diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-12-01 09:56:43 +0000 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2006-12-01 09:56:43 +0000 |
commit | bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb (patch) | |
tree | 3f56594e813c6f35cbacbdb3e137ba5bfd0b3069 /arch/arm/mach-s3c2410/gpio.c | |
parent | 6c33cafc794d07c9254c160789120a0e98c088c9 (diff) | |
parent | 0215ffb08ce99e2bb59eca114a99499a4d06e704 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/mach-s3c2410/gpio.c')
-rw-r--r-- | arch/arm/mach-s3c2410/gpio.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index db6393c9986..ba346546150 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -3,7 +3,7 @@ * Copyright (c) 2004-2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * - * S3C2410 GPIO support + * S3C24XX 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 @@ -163,3 +163,22 @@ unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) } EXPORT_SYMBOL(s3c2410_modify_misccr); + +int s3c2410_gpio_getirq(unsigned int pin) +{ + if (pin < S3C2410_GPF0 || pin > S3C2410_GPG15) + return -1; /* not valid interrupts */ + + if (pin < S3C2410_GPG0 && pin > S3C2410_GPF7) + return -1; /* not valid pin */ + + if (pin < S3C2410_GPF4) + return (pin - S3C2410_GPF0) + IRQ_EINT0; + + if (pin < S3C2410_GPG0) + return (pin - S3C2410_GPF4) + IRQ_EINT4; + + return (pin - S3C2410_GPG0) + IRQ_EINT8; +} + +EXPORT_SYMBOL(s3c2410_gpio_getirq); |