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regmap-irq: Provide IRQ resource request and release callbacks

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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.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260702130903.1790633-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2026-07-02 14:42:54 +02:00 committed by Mark Brown
parent dc59e4fea9
commit 9bb4c0b37d
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GPG Key ID: 24D68B725D5487D0
2 changed files with 24 additions and 0 deletions
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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;
};