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authorTim Anderson <tanderson@mvista.com>2009-06-18 01:21:19 +0200
committerRalf Baechle <ralf@linux-mips.org>2009-07-03 16:45:25 +0200
commit9306c8def6abc2dbde4ac75eb6c631606b8fc1dd (patch)
tree4896cca4c6b27fa42e6f51d93c0a4f86b6f6fa3e /arch/mips/kernel/irq-gic.c
parentMIPS: Define __arch_swab64 for all mips r2 cpus (diff)
downloadlinux-9306c8def6abc2dbde4ac75eb6c631606b8fc1dd.tar.xz
linux-9306c8def6abc2dbde4ac75eb6c631606b8fc1dd.zip
MIPS: CMP: Extend the GIC IPI interrupts beyond 32
This patch extends the GIC interrupt handling beyond the current 32 bit range as well as extending the number of interrupts based on the number of CPUs. Signed-off-by: Tim Anderson <tanderson@mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to '')
-rw-r--r--arch/mips/kernel/irq-gic.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index 39000f103f2c..5c85e1ce0499 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -107,9 +107,7 @@ static unsigned int gic_irq_startup(unsigned int irq)
{
pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
irq -= _irqbase;
- /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
- GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))),
- 1 << (irq % 32));
+ GIC_SET_INTR_MASK(irq, 1);
return 0;
}
@@ -120,8 +118,7 @@ static void gic_irq_ack(unsigned int irq)
#endif
pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
irq -= _irqbase;
- GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))),
- 1 << (irq % 32));
+ GIC_CLR_INTR_MASK(irq, 1);
if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) {
if (!gic_wedgeb2bok)
@@ -138,18 +135,14 @@ static void gic_mask_irq(unsigned int irq)
{
pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
irq -= _irqbase;
- /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
- GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))),
- 1 << (irq % 32));
+ GIC_CLR_INTR_MASK(irq, 1);
}
static void gic_unmask_irq(unsigned int irq)
{
pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
irq -= _irqbase;
- /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
- GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))),
- 1 << (irq % 32));
+ GIC_SET_INTR_MASK(irq, 1);
}
#ifdef CONFIG_SMP