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irqchip updates for Linux 5.5

Browse source 
- Qualcomm PDC wakeup interrupt support
 - Layerscape external IRQ support
 - Broadcom bcm7038 PM and wakeup support
 - Ingenic driver cleanup and modernization
 - GICv3 ITS preparation for GICv4.1 updates
 - GICv4 fixes
 - Various cleanups
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Merge tag 'irqchip-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core

Pull irqchip updates from Marc Zyngier:

 - Qualcomm PDC wakeup interrupt support
 - Layerscape external IRQ support
 - Broadcom bcm7038 PM and wakeup support
 - Ingenic driver cleanup and modernization
 - GICv3 ITS preparation for GICv4.1 updates
 - GICv4 fixes
 - Various cleanups
This commit is contained in:
Thomas Gleixner 2019-11-20 14:16:34 +01:00
commit 407e62f52a
24 changed files with 1041 additions and 160 deletions
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44
kernel/irq/chip.c
View file

@ -1297,6 +1297,50 @@ EXPORT_SYMBOL_GPL(handle_fasteoi_mask_irq);
#endif /* CONFIG_IRQ_FASTEOI_HIERARCHY_HANDLERS */
/**
* irq_chip_set_parent_state - set the state of a parent interrupt.
*
* @data: Pointer to interrupt specific data
* @which: State to be restored (one of IRQCHIP_STATE_*)
* @val: Value corresponding to @which
*
* Conditional success, if the underlying irqchip does not implement it.
*/
int irq_chip_set_parent_state(struct irq_data *data,
enum irqchip_irq_state which,
bool val)
{
data = data->parent_data;
if (!data || !data->chip->irq_set_irqchip_state)
return 0;
return data->chip->irq_set_irqchip_state(data, which, val);
}
EXPORT_SYMBOL_GPL(irq_chip_set_parent_state);
/**
* irq_chip_get_parent_state - get the state of a parent interrupt.
*
* @data: Pointer to interrupt specific data
* @which: one of IRQCHIP_STATE_* the caller wants to know
* @state: a pointer to a boolean where the state is to be stored
*
* Conditional success, if the underlying irqchip does not implement it.
*/
int irq_chip_get_parent_state(struct irq_data *data,
enum irqchip_irq_state which,
bool *state)
{
data = data->parent_data;
if (!data || !data->chip->irq_get_irqchip_state)
return 0;
return data->chip->irq_get_irqchip_state(data, which, state);
}
EXPORT_SYMBOL_GPL(irq_chip_get_parent_state);
/**
* irq_chip_enable_parent - Enable the parent interrupt (defaults to unmask if
* NULL)