chip_data(irq);
  34         if (gc && gc->private) {
  35                 exirq = gc->private;
  36                 if (exirq->set_irq_fiq) {
  37                         struct irq_data *d = irq_get_irq_data(irq);
  38                         ret = exirq->set_irq_fiq(irqd_to_hwirq(d), type);
  39                 }
  40         }
  41
  42         return ret;
  43 }
  44 EXPORT_SYMBOL(mxc_set_irq_fiq);