linux-kernel - [RFC PATCH] s390: vfio-ap: Register the vfio

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Date:   Wed,  1 Dec 2021 15:11:10 +0100
From:   Thomas Huth <thuth@...hat.com>
To:     linux-s390@...r.kernel.org, Tony Krowiak <akrowiak@...ux.ibm.com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Jason Herne <jjherne@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org,
        Harald Freudenberger <freude@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>
Subject: [RFC PATCH] s390: vfio-ap: Register the vfio_ap module for the "ap" parent bus

The crypto devices that we can use with the vfio_ap module are sitting
on the "ap" bus, not on the "vfio_ap" bus that the module defines
itself. With this change, the vfio_ap module now gets automatically
loaded if a supported crypto adapter is available in the host.

Signed-off-by: Thomas Huth <thuth@...hat.com>
---
 Note: Marked as "RFC" since I'm not 100% sure about it ...
       please review carefully!

 drivers/s390/crypto/vfio_ap_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c
index 4d2556bc7fe5..5580e40608a4 100644
--- a/drivers/s390/crypto/vfio_ap_drv.c
+++ b/drivers/s390/crypto/vfio_ap_drv.c
@@ -39,7 +39,7 @@ static struct ap_device_id ap_queue_ids[] = {
 	{ /* end of sibling */ },
 };
 
-MODULE_DEVICE_TABLE(vfio_ap, ap_queue_ids);
+MODULE_DEVICE_TABLE(ap, ap_queue_ids);
 
 /**
  * vfio_ap_queue_dev_probe:
-- 
2.27.0