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Re: [Qemu-devel] [PATCH 1/2] ps2: Clear the queue on PS/2 mouse reset an
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] ps2: Clear the queue on PS/2 mouse reset and obey device disable |
Date: |
Mon, 7 May 2018 14:21:47 +0200 |
User-agent: |
NeoMutt/20180323 |
On Mon, May 07, 2018 at 10:00:22PM +1000, geoff--- via Qemu-devel wrote:
> This allows guest's to correctly reinitialize and identify the mouse
> should the guest decide to re-scan or reset during mouse input events.
>
> Signed-off-by: Geoffrey McRae <address@hidden>
> ---
> hw/input/ps2.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/hw/input/ps2.c b/hw/input/ps2.c
> index 06f5d2ac4a..6edf046820 100644
> --- a/hw/input/ps2.c
> +++ b/hw/input/ps2.c
> @@ -673,6 +673,9 @@ static void ps2_mouse_sync(DeviceState *dev)
> {
> PS2MouseState *s = (PS2MouseState *)dev;
>
> + if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
> + return;
> +
Why this is needed?
> @@ -776,6 +779,7 @@ void ps2_write_mouse(void *opaque, int val)
> s->mouse_resolution = 2;
> s->mouse_status = 0;
> s->mouse_type = 0;
> + ps2_reset_queue(&s->common);
Looks good.
cheers,
Gerd