diff options
Diffstat (limited to 'kernel/irq/generic-chip.c')
| -rw-r--r-- | kernel/irq/generic-chip.c | 16 | 
1 files changed, 12 insertions, 4 deletions
| diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index f7086b78ad6e..c26c5bb6b491 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -135,17 +135,26 @@ void irq_gc_ack_clr_bit(struct irq_data *d)  }  /** - * irq_gc_mask_disable_reg_and_ack - Mask and ack pending interrupt + * irq_gc_mask_disable_and_ack_set - Mask and ack pending interrupt   * @d: irq_data + * + * This generic implementation of the irq_mask_ack method is for chips + * with separate enable/disable registers instead of a single mask + * register and where a pending interrupt is acknowledged by setting a + * bit. + * + * Note: This is the only permutation currently used.  Similar generic + * functions should be added here if other permutations are required.   */ -void irq_gc_mask_disable_reg_and_ack(struct irq_data *d) +void irq_gc_mask_disable_and_ack_set(struct irq_data *d)  {  	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);  	struct irq_chip_type *ct = irq_data_get_chip_type(d);  	u32 mask = d->mask;  	irq_gc_lock(gc); -	irq_reg_writel(gc, mask, ct->regs.mask); +	irq_reg_writel(gc, mask, ct->regs.disable); +	*ct->mask_cache &= ~mask;  	irq_reg_writel(gc, mask, ct->regs.ack);  	irq_gc_unlock(gc);  } @@ -322,7 +331,6 @@ int __irq_alloc_domain_generic_chips(struct irq_domain *d, int irqs_per_chip,  		/* Calc pointer to the next generic chip */  		tmp += sizeof(*gc) + num_ct * sizeof(struct irq_chip_type);  	} -	d->name = name;  	return 0;  }  EXPORT_SYMBOL_GPL(__irq_alloc_domain_generic_chips); |