[patch 06/37] cris: Convert V32 interrupt handling

Thomas Gleixner
2011-01-19T21:49:11Z

[-- Attachment #1: cris-cleanup-v32-irq.patch --]
[-- Type: text/plain, Size: 2508 bytes --]

Convert the irq chip functions and install handle_simple_irq for each
interrupt to get rid of __do_IRQ()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mikael Starvik <starvik@axis.com>
---
arch/cris/arch-v32/kernel/irq.c | 50 ++++++++++++----------------------------
1 file changed, 15 insertions(+), 35 deletions(-)

Index: linux-2.6/arch/cris/arch-v32/kernel/irq.c
===================================================================
--- linux-2.6.orig/arch/cris/arch-v32/kernel/irq.c
+++ linux-2.6/arch/cris/arch-v32/kernel/irq.c
@@ -291,54 +291,33 @@ void crisv32_unmask_irq(int irq)
}

-static unsigned int startup_crisv32_irq(unsigned int irq)
+static void enable_crisv32_irq(struct irq_data *data)
{
- crisv32_unmask_irq(irq);
- return 0;
-}
-
-static void shutdown_crisv32_irq(unsigned int irq)
-{
- crisv32_mask_irq(irq);
+ crisv32_unmask_irq(data->irq);
}

-static void enable_crisv32_irq(unsigned int irq)
+static void disable_crisv32_irq(struct irq_data *data)
{
- crisv32_unmask_irq(irq);
+ crisv32_mask_irq(data->irq);
}

-static void disable_crisv32_irq(unsigned int irq)
-{
- crisv32_mask_irq(irq);
-}
-
-static void ack_crisv32_irq(unsigned int irq)
-{
-}
-
-static void end_crisv32_irq(unsigned int irq)
-{
-}
-
-int set_affinity_crisv32_irq(unsigned int irq, const struct cpumask *dest)
+static int set_affinity_crisv32_irq(struct irq_data *data,
+ const struct cpumask *dest, bool force)
{
unsigned long flags;
+
spin_lock_irqsave(&irq_lock, flags);
- irq_allocations[irq - FIRST_IRQ].mask = *dest;
+ irq_allocations[data->irq - FIRST_IRQ].mask = *dest;
spin_unlock_irqrestore(&irq_lock, flags);
-
return 0;
}

static struct irq_chip crisv32_irq_type = {
- .name = "CRISv32",
- .startup = startup_crisv32_irq,
- .shutdown = shutdown_crisv32_irq,
- .enable = enable_crisv32_irq,
- .disable = disable_crisv32_irq,
- .ack = ack_crisv32_irq,
- .end = end_crisv32_irq,
- .set_affinity = set_affinity_crisv32_irq
+ .name = "CRISv32",
+ .irq_shutdown = disable_crisv32_irq,
+ .irq_enable = enable_crisv32_irq,
+ .irq_disable = disable_crisv32_irq,
+ .irq_set_affinity = set_affinity_crisv32_irq,
};

void
@@ -472,7 +451,8 @@ init_IRQ(void)

/* Point all IRQ's to bad handlers. */
for (i = FIRST_IRQ, j = 0; j < NR_IRQS; i++, j++) {
- irq_desc[j].chip = &crisv32_irq_type;
+ set_irq_chip_and_handler(j, &crisv32_irq_type,
+ handle_simple_irq);
set_exception_vector(i, interrupt[j]);
}