Revision 558a5e296a02266ef43d6e933ee35df9976de987 authored by Dmitry Eremin-Solenikov on 03 November 2009, 06:04:18 UTC, committed by Dmitry Torokhov on 03 November 2009, 06:12:37 UTC
There is nothing that disallows gpio-keys to share it's IRQ line w/ other drivers. Make it use IRQF_SHARED in request_irq(). An example of other driver with which I'd like to share IRQ line for GPIO buttons is ledtrig-gpio. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
1 parent 0baa3de
gcd.c
#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/module.h>
/* Greatest common divisor */
unsigned long gcd(unsigned long a, unsigned long b)
{
unsigned long r;
if (a < b)
swap(a, b);
while ((r = a % b) != 0) {
a = b;
b = r;
}
return b;
}
EXPORT_SYMBOL_GPL(gcd);
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