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authorThomas Gleixner <tglx@linutronix.de>2015-04-08 23:26:21 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-04-08 23:26:21 +0200
commit462b69b1e43ceccab68a47d65b1e46520cd0fdc0 (patch)
tree3c961fcb5889c5ab14ab36d8ef7421fc96c95959 /kernel/irq
parentgenirq: Remove the deprecated 'IRQF_DISABLED' request_irq() flag entirely (diff)
parentLinux 4.0-rc7 (diff)
downloadlinux-462b69b1e43ceccab68a47d65b1e46520cd0fdc0.tar.xz
linux-462b69b1e43ceccab68a47d65b1e46520cd0fdc0.zip
Merge branch 'linus' into irq/core to get the GIC updates which
conflict with pending GIC changes. Conflicts: drivers/usb/isp1760/isp1760-core.c
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/manage.c7
-rw-r--r--kernel/irq/pm.c7
2 files changed, 12 insertions, 2 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 03329c2287eb..c0a1100d911f 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1506,8 +1506,13 @@ int request_threaded_irq(unsigned int irq, irq_handler_t handler,
* otherwise we'll have trouble later trying to figure out
* which interrupt is which (messes up the interrupt freeing
* logic etc).
+ *
+ * Also IRQF_COND_SUSPEND only makes sense for shared interrupts and
+ * it cannot be set along with IRQF_NO_SUSPEND.
*/
- if ((irqflags & IRQF_SHARED) && !dev_id)
+ if (((irqflags & IRQF_SHARED) && !dev_id) ||
+ (!(irqflags & IRQF_SHARED) && (irqflags & IRQF_COND_SUSPEND)) ||
+ ((irqflags & IRQF_NO_SUSPEND) && (irqflags & IRQF_COND_SUSPEND)))
return -EINVAL;
desc = irq_to_desc(irq);
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index 3ca532592704..5204a6d1b985 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -43,9 +43,12 @@ void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action)
if (action->flags & IRQF_NO_SUSPEND)
desc->no_suspend_depth++;
+ else if (action->flags & IRQF_COND_SUSPEND)
+ desc->cond_suspend_depth++;
WARN_ON_ONCE(desc->no_suspend_depth &&
- desc->no_suspend_depth != desc->nr_actions);
+ (desc->no_suspend_depth +
+ desc->cond_suspend_depth) != desc->nr_actions);
}
/*
@@ -61,6 +64,8 @@ void irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action)
if (action->flags & IRQF_NO_SUSPEND)
desc->no_suspend_depth--;
+ else if (action->flags & IRQF_COND_SUSPEND)
+ desc->cond_suspend_depth--;
}
static bool suspend_device_irq(struct irq_desc *desc, int irq)