linux/arch/arm/mach-imx/irq-common.c
Alexander Shiyan d1e1c31ccd ARM: i.MX: Fix FIQ interrupt handling for TZIC
IRQ number should be translated from VIRQ to HWIRQ for TZIC.
As a solution for this issue, move existing translation code
from AVIC to common place.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2016-06-21 15:57:05 +08:00

45 lines
1.3 KiB
C

/*
* Copyright (C) BitBox Ltd 2010
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <linux/module.h>
#include <linux/irq.h>
#include <linux/platform_data/asoc-imx-ssi.h>
#include "irq-common.h"
int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
{
struct irq_chip_generic *gc;
struct mxc_extra_irq *exirq;
int ret;
ret = -ENOSYS;
gc = irq_get_chip_data(irq);
if (gc && gc->private) {
exirq = gc->private;
if (exirq->set_irq_fiq) {
struct irq_data *d = irq_get_irq_data(irq);
ret = exirq->set_irq_fiq(irqd_to_hwirq(d), type);
}
}
return ret;
}
EXPORT_SYMBOL(mxc_set_irq_fiq);