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authorThomas Gleixner <tglx@linutronix.de>2015-09-22 15:56:46 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-09-22 15:56:46 +0200
commitf94f87ab1a04629699ec1e2408dae8f3acee5dc4 (patch)
tree9e8641aec4a87dcfe40244fc357743ad1dbf39e4 /drivers/irqchip
parentirqchip/gic: Document optional Clock and Power Domain properties (diff)
parentirqchip/atmel-aic5: Use per chip mask caches in mask/unmask() (diff)
downloadlinux-f94f87ab1a04629699ec1e2408dae8f3acee5dc4.tar.xz
linux-f94f87ab1a04629699ec1e2408dae8f3acee5dc4.zip
Merge branch 'irq/urgent' into irq/core
Get the urgent bugfix for aic5 as further patches depend on it.
Diffstat (limited to 'drivers/irqchip')
-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 9da9942ac83c..f6d680485bee 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)