Some users of irq_alloc_generic_chip() are modules which can be
removed (e.g. gpio-ml-ioh) but have no means of freeing the allocated
generic chip. Provide a function for that.
Signed-off-by: Bartosz Golaszewski <[email protected]>
---
include/linux/irq.h | 1 +
kernel/irq/generic-chip.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index f887351..04e5120 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -950,6 +950,7 @@ void irq_setup_generic_chip(struct irq_chip_generic *gc, u32 msk,
int irq_setup_alt_chip(struct irq_data *d, unsigned int type);
void irq_remove_generic_chip(struct irq_chip_generic *gc, u32 msk,
unsigned int clr, unsigned int set);
+void irq_free_generic_chip(struct irq_chip_generic *gc);
struct irq_chip_generic *irq_get_domain_generic_chip(struct irq_domain *d, unsigned int hw_irq);
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index ee32870..8122c9c 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -545,6 +545,12 @@ void irq_remove_generic_chip(struct irq_chip_generic *gc, u32 msk,
}
EXPORT_SYMBOL_GPL(irq_remove_generic_chip);
+void irq_free_generic_chip(struct irq_chip_generic *gc)
+{
+ kfree(gc);
+}
+EXPORT_SYMBOL_GPL(irq_free_generic_chip);
+
static struct irq_data *irq_gc_get_irq_data(struct irq_chip_generic *gc)
{
unsigned int virq;
--
2.9.3
2017-03-08 18:00 GMT+01:00 Bartosz Golaszewski <[email protected]>:
> Some users of irq_alloc_generic_chip() are modules which can be
> removed (e.g. gpio-ml-ioh) but have no means of freeing the allocated
> generic chip. Provide a function for that.
>
> Signed-off-by: Bartosz Golaszewski <[email protected]>
> ---
Eek, -ETOEARLY - forgot the kernel doc...
Disregard this patch.