Hi Clément,
On Mon, Jun 03, 2019 at 09:58:23PM +0200, Clément Péron wrote:
> Hi Ondrej,
>
> On Fri, 31 May 2019 at 14:46, Ondřej Jirman <megous@xxxxxxxxxx> wrote:
> >
> > Hello Clément,
> >
> > On Fri, May 31, 2019 at 12:25:32AM +0200, Clément Péron wrote:
> > > Hi Ondrej,
> > >
> > > On Thu, 30 May 2019 at 16:55, Ondřej Jirman <megous@xxxxxxxxxx> wrote:
> > > >
> > > > Hello Clément,
> > > >
> > > > On Tue, May 28, 2019 at 06:14:38PM +0200, Clément Péron wrote:
> > > > > Allwinner H6 IR is similar to A31 and can use same driver.
> > > > >
> > > > > Add support for it.
> > > > >
> > > > > Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
> > > > > ---
> > > > > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 19 +++++++++++++++++++
> > > > > 1 file changed, 19 insertions(+)
> > > > >
> > > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > > > > index 16c5c3d0fd81..649cbdfe452e 100644
> > > > > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > > > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > > > > @@ -647,6 +647,25 @@
> > > > > pins = "PL0", "PL1";
> > > > > function = "s_i2c";
> > > > > };
> > > > > +
> > > > > + r_ir_rx_pin: r-ir-rx-pin {
> > > > > + pins = "PL9";
> > > > > + function = "s_cir_rx";
> > > > > + };
> > > > > + };
> > > > > +
> > > > > + r_ir: ir@7040000 {
> > > > > + compatible = "allwinner,sun50i-h6-ir",
> > > > > + "allwinner,sun6i-a31-ir";
> > > > > + reg = <0x07040000 0x400>;
> > > > > + interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
> > > > > + clocks = <&r_ccu CLK_R_APB1_IR>,
> > > > > + <&r_ccu CLK_IR>;
> > > > > + clock-names = "apb", "ir";
> > > > > + resets = <&r_ccu RST_R_APB1_IR>;
> > > > > + pinctrl-names = "default";
> > > > > + pinctrl-0 = <&r_ir_rx_pin>;
> > > > > + status = "disabled";
> > > > > };
> > > >
> > > > Please make a comment here, that this is known broken on some boards and may
> > > > result IRQ flood if enabled. Otherwise noone will know.
> > >
> > > I'm planning to send a v4 next week with the IRQ_NONE return as Maxime
> > > suggested it.
> > > https://github.com/clementperon/linux/tree/h6_ir_v4
> > >
> > > But maybe we could also use the bit 5 of the IRQ status.
> >
> > Thanks, that's nice, but that will not make the HW work. That will just disable
> > it. The comment is still necessary.
> I have pushed a new version on my github.
> https://github.com/clementperon/linux/commits/h6_ir_v4
>
> I will submit it, if you are ok with it.
the changes make it worse. Console is flooded with "Temporarily disable IRQ"
and other symptoms are the same as I described before. Interrupts are not
disabled in a any reasonable time. (I've waited for more > 5mins already.)
You probably need to disable interrupts right away, not wait for 100k failures.
thank you and regards,
o.
> Thanks,
> Clément
>
> >
> > thank you,
> > o.
> >
> > > Regards, Clement
> > >
> > > >
> > > > thanks,
> > > > o.
> > > >
> > > > > r_i2c: i2c@7081400 {
> > > > > --
> > > > > 2.20.1
> > > > >
> > > > >
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