From cdc3f10630ecddb7870e087ff9679eef3d7b4e21 Mon Sep 17 00:00:00 2001 From: Peter Horton Date: Mon, 6 Dec 2010 11:37:38 +0000 Subject: mx51: support FIQ on TZIC, revised Add support for FIQ on mx51 TZIC TZIC changes tested with FIQ audio on an mx51 board AVIC changes build with mx3_defconfig, not tested Signed-off-by: Peter Horton Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/irq-common.c | 60 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 arch/arm/plat-mxc/irq-common.c (limited to 'arch/arm/plat-mxc/irq-common.c') diff --git a/arch/arm/plat-mxc/irq-common.c b/arch/arm/plat-mxc/irq-common.c new file mode 100644 index 00000000000..0c799ac2773 --- /dev/null +++ b/arch/arm/plat-mxc/irq-common.c @@ -0,0 +1,60 @@ +/* + * 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 +#include + +#include "irq-common.h" + +int imx_irq_set_priority(unsigned char irq, unsigned char prio) +{ + struct mxc_irq_chip *chip; + struct irq_chip *base; + int ret; + + ret = -ENOSYS; + + base = get_irq_chip(irq); + if (base) { + chip = container_of(base, struct mxc_irq_chip, base); + if (chip->set_priority) + ret = chip->set_priority(irq, prio); + } + + return ret; +} +EXPORT_SYMBOL(imx_irq_set_priority); + +int mxc_set_irq_fiq(unsigned int irq, unsigned int type) +{ + struct mxc_irq_chip *chip; + struct irq_chip *base; + int ret; + + ret = -ENOSYS; + + base = get_irq_chip(irq); + if (base) { + chip = container_of(base, struct mxc_irq_chip, base); + if (chip->set_irq_fiq) + ret = chip->set_irq_fiq(irq, type); + } + + return ret; +} +EXPORT_SYMBOL(mxc_set_irq_fiq); -- cgit v1.2.3-70-g09d2