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irqchip updates for 4.15, take #4

Browse source 
- A core irq fix for legacy cases where the irq trigger is not reported
   by firmware
 - A couple of GICv3/4 fixes (Kconfig, of-node refcount, error handling)
 - Trivial pr_err fixes
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Merge tag 'irqchip-4.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent

Pull irqchip updates for 4.15, take #4 from Marc Zyngier

 - A core irq fix for legacy cases where the irq trigger is not reported
   by firmware

 - A couple of GICv3/4 fixes (Kconfig, of-node refcount, error handling)

 - Trivial pr_err fixes
This commit is contained in:
Thomas Gleixner 2017-11-14 11:23:05 +01:00
commit 41cc30412d
8 changed files with 47 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

11
include/linux/irq.h
View file

@ -211,6 +211,7 @@ struct irq_data {
* IRQD_MANAGED_SHUTDOWN - Interrupt was shutdown due to empty affinity
* mask. Applies only to affinity managed irqs.
* IRQD_SINGLE_TARGET - IRQ allows only a single affinity target
* IRQD_DEFAULT_TRIGGER_SET - Expected trigger already been set
*/
enum {
IRQD_TRIGGER_MASK = 0xf,
@ -231,6 +232,7 @@ enum {
IRQD_IRQ_STARTED = (1 << 22),
IRQD_MANAGED_SHUTDOWN = (1 << 23),
IRQD_SINGLE_TARGET = (1 << 24),
IRQD_DEFAULT_TRIGGER_SET = (1 << 25),
};
#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
@ -260,18 +262,25 @@ static inline void irqd_mark_affinity_was_set(struct irq_data *d)
__irqd_to_state(d) |= IRQD_AFFINITY_SET;
}
static inline bool irqd_trigger_type_was_set(struct irq_data *d)
{
return __irqd_to_state(d) & IRQD_DEFAULT_TRIGGER_SET;
}
static inline u32 irqd_get_trigger_type(struct irq_data *d)
{
return __irqd_to_state(d) & IRQD_TRIGGER_MASK;
}
/*
* Must only be called inside irq_chip.irq_set_type() functions.
* Must only be called inside irq_chip.irq_set_type() functions or
* from the DT/ACPI setup code.
*/
static inline void irqd_set_trigger_type(struct irq_data *d, u32 type)
{
__irqd_to_state(d) &= ~IRQD_TRIGGER_MASK;
__irqd_to_state(d) |= type & IRQD_TRIGGER_MASK;
__irqd_to_state(d) |= IRQD_DEFAULT_TRIGGER_SET;
}
static inline bool irqd_is_level_type(struct irq_data *d)