linux-kernel - [PATCH] misc: vop: set VIRTIO_F_ACCESS

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Message-Id: <20200929084944.24146-1-sherry.sun@nxp.com>
Date:   Tue, 29 Sep 2020 16:49:44 +0800
From:   Sherry Sun <sherry.sun@....com>
To:     hch@...radead.org, sudeep.dutt@...el.com, ashutosh.dixit@...el.com,
        arnd@...db.de, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, linux-imx@....com
Subject: [PATCH] misc: vop: set VIRTIO_F_ACCESS_PLATFORM for vop driver

Set VIRTIO_F_ACCESS_PLATFORM feature for vop driver, as the DMA mapping
details shouldn't decide on the virtio implementation, but the host PCIe
implementation.

Signed-off-by: Sherry Sun <sherry.sun@....com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 drivers/misc/mic/vop/vop_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c
index 6722c726b259..714b94f42d38 100644
--- a/drivers/misc/mic/vop/vop_main.c
+++ b/drivers/misc/mic/vop/vop_main.c
@@ -124,6 +124,7 @@ static void vop_transport_features(struct virtio_device *vdev)
 	 * creates virtio rings on preallocated memory.
 	 */
 	__virtio_clear_bit(vdev, VIRTIO_F_RING_PACKED);
+	__virtio_set_bit(vdev, VIRTIO_F_ACCESS_PLATFORM);
 }
 
 static int vop_finalize_features(struct virtio_device *vdev)
-- 
2.17.1