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Re: [Qemu-devel] [PATCH] xhci: Add No Op Command
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [PATCH] xhci: Add No Op Command |
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Date: |
Wed, 14 Aug 2019 14:13:00 +0200 |
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User-agent: |
NeoMutt/20180716 |
On Sat, Jul 20, 2019 at 03:04:27PM +0900, address@hidden wrote:
> From: Hikaru Nishida <address@hidden>
>
> This commit adds No Op Command (23) to xHC for verifying the operation
> of the Command Ring mechanisms.
> No Op Command is defined in XHCI spec (4.6.2) and just reports Command
> Completion Event with Completion Code == Success.
> Before this commit, No Op Command is not implemented so xHC reports
> Command Completion Event with Completion Code == TRB Error. This commit
> fixes this behaviour to report Completion Code correctly.
>
> Signed-off-by: Hikaru Nishida <address@hidden>
Added to usb patch queue.
thanks,
Gerd