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authorBen Dooks <ben-linux@org.rmk.(none)>2006-10-30 02:27:45 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-11-02 22:58:52 +0000
commit94c52fde553260e86f263448034930abe364faec (patch)
tree8c668d34bc291db9daf73f2b9f2e6209262424f8 /arch/arm/mach-s3c2410/gpio.c
parent73218187e8650c08d4e4735dbeeeb860f438da7c (diff)
[ARM] 3915/1: S3C2412: Add s3c2410_gpio_getirq() to general gpio.c
s3c2410_gpio_getirq() holds for the S3C2412 build, so ensure that it gets built for all the current S3C24XX architectures Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s3c2410/gpio.c')
-rw-r--r--arch/arm/mach-s3c2410/gpio.c21
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);