/* linux/arch/arm/mach-s3c2400/gpio.c * * Copyright (c) 2006 Lucas Correia Villa Real * * S3C2400 GPIO support * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include int s3c2400_gpio_getirq(unsigned int pin) { if (pin < S3C2410_GPE(0) || pin > S3C2400_GPE(7)) return -EINVAL; /* not valid interrupts */ return (pin - S3C2410_GPE(0)) + IRQ_EINT0; } EXPORT_SYMBOL(s3c2400_gpio_getirq);