Reviewed-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>
On 3/19/23 12:19 AM, Lizhe wrote:
If there is no driver match function, the driver core assumes that each
candidate pair (driver, device) matches, see driver_match_device().
Drop the matrix bus's match function that always returned 1 and so
implements the same behaviour as when there is no match function
Signed-off-by: Lizhe <sensor1010@xxxxxxx>
---
drivers/s390/crypto/vfio_ap_drv.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c
index 997b524bdd2b..9341c000da41 100644
--- a/drivers/s390/crypto/vfio_ap_drv.c
+++ b/drivers/s390/crypto/vfio_ap_drv.c
@@ -59,14 +59,8 @@ static void vfio_ap_matrix_dev_release(struct device *dev)
kfree(matrix_dev);
}
-static int matrix_bus_match(struct device *dev, struct device_driver *drv)
-{
- return 1;
-}
-
static struct bus_type matrix_bus = {
.name = "matrix",
- .match = &matrix_bus_match,
};
static struct device_driver matrix_driver = {
