Messages in this thread | | | Date | Mon, 20 Mar 2023 10:47:51 -0400 | Subject | Re: [PATCH v1] s390/vfio-ap-drv: Remove redundant driver match function | From | Anthony Krowiak <> |
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Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
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@163.com> > --- > 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 = {
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