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
kasprintf.c
/*
* linux/lib/kasprintf.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#include <stdarg.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
/* Simplified asprintf. */
char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap)
{
unsigned int len;
char *p;
va_list aq;
va_copy(aq, ap);
len = vsnprintf(NULL, 0, fmt, aq);
va_end(aq);
p = kmalloc(len+1, gfp);
if (!p)
return NULL;
vsnprintf(p, len+1, fmt, ap);
return p;
}
EXPORT_SYMBOL(kvasprintf);
char *kasprintf(gfp_t gfp, const char *fmt, ...)
{
va_list ap;
char *p;
va_start(ap, fmt);
p = kvasprintf(gfp, fmt, ap);
va_end(ap);
return p;
}
EXPORT_SYMBOL(kasprintf);
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