Hi Robin,
On Wed, Jan 25, 2023 at 11:42 AM Robin Murphy <robin.murphy@xxxxxxx> wrote:
> On 2023-01-25 08:54, Geert Uytterhoeven wrote:
> > BTW, the related IMCTR register is still documented, and the driver
> > does enable the interrupt bit (IMCTR_INTEN), so I'm wondering how the
> > hardware (documentation) people intend this to be used...
> > Perhaps IMCTR_INTEN will be removed/undocumented, too?
> > Or perhaps the removal/undocumentation of IMSSTR was a mistake?
>
> I guess it should be pretty straightforward to just try reading the
> expected IMSSTR register locations on this SoC to double-check whether
> anything is there.
FTR, I did try this. Unfortunately the IMSSTR register value is zero
by default, and interrupts are generated only for error conditions (how
to trigger them?), so my debug print in ipmmu_irq() never triggered.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
