Hi, On Wed, Jun 17, 2026 at 12:20 PM Kiryl Shutsemau <[email protected]> wrote: > > From: "Kiryl Shutsemau (Meta)" <[email protected]> > > invoke_sdei_fn() returns -EIO when no SDEI conduit was probed, and the > core warns ("Failed to create event ...") on any registration that hits > that. An optional consumer that registers an event from an unconditional > initcall would therefore make every boot on a non-SDEI system emit that > warning for what is simply absent firmware. > > Expose whether SDEI firmware is present so such a consumer can skip > registration -- and the warning -- when there is nothing to talk to. > > Signed-off-by: Kiryl Shutsemau (Meta) <[email protected]> > --- > drivers/firmware/arm_sdei.c | 10 ++++++++++ > include/linux/arm_sdei.h | 3 +++ > 2 files changed, 13 insertions(+)
>From a non-expert in SDEI, but FWIW: Reviewed-by: Douglas Anderson <[email protected]>
