gpiobus: Make gpiobus_read_ivar extern

This allows acpi_gpiobus to override the method and fall back to the generic gpiobus_read_ivar function if needed. Reviewed by: andrew MFC after: 1 week Sponsored by: Amazon Differential Revision: https://reviews.freebsd.org/D47250
yukiteruamano · Oct 26, 2024 · bc0d10d · bc0d10d
1 parent 2f3f867
commit bc0d10d
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/sys/dev/gpio/gpiobus.c b/sys/dev/gpio/gpiobus.c
@@ -752,7 +752,7 @@ gpiobus_hinted_child(device_t bus, const char *dname, int dunit)
 	}
 }
 
-static int
+int
 gpiobus_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
 {
 	struct gpiobus_ivar *devi;

diff --git a/sys/dev/gpio/gpiobusvar.h b/sys/dev/gpio/gpiobusvar.h
@@ -179,6 +179,7 @@ int gpiobus_detach(device_t);
 int gpiobus_init_softc(device_t);
 int gpiobus_alloc_ivars(struct gpiobus_ivar *);
 void gpiobus_free_ivars(struct gpiobus_ivar *);
+int gpiobus_read_ivar(device_t, device_t, int, uintptr_t *);
 int gpiobus_acquire_pin(device_t, uint32_t);
 int gpiobus_release_pin(device_t, uint32_t);