[MIPS] IP32: Enable PCI bridges
[linux-2.6.git] / arch / mips / jazz / irq.c
index d5bd6b3a09335b5bdfbe6fda8b60df2de0bdc24d..015cf4bb51ddb4ab3fd92928e460df07d9509aff 100644 (file)
@@ -28,14 +28,6 @@ static void enable_r4030_irq(unsigned int irq)
        spin_unlock_irqrestore(&r4030_lock, flags);
 }
 
-static unsigned int startup_r4030_irq(unsigned int irq)
-{
-       enable_r4030_irq(irq);
-       return 0; /* never anything pending */
-}
-
-#define shutdown_r4030_irq     disable_r4030_irq
-
 void disable_r4030_irq(unsigned int irq)
 {
        unsigned int mask = ~(1 << (irq - JAZZ_PARALLEL_IRQ));
@@ -47,34 +39,20 @@ void disable_r4030_irq(unsigned int irq)
        spin_unlock_irqrestore(&r4030_lock, flags);
 }
 
-#define mask_and_ack_r4030_irq disable_r4030_irq
-
-static void end_r4030_irq(unsigned int irq)
-{
-       if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-               enable_r4030_irq(irq);
-}
-
 static struct irq_chip r4030_irq_type = {
-       .typename = "R4030",
-       .startup = startup_r4030_irq,
-       .shutdown = shutdown_r4030_irq,
-       .enable = enable_r4030_irq,
-       .disable = disable_r4030_irq,
-       .ack = mask_and_ack_r4030_irq,
-       .end = end_r4030_irq,
+       .name = "R4030",
+       .ack = disable_r4030_irq,
+       .mask = disable_r4030_irq,
+       .mask_ack = disable_r4030_irq,
+       .unmask = enable_r4030_irq,
 };
 
 void __init init_r4030_ints(void)
 {
        int i;
 
-       for (i = JAZZ_PARALLEL_IRQ; i <= JAZZ_TIMER_IRQ; i++) {
-               irq_desc[i].status     = IRQ_DISABLED;
-               irq_desc[i].action     = 0;
-               irq_desc[i].depth      = 1;
-               irq_desc[i].chip    = &r4030_irq_type;
-       }
+       for (i = JAZZ_PARALLEL_IRQ; i <= JAZZ_TIMER_IRQ; i++)
+               set_irq_chip_and_handler(i, &r4030_irq_type, handle_level_irq);
 
        r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, 0);
        r4030_read_reg16(JAZZ_IO_IRQ_SOURCE);           /* clear pending IRQs */
@@ -144,7 +122,7 @@ static void ll_local_dev(void)
 
 asmlinkage void plat_irq_dispatch(void)
 {
-       unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
+       unsigned int pending = read_c0_cause() & read_c0_status();
 
        if (pending & IE_IRQ5)
                write_c0_compare(0);