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regmap-irq: Provide IRQ resource request and release callbacks

Browse Source 
The users which rely on regmap IRQ to create the IRQ chip may also
 want to have an additional tracking of the IRQ requests and releases.
 Provide a callback for them.
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regmap-irq: Provide IRQ resource request and release callbacks

The users which rely on regmap IRQ to create the IRQ chip may also
want to have an additional tracking of the IRQ requests and releases.
Provide a callback for them.
This commit is contained in:
Mark Brown 2026-07-03 16:28:16 +01:00
commit 35845da94b
2 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/base/regmap/regmap-irq.c
View File

@ -296,6 +296,26 @@ static int regmap_irq_set_wake(struct irq_data *data, unsigned int on)
return 0;
}
static int regmap_irq_reqres(struct irq_data *data)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
irq_hw_number_t hwirq = irqd_to_hwirq(data);
if (d->chip->irq_reqres)
return d->chip->irq_reqres(d->chip->irq_drv_data, hwirq);
return 0;
}
static void regmap_irq_relres(struct irq_data *data)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
irq_hw_number_t hwirq = irqd_to_hwirq(data);
if (d->chip->irq_relres)
d->chip->irq_relres(d->chip->irq_drv_data, hwirq);
}
static const struct irq_chip regmap_irq_chip = {
.irq_bus_lock = regmap_irq_lock,
.irq_bus_sync_unlock = regmap_irq_sync_unlock,
@ -303,6 +323,8 @@ static const struct irq_chip regmap_irq_chip = {
.irq_enable = regmap_irq_enable,
.irq_set_type = regmap_irq_set_type,
.irq_set_wake = regmap_irq_set_wake,
.irq_request_resources = regmap_irq_reqres,
.irq_release_resources = regmap_irq_relres,
};
static inline int read_sub_irq_data(struct regmap_irq_chip_data *data,

2
include/linux/regmap.h
View File

@ -1770,6 +1770,8 @@ struct regmap_irq_chip {
void *irq_drv_data);
unsigned int (*get_irq_reg)(struct regmap_irq_chip_data *data,
unsigned int base, int index);
int (*irq_reqres)(void *irq_drv_data, irq_hw_number_t hwirq);
void (*irq_relres)(void *irq_drv_data, irq_hw_number_t hwirq);
void *irq_drv_data;
};