diff options
Diffstat (limited to 'kernel/irq/irqdesc.c')
| -rw-r--r-- | kernel/irq/irqdesc.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 49b54e9979cc..afc7f902d74a 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -1,10 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar * Copyright (C) 2005-2006, Thomas Gleixner, Russell King * - * This file contains the interrupt descriptor management code - * - * Detailed information is available in Documentation/core-api/genericirq.rst + * This file contains the interrupt descriptor management code. Detailed + * information is available in Documentation/core-api/genericirq.rst * */ #include <linux/irq.h> @@ -210,6 +210,22 @@ static ssize_t type_show(struct kobject *kobj, } IRQ_ATTR_RO(type); +static ssize_t wakeup_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct irq_desc *desc = container_of(kobj, struct irq_desc, kobj); + ssize_t ret = 0; + + raw_spin_lock_irq(&desc->lock); + ret = sprintf(buf, "%s\n", + irqd_is_wakeup_set(&desc->irq_data) ? "enabled" : "disabled"); + raw_spin_unlock_irq(&desc->lock); + + return ret; + +} +IRQ_ATTR_RO(wakeup); + static ssize_t name_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { @@ -253,6 +269,7 @@ static struct attribute *irq_attrs[] = { &chip_name_attr.attr, &hwirq_attr.attr, &type_attr.attr, + &wakeup_attr.attr, &name_attr.attr, &actions_attr.attr, NULL |