[PATCH] dio: Have dio_bus_match() callback take a const *
From: Geert Uytterhoeven
Date: Wed Jul 10 2024 - 03:45:20 EST
drivers/dio/dio-driver.c:128:11: error: initialization of ‘int (*)(struct device *, const struct device_driver *)’ from incompatible pointer type ‘int (*)(struct device *, struct device_driver *)’ [-Werror=incompatible-pointer-types]
128 | .match = dio_bus_match,
| ^~~~~~~~~~~~~
drivers/dio/dio-driver.c:128:11: note: (near initialization for ‘dio_bus_type.match’)
Reported-by: noreply@xxxxxxxxxxxxxx
Fixes: d69d804845985c29 ("driver core: have match() callback in struct bus_type take a const *")
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
drivers/dio/dio-driver.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dio/dio-driver.c b/drivers/dio/dio-driver.c
index 2d9fa6011945d88b..12fa2d209dab9d3c 100644
--- a/drivers/dio/dio-driver.c
+++ b/drivers/dio/dio-driver.c
@@ -110,10 +110,10 @@ void dio_unregister_driver(struct dio_driver *drv)
* and 0 if there is no match.
*/
-static int dio_bus_match(struct device *dev, struct device_driver *drv)
+static int dio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct dio_dev *d = to_dio_dev(dev);
- struct dio_driver *dio_drv = to_dio_driver(drv);
+ const struct dio_driver *dio_drv = to_dio_driver(drv);
const struct dio_device_id *ids = dio_drv->id_table;
if (!ids)
--
2.34.1