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s390/vfio-ap: remove redundant driver match function

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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>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Link: https://lore.kernel.org/r/20230319041941.259830-1-sensor1010@163.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Lizhe 2023-03-19 12:19:41 +08:00 committed by Vasily Gorbik
parent e7615c9225
commit 85206bf953
1 changed files with 0 additions and 6 deletions
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6
drivers/s390/crypto/vfio_ap_drv.c
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@ -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 = {