Re: [PATCH] uio: pruss: Deprecate use of this driver

From: Matthijs van Duin
Date: Tue Mar 26 2024 - 14:18:24 EST


On Tue, 26 Mar 2024 at 19:02, Andrew Davis <afd@xxxxxx> wrote:
>
> On 3/26/24 12:24 PM, Matthijs van Duin wrote:
> > I'll write a more in-depth reply when I have a moment, but right now I'd
> > like to point out that the uio-pruss driver in mainline linux is for the
> > pru subsystem on the freon/primus family of ARM9-based SoCs (OMAP-L1xx /
> > AM17xx / AM18xx / TMS320C674x / DA8xx), which is not currently supported
> > by remoteproc-pru.
> >
>
> I'll wait for your full reply, but a quick note, for those devices listed
> this driver isn't usable either after they all moved to DT. As this driver
> never got a DT port and relies on platform data (which is gone for those
> couple devices).

Ah I wasn't aware of that. But then the reasoning for removal is "we
broke this driver a long time and nobody seems to care enough to fix
it" rather than saying they should use remoteproc, which does not
support these devices.

Matthijs