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authorGary S. Robertson <gary.robertson@linaro.org>2015-12-16 20:33:52 -0600
committerGary S. Robertson <gary.robertson@linaro.org>2015-12-16 20:33:52 -0600
commit75e2d5300fc98dccb3b99031daf1081a8952a738 (patch)
treedf130108bbac39067b9ad1cbda2f4fd4116da59e /drivers/irqchip/irq-atmel-aic5.c
parentfe7e08f8621d68222f1c65599d8c8d10f0cf5164 (diff)
parent6844488aaa6b23d45106c9c3c3ba2f2ee4a612f9 (diff)
Merge tag 'lsk-v4.1-15.11' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1linux-lng-4.1.13-2015.12
LSK 15.11 v4.1 Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org> Conflicts: linaro/configs/preempt-rt.conf linaro/configs/vexpress64.conf
Diffstat (limited to 'drivers/irqchip/irq-atmel-aic5.c')
-rw-r--r--drivers/irqchip/irq-atmel-aic5.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index a2e8c3f876cb..c2c578f0b268 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -88,28 +88,36 @@ static void aic5_mask(struct irq_data *d)
{
struct irq_domain *domain = d->domain;
struct irq_domain_chip_generic *dgc = domain->gc;
- struct irq_chip_generic *gc = dgc->gc[0];
+ struct irq_chip_generic *bgc = dgc->gc[0];
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
- /* Disable interrupt on AIC5 */
- irq_gc_lock(gc);
+ /*
+ * Disable interrupt on AIC5. We always take the lock of the
+ * first irq chip as all chips share the same registers.
+ */
+ irq_gc_lock(bgc);
irq_reg_writel(gc, d->hwirq, AT91_AIC5_SSR);
irq_reg_writel(gc, 1, AT91_AIC5_IDCR);
gc->mask_cache &= ~d->mask;
- irq_gc_unlock(gc);
+ irq_gc_unlock(bgc);
}
static void aic5_unmask(struct irq_data *d)
{
struct irq_domain *domain = d->domain;
struct irq_domain_chip_generic *dgc = domain->gc;
- struct irq_chip_generic *gc = dgc->gc[0];
+ struct irq_chip_generic *bgc = dgc->gc[0];
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
- /* Enable interrupt on AIC5 */
- irq_gc_lock(gc);
+ /*
+ * Enable interrupt on AIC5. We always take the lock of the
+ * first irq chip as all chips share the same registers.
+ */
+ irq_gc_lock(bgc);
irq_reg_writel(gc, d->hwirq, AT91_AIC5_SSR);
irq_reg_writel(gc, 1, AT91_AIC5_IECR);
gc->mask_cache |= d->mask;
- irq_gc_unlock(gc);
+ irq_gc_unlock(bgc);
}
static int aic5_retrigger(struct irq_data *d)