IRQ_F_EDGE
if (irqmap->flags & IRQ_F_EDGE)
{ "pci perr", GDIUM_IRQ_PCI_PERR, IRQ_F_EDGE|IRQ_F_INT1 },
{ "pci serr", GDIUM_IRQ_PCI_SERR, IRQ_F_EDGE|IRQ_F_INT1 },
if (irqmap->flags & IRQ_F_EDGE)
{ "pci perr", LOONGSON_INTR_PCI_PARERR, IRQ_F_EDGE|IRQ_F_INT1 },
{ "pci serr", LOONGSON_INTR_PCI_SYSERR, IRQ_F_EDGE|IRQ_F_INT1 },