ixp2000_reg_write(IXP2000_GPIO_INCR, (1 << (irq - IRQ_IXP2000_GPIO0))); 
ixp2000_reg_wrb(IXP2000_GPIO_INCR, (1 << (irq - IRQ_IXP2000_GPIO0))); 
static void ixp2000_GPIO_irq_mask(unsigned int irq){	ixp2000_reg_write(IXP2000_GPIO_INCR, (1 << (irq - IRQ_IXP2000_GPIO0)));}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/e9b72e43d96a1ea2be0f513c78f16743a835d252/core.c/clean/arch/arm/mach-ixp2000/core.c