static void do_8259A_IRQ(unsigned int irq, struct pt_regs * regs)
{
struct irqServer * iServer;
struct irqDescriptor *desc = &irq_desc[irq];
{
unsigned int status;
mask_and_ack_8259A(irq);
status = desc->id_status & ~(IRQ_REPLAY | IRQ_WAITING);
iServer = NULL;
if (!(status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
iServer = desc->id_server;
status |= IRQ_INPROGRESS;
}
desc->id_status = status;
}
/* Exit early if we had no action or it was disabled */
if (!iServer)
return;
handle_IRQ_event(irq, regs, iServer);
{
unsigned int status = desc->id_status & ~IRQ_INPROGRESS;
desc->id_status = status;
if (!(status & IRQ_DISABLED))
enable_8259A_irq(irq);
}
}
static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq)
{
TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_MASK,
"irq=%d\n", irq);
if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG
|| irq > TOSHIBA_RBTX4927_IRQ_ISA_END) {
TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
"bad irq=%d\n", irq);
panic("\n");
}
mask_and_ack_8259A(irq);
}
static void ack_i8259_irq(unsigned int irq)
{
mask_and_ack_8259A(irq - I8259_IRQ_BASE);
}
