static void enable_local0_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
/* don't allow mappable interrupt to be enabled from setup_irq,
* we have our own way to do so */
if (irq != SGI_MAP_0_IRQ)
sgint->imask0 |= (1 << (irq - SGINT_LOCAL0));
- local_irq_restore(flags);
-}
-
-static unsigned int startup_local0_irq(unsigned int irq)
-{
- enable_local0_irq(irq);
- return 0; /* Never anything pending */
}
static void disable_local0_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
sgint->imask0 &= ~(1 << (irq - SGINT_LOCAL0));
- local_irq_restore(flags);
-}
-
-#define shutdown_local0_irq disable_local0_irq
-#define mask_and_ack_local0_irq disable_local0_irq
-
-static void end_local0_irq (unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_local0_irq(irq);
}
static struct irq_chip ip22_local0_irq_type = {
.typename = "IP22 local 0",
- .startup = startup_local0_irq,
- .shutdown = shutdown_local0_irq,
- .enable = enable_local0_irq,
- .disable = disable_local0_irq,
- .ack = mask_and_ack_local0_irq,
- .end = end_local0_irq,
+ .ack = disable_local0_irq,
+ .mask = disable_local0_irq,
+ .mask_ack = disable_local0_irq,
+ .unmask = enable_local0_irq,
};
static void enable_local1_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
/* don't allow mappable interrupt to be enabled from setup_irq,
* we have our own way to do so */
if (irq != SGI_MAP_1_IRQ)
sgint->imask1 |= (1 << (irq - SGINT_LOCAL1));
- local_irq_restore(flags);
-}
-
-static unsigned int startup_local1_irq(unsigned int irq)
-{
- enable_local1_irq(irq);
- return 0; /* Never anything pending */
}
void disable_local1_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1));
- local_irq_restore(flags);
-}
-
-#define shutdown_local1_irq disable_local1_irq
-#define mask_and_ack_local1_irq disable_local1_irq
-
-static void end_local1_irq (unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_local1_irq(irq);
}
static struct irq_chip ip22_local1_irq_type = {
.typename = "IP22 local 1",
- .startup = startup_local1_irq,
- .shutdown = shutdown_local1_irq,
- .enable = enable_local1_irq,
- .disable = disable_local1_irq,
- .ack = mask_and_ack_local1_irq,
- .end = end_local1_irq,
+ .ack = disable_local1_irq,
+ .mask = disable_local1_irq,
+ .mask_ack = disable_local1_irq,
+ .unmask = enable_local1_irq,
};
static void enable_local2_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
sgint->imask0 |= (1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
sgint->cmeimask0 |= (1 << (irq - SGINT_LOCAL2));
- local_irq_restore(flags);
-}
-
-static unsigned int startup_local2_irq(unsigned int irq)
-{
- enable_local2_irq(irq);
- return 0; /* Never anything pending */
}
void disable_local2_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
sgint->cmeimask0 &= ~(1 << (irq - SGINT_LOCAL2));
if (!sgint->cmeimask0)
sgint->imask0 &= ~(1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
- local_irq_restore(flags);
-}
-
-#define shutdown_local2_irq disable_local2_irq
-#define mask_and_ack_local2_irq disable_local2_irq
-
-static void end_local2_irq (unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_local2_irq(irq);
}
static struct irq_chip ip22_local2_irq_type = {
.typename = "IP22 local 2",
- .startup = startup_local2_irq,
- .shutdown = shutdown_local2_irq,
- .enable = enable_local2_irq,
- .disable = disable_local2_irq,
- .ack = mask_and_ack_local2_irq,
- .end = end_local2_irq,
+ .ack = disable_local2_irq,
+ .mask = disable_local2_irq,
+ .mask_ack = disable_local2_irq,
+ .unmask = enable_local2_irq,
};
static void enable_local3_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
sgint->imask1 |= (1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
sgint->cmeimask1 |= (1 << (irq - SGINT_LOCAL3));
- local_irq_restore(flags);
-}
-
-static unsigned int startup_local3_irq(unsigned int irq)
-{
- enable_local3_irq(irq);
- return 0; /* Never anything pending */
}
void disable_local3_irq(unsigned int irq)
{
- unsigned long flags;
-
- local_irq_save(flags);
sgint->cmeimask1 &= ~(1 << (irq - SGINT_LOCAL3));
if (!sgint->cmeimask1)
sgint->imask1 &= ~(1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
- local_irq_restore(flags);
-}
-
-#define shutdown_local3_irq disable_local3_irq
-#define mask_and_ack_local3_irq disable_local3_irq
-
-static void end_local3_irq (unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_local3_irq(irq);
}
static struct irq_chip ip22_local3_irq_type = {
.typename = "IP22 local 3",
- .startup = startup_local3_irq,
- .shutdown = shutdown_local3_irq,
- .enable = enable_local3_irq,
- .disable = disable_local3_irq,
- .ack = mask_and_ack_local3_irq,
- .end = end_local3_irq,
+ .ack = disable_local3_irq,
+ .mask = disable_local3_irq,
+ .mask_ack = disable_local3_irq,
+ .unmask = enable_local3_irq,
};
-static void indy_local0_irqdispatch(struct pt_regs *regs)
+static void indy_local0_irqdispatch(void)
{
u8 mask = sgint->istat0 & sgint->imask0;
u8 mask2;
/* if irq == 0, then the interrupt has already been cleared */
if (irq)
- do_IRQ(irq, regs);
- return;
+ do_IRQ(irq);
}
-static void indy_local1_irqdispatch(struct pt_regs *regs)
+static void indy_local1_irqdispatch(void)
{
u8 mask = sgint->istat1 & sgint->imask1;
u8 mask2;
/* if irq == 0, then the interrupt has already been cleared */
if (irq)
- do_IRQ(irq, regs);
- return;
+ do_IRQ(irq);
}
-extern void ip22_be_interrupt(int irq, struct pt_regs *regs);
+extern void ip22_be_interrupt(int irq);
-static void indy_buserror_irq(struct pt_regs *regs)
+static void indy_buserror_irq(void)
{
int irq = SGI_BUSERR_IRQ;
irq_enter();
kstat_this_cpu.irqs[irq]++;
- ip22_be_interrupt(irq, regs);
+ ip22_be_interrupt(irq);
irq_exit();
}
#define SGI_INTERRUPTS SGINT_LOCAL3
#endif
-extern void indy_r4k_timer_interrupt(struct pt_regs *regs);
-extern void indy_8254timer_irq(struct pt_regs *regs);
+extern void indy_r4k_timer_interrupt(void);
+extern void indy_8254timer_irq(void);
/*
* IRQs on the INDY look basically (barring software IRQs which we don't use
* another exception, big deal.
*/
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_cause();
* First we check for r4k counter/timer IRQ.
*/
if (pending & CAUSEF_IP7)
- indy_r4k_timer_interrupt(regs);
+ indy_r4k_timer_interrupt();
else if (pending & CAUSEF_IP2)
- indy_local0_irqdispatch(regs);
+ indy_local0_irqdispatch();
else if (pending & CAUSEF_IP3)
- indy_local1_irqdispatch(regs);
+ indy_local1_irqdispatch();
else if (pending & CAUSEF_IP6)
- indy_buserror_irq(regs);
+ indy_buserror_irq();
else if (pending & (CAUSEF_IP4 | CAUSEF_IP5))
- indy_8254timer_irq(regs);
+ indy_8254timer_irq();
}
extern void mips_cpu_irq_init(unsigned int irq_base);
else
handler = &ip22_local3_irq_type;
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = handler;
+ set_irq_chip_and_handler(i, handler, handle_level_irq);
}
/* vector handler. this register the IRQ as non-sharable */
git://git.onelab.eu / linux-2.6.git / blobdiff