[Patch v3 22/36] mn10300, irq: Use access helper irq_data_get_affinity_mask()

From: Jiang Liu
Date: Mon Jun 01 2015 - 04:07:30 EST


Use access helper irq_data_get_affinity_mask() to hide implementation
details of struct irq_desc.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
arch/mn10300/kernel/cevt-mn10300.c | 2 +-
arch/mn10300/kernel/irq.c | 13 +++++++------
2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/mn10300/kernel/cevt-mn10300.c b/arch/mn10300/kernel/cevt-mn10300.c
index 60f64ca1752a..326677d4a3b2 100644
--- a/arch/mn10300/kernel/cevt-mn10300.c
+++ b/arch/mn10300/kernel/cevt-mn10300.c
@@ -123,7 +123,7 @@ int __init init_clockevents(void)
{
struct irq_data *data;
data = irq_get_irq_data(cd->irq);
- cpumask_copy(data->affinity, cpumask_of(cpu));
+ cpumask_copy(irq_data_get_affinity_mask(data), cpumask_of(cpu));
iact->flags |= IRQF_NOBALANCING;
}
#endif
diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c
index 480de70f4059..c716437baa2c 100644
--- a/arch/mn10300/kernel/irq.c
+++ b/arch/mn10300/kernel/irq.c
@@ -87,7 +87,8 @@ static void mn10300_cpupic_mask_ack(struct irq_data *d)
tmp2 = GxICR(irq);

irq_affinity_online[irq] =
- cpumask_any_and(d->affinity, cpu_online_mask);
+ cpumask_any_and(irq_data_get_affinity_mask(d),
+ cpu_online_mask);
CROSS_GxICR(irq, irq_affinity_online[irq]) =
(tmp & (GxICR_LEVEL | GxICR_ENABLE)) | GxICR_DETECT;
tmp = CROSS_GxICR(irq, irq_affinity_online[irq]);
@@ -124,7 +125,7 @@ static void mn10300_cpupic_unmask_clear(struct irq_data *d)
} else {
tmp = GxICR(irq);

- irq_affinity_online[irq] = cpumask_any_and(d->affinity,
+ irq_affinity_online[irq] = cpumask_any_and(irq_data_get_affinity_mask(d),
cpu_online_mask);
CROSS_GxICR(irq, irq_affinity_online[irq]) = (tmp & GxICR_LEVEL) | GxICR_ENABLE | GxICR_DETECT;
tmp = CROSS_GxICR(irq, irq_affinity_online[irq]);
@@ -316,15 +317,16 @@ void migrate_irqs(void)
self = smp_processor_id();
for (irq = 0; irq < NR_IRQS; irq++) {
struct irq_data *data = irq_get_irq_data(irq);
+ struct cpumask *mask = irq_data_get_affinity_mask(data);

if (irqd_is_per_cpu(data))
continue;

- if (cpumask_test_cpu(self, data->affinity) &&
+ if (cpumask_test_cpu(self, mask) &&
!cpumask_intersects(&irq_affinity[irq], cpu_online_mask)) {
int cpu_id;
cpu_id = cpumask_first(cpu_online_mask);
- cpumask_set_cpu(cpu_id, data->affinity);
+ cpumask_set_cpu(cpu_id, mask);
}
/* We need to operate irq_affinity_online atomically. */
arch_local_cli_save(flags);
@@ -335,8 +337,7 @@ void migrate_irqs(void)
GxICR(irq) = x & GxICR_LEVEL;
tmp = GxICR(irq);

- new = cpumask_any_and(data->affinity,
- cpu_online_mask);
+ new = cpumask_any_and(mask, cpu_online_mask);
irq_affinity_online[irq] = new;

CROSS_GxICR(irq, new) =
--
1.7.10.4

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