Re: [PATCH v4] m68k: Fix atari mouse movement

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

Hi Miro,

On Wed, Oct 21, 2026 at 10:03:37AM +1000, Miro Kropacek wrote:
> Kernels are built with -funsigned-char since version 6.2, resulting in
> the signed 8-bit position deltas reported by the IKBD being
> misinterpreted as unsigned.
> 
> Carry the sign in the type of the mouse interrupt hook. The scancode
> buffer is shared with the keyboard and joystick paths, where unsigned is
> correct, so it stays unsigned and is cast at the single call site that
> passes it to the mouse driver.

The hook receives the byte stream, so I would rather have it accept u8*
and then do signed cast for displacement values (and only them).

Thanks.

-- 
Dmitry