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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-09-22 16:56:46 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-09-22 16:56:46 +0300 |
| commit | f94f87ab1a04629699ec1e2408dae8f3acee5dc4 (patch) | |
| tree | 9e8641aec4a87dcfe40244fc357743ad1dbf39e4 | |
| parent | afbbd23381767aec5717ce07736f3a165ef724cd (diff) | |
| parent | d32dc9aa10c739363c775baf4499416b2e0dc11f (diff) | |
| download | linux-f94f87ab1a04629699ec1e2408dae8f3acee5dc4.tar.xz | |
Merge branch 'irq/urgent' into irq/core
Get the urgent bugfix for aic5 as further patches depend on it.
| -rw-r--r-- | drivers/irqchip/irq-atmel-aic5.c | 24 |
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) |