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From: Eric Farman <farman@linux.ibm.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Matthew Rosato <mjrosato@linux.ibm.com>,
	Jason Gunthorpe <jgg@nvidia.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Halil Pasic <pasic@linux.ibm.com>,
	kvm@vger.kernel.org, linux-s390@vger.kernel.org,
	Eric Farman <farman@linux.ibm.com>
Subject: [PATCH v4 04/11] vfio/ccw: Remove private->mdev
Date: Thu,  7 Jul 2022 15:57:30 +0200	[thread overview]
Message-ID: <20220707135737.720765-5-farman@linux.ibm.com> (raw)
In-Reply-To: <20220707135737.720765-1-farman@linux.ibm.com>

There are no remaining users of private->mdev. Remove it.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/s390/cio/vfio_ccw_async.c   | 1 -
 drivers/s390/cio/vfio_ccw_ops.c     | 3 ---
 drivers/s390/cio/vfio_ccw_private.h | 2 --
 3 files changed, 6 deletions(-)

diff --git a/drivers/s390/cio/vfio_ccw_async.c b/drivers/s390/cio/vfio_ccw_async.c
index 7a838e3d7c0f..420d89ba7f83 100644
--- a/drivers/s390/cio/vfio_ccw_async.c
+++ b/drivers/s390/cio/vfio_ccw_async.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/vfio.h>
-#include <linux/mdev.h>
 
 #include "vfio_ccw_private.h"
 
diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c
index 9a05dadcbb75..81377270d4a7 100644
--- a/drivers/s390/cio/vfio_ccw_ops.c
+++ b/drivers/s390/cio/vfio_ccw_ops.c
@@ -128,7 +128,6 @@ static int vfio_ccw_mdev_probe(struct mdev_device *mdev)
 	vfio_init_group_dev(&private->vdev, &mdev->dev,
 			    &vfio_ccw_dev_ops);
 
-	private->mdev = mdev;
 	private->state = VFIO_CCW_STATE_IDLE;
 
 	VFIO_CCW_MSG_EVENT(2, "sch %x.%x.%04x: create\n",
@@ -145,7 +144,6 @@ static int vfio_ccw_mdev_probe(struct mdev_device *mdev)
 err_atomic:
 	vfio_uninit_group_dev(&private->vdev);
 	atomic_inc(&private->avail);
-	private->mdev = NULL;
 	private->state = VFIO_CCW_STATE_STANDBY;
 	return ret;
 }
@@ -170,7 +168,6 @@ static void vfio_ccw_mdev_remove(struct mdev_device *mdev)
 
 	vfio_uninit_group_dev(&private->vdev);
 	cp_free(&private->cp);
-	private->mdev = NULL;
 	atomic_inc(&private->avail);
 }
 
diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h
index b7163bac8cc7..4d11ef48333e 100644
--- a/drivers/s390/cio/vfio_ccw_private.h
+++ b/drivers/s390/cio/vfio_ccw_private.h
@@ -73,7 +73,6 @@ struct vfio_ccw_crw {
  * @state: internal state of the device
  * @completion: synchronization helper of the I/O completion
  * @avail: available for creating a mediated device
- * @mdev: pointer to the mediated device
  * @nb: notifier for vfio events
  * @io_region: MMIO region to input/output I/O arguments/results
  * @io_mutex: protect against concurrent update of I/O regions
@@ -97,7 +96,6 @@ struct vfio_ccw_private {
 	int			state;
 	struct completion	*completion;
 	atomic_t		avail;
-	struct mdev_device	*mdev;
 	struct notifier_block	nb;
 	struct ccw_io_region	*io_region;
 	struct mutex		io_mutex;
-- 
2.34.1


  parent reply	other threads:[~2022-07-07 13:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-07 13:57 [PATCH v4 00/11] s390/vfio-ccw rework Eric Farman
2022-07-07 13:57 ` [PATCH v4 01/11] vfio/ccw: Remove UUID from s390 debug log Eric Farman
2022-07-07 13:57 ` [PATCH v4 02/11] vfio/ccw: Fix FSM state if mdev probe fails Eric Farman
2022-07-07 13:57 ` [PATCH v4 03/11] vfio/ccw: Do not change FSM state in subchannel event Eric Farman
2022-07-07 13:57 ` Eric Farman [this message]
2022-07-07 13:57 ` [PATCH v4 05/11] vfio/ccw: Pass enum to FSM event jumptable Eric Farman
2022-07-07 13:57 ` [PATCH v4 06/11] vfio/ccw: Flatten MDEV device (un)register Eric Farman
2022-07-07 13:57 ` [PATCH v4 07/11] vfio/ccw: Update trace data for not operational event Eric Farman
2022-07-07 13:57 ` [PATCH v4 08/11] vfio/ccw: Create an OPEN FSM Event Eric Farman
2022-07-07 13:57 ` [PATCH v4 09/11] vfio/ccw: Create a CLOSE FSM event Eric Farman
2022-07-07 13:57 ` [PATCH v4 10/11] vfio/ccw: Refactor vfio_ccw_mdev_reset Eric Farman
2022-07-07 13:57 ` [PATCH v4 11/11] vfio/ccw: Move FSM open/close to MDEV open/close Eric Farman
2022-07-07 21:32 ` [PATCH v4 00/11] s390/vfio-ccw rework Alex Williamson

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