Hi Biju,
On Fri, Mar 17, 2023 at 10:00 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> > Subject: RE: [PATCH] tty: serial: sh-sci: Fix transmit end interrupt handler
> > > Subject: Re: [PATCH] tty: serial: sh-sci: Fix transmit end interrupt
> > > handler
> > > On Fri, Mar 17, 2023 at 8:59 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > wrote:
> > > > > Subject: Re: [PATCH] tty: serial: sh-sci: Fix transmit end
> > > > > interrupt handler On Thu, Mar 16, 2023 at 5:34 PM Biju Das
> > > <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> > > > > > > Subject: Re: [PATCH] tty: serial: sh-sci: Fix transmit end
> > > > > > > interrupt handler
> > > > >
> > > > > > > On Thu, Mar 16, 2023 at 5:01 PM Biju Das
> > > > > > > <biju.das.jz@xxxxxxxxxxxxxx>
> > > > > wrote:
> > > > > > > > The RZ SCI/ RZ/A1 SCIF has only 4 interrupts. The fourth
> > > > > > > > interrupt is transmit end interrupt, so shuffle the
> > > > > > > > interrupts to fix the transmit end interrupt handler for these
> > IPs.
> > > > > > > >
> > > > > > > > Fixes: 392fb8df528b ("serial: sh-sci: Use
> > > > > > > > platform_get_irq_optional() for optional interrupts")
> > > > > > >
> > > > > > > I don't think that's the right bad commit.
> > > > > >
> > > > > > OK. I will use below commit as fixes one, that is the commit
> > > > > > which added RZ/A1 SCIF with 4 interrupts.
> > > > > >
> > > > > > commit 8b0bbd956228ae87 ("serial: sh-sci: Add support for
> > > > > > R7S9210")
> > > > >
> > > > > That one added support for RZ/A2, and is also not the bad commit?
> > > >
> > > > OK will use below one,
> > > >
> > > > Fixes: 4c84c1b3acca ("ARM: shmobile: r7s72100: add scif nodes to
> > > > dtsi")
> > >
> > > This really starts to look like a guessing game... Beep ;-)
> >
> > Already there is a generic compatible in driver, where we started
> > introducing RZ/A1 SoC With 4 interrupts. So addition of this SoC has this
> > issue. Am I missing anything here?
>
> Wolfram, Can you please confirm transmit end interrupt handler worked for you
> with the commit 4c84c1b3acca ("ARM: shmobile: r7s72100: add scif nodes to dtsi")
That issue is moot: the fourth IRQ on RZ/A1 is BRI, not TEI, cfr. my
previous email.
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
