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* [PATCH] misc: vop: set VIRTIO_F_ACCESS_PLATFORM for vop driver
@ 2020-09-29  8:49 Sherry Sun
  2020-09-29 10:29 ` Christoph Hellwig
  0 siblings, 1 reply; 2+ messages in thread
From: Sherry Sun @ 2020-09-29  8:49 UTC (permalink / raw)
  To: hch, sudeep.dutt, ashutosh.dixit, arnd, gregkh; +Cc: linux-kernel, linux-imx

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@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] misc: vop: set VIRTIO_F_ACCESS_PLATFORM for vop driver
  2020-09-29  8:49 [PATCH] misc: vop: set VIRTIO_F_ACCESS_PLATFORM for vop driver Sherry Sun
@ 2020-09-29 10:29 ` Christoph Hellwig
  0 siblings, 0 replies; 2+ messages in thread
From: Christoph Hellwig @ 2020-09-29 10:29 UTC (permalink / raw)
  To: Sherry Sun
  Cc: hch, sudeep.dutt, ashutosh.dixit, arnd, gregkh, linux-kernel,
	linux-imx

On Tue, Sep 29, 2020 at 04:49:44PM +0800, Sherry Sun wrote:
> 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
> implementatio
>
> 
> Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-09-29  8:49 [PATCH] misc: vop: set VIRTIO_F_ACCESS_PLATFORM for vop driver Sherry Sun
2020-09-29 10:29 ` Christoph Hellwig

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