Re: [PATCH 1/2] HID: wacom: Support sequence numbers smaller than 16-bit

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On Mon, Sep 9, 2024 at 1:40 PM Jiri Kosina <jikos@xxxxxxxxxx> wrote:
>
> On Mon, 9 Sep 2024, Gerecke, Jason wrote:
>
> > From: Jason Gerecke <jason.gerecke@xxxxxxxxx>
> >
> > The current dropped packet reporting assumes that all sequence numbers
> > are 16 bits in length. This results in misleading "Dropped" messages if
> > the hardware uses fewer bits. For example, if a tablet uses only 8 bits
> > to store its sequence number, once it rolls over from 255 -> 0, the
> > driver will still be expecting a packet "256". This patch adjusts the
> > logic to reset the next expected packet to logical_minimum whenever
> > it overflows beyond logical_maximum.
> >
> > Signed-off-by: Jason Gerecke <jason.gerecke@xxxxxxxxx>
> > Tested-by: Joshua Dickens <joshua.dickens@xxxxxxxxx>
> > Fixes: 6d09085b38e5 ("HID: wacom: Adding Support for new usages")
>
> Hi Jason,
>
> thanks for both fixes.
>
> Looking at them, it seems like it'd normally be 6.11 material, but given
>
> - how far we currently are in a 6.11 development cycle
> - how long this issue has been present in the code
> - the fact that it actually does change the event processing behavior
>
> I have to ask you for a judgement -- would you like to absolutely see
> these in 6.11 as last-minute fixes, or do you consider this to be 6.12
> material?
>
> Thanks,
>
> --
> Jiri Kosina
> SUSE Labs
>
Hi Jiri,

These are pretty minor fixes, so I agree that there is no urgent need
to get them into 6.11. Feel free to queue them for 6.12 instead.

Jason (she/they)
---
Now instead of four in the eights place /
you’ve got three, ‘Cause you added one  /
(That is to say, eight) to the two,     /
But you can’t take seven from three,    /
So you look at the sixty-fours....





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