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Make irq init function a weak function

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3031 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-10-17 17:41:28 +00:00
parent d872538195
commit 89916e830f
2 changed files with 7 additions and 2 deletions
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2
arch/avr/src/at91uc3/at91uc3_internal.h
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@ -277,7 +277,7 @@ EXTERN bool at91uc3_gpioread(uint16_t pinset);
****************************************************************************/
#ifdef CONFIG_AVR32_GPIOIRQ
EXTERN void gpio_irqinitialize(void);
EXTERN void weak_function gpio_irqinitialize(void);
#endif
/****************************************************************************

7
arch/avr/src/at91uc3/at91uc3_irq.c
View file

@ -230,7 +230,12 @@ void up_irqinitialize(void)
/* Initialize GPIO interrupt facilities */
#ifdef CONFIG_AVR32_GPIOIRQ
gpio_irqinitialize();
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
if (gpio_irqinitialize != NULL)
#endif
{
gpio_irqinitialize();
}
#endif
/* And finally, enable interrupts */