ixp2000_reg_write(IXP2000_PCI_XSCALE_INT_ENABLE, (temp & ~(1 << 26))); 
ixp2000_reg_wrb(IXP2000_PCI_XSCALE_INT_ENABLE, (temp & ~(1 << 26))); 
static void ixp2000_pci_irq_mask(unsigned int irq){	unsigned long temp = *IXP2000_PCI_XSCALE_INT_ENABLE;	if (irq == IRQ_IXP2000_PCIA)		ixp2000_reg_write(IXP2000_PCI_XSCALE_INT_ENABLE, (temp & ~(1 << 26)));	else if (irq == IRQ_IXP2000_PCIB)		ixp2000_reg_write(IXP2000_PCI_XSCALE_INT_ENABLE, (temp & ~(1 << 27)));}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/e9b72e43d96a1ea2be0f513c78f16743a835d252/core.c/clean/arch/arm/mach-ixp2000/core.c