Hi
* Belisko Marek <marek.belisko@xxxxxxxxx> [180703 18:34]:
> Hi Tony,
>
> On Tue, Jul 3, 2018 at 10:45 AM Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> >
> > * Belisko Marek <marek.belisko@xxxxxxxxx> [180620 09:40]:
> > > Hello,
> > >
> > > I'm trying to fix warning (for omap5 board) produced by recent change
> > > to avoid using IRQ_TYPE_NONE like:
> > > [ 1.818666] WARNING: CPU: 1 PID: 778 at
> > > drivers/irqchip/irq-gic.c:1016 gic_irq_domain_translate+0x78/0x100
> > > [ 1.828839] Modules linked in:
> > >
> > > I did look to other commit which did update and without deep knowledge
> > > I just simply do this small change:
> > > diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi
> > > b/arch/arm/boot/dts/omap5-board-common.dtsi
> > > index 218892b..ab2df8c 100644
> > > --- a/arch/arm/boot/dts/omap5-board-common.dtsi
> > > +++ b/arch/arm/boot/dts/omap5-board-common.dtsi
> > > @@ -393,7 +393,7 @@
> > >
> > > palmas: palmas@48 {
> > > compatible = "ti,palmas";
> > > - interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* IRQ_SYS_1N */
> > > + interrupts = <GIC_SPI 7 IRQ_TYPE_HIGH>; /* IRQ_SYS_1N */
> > > reg = <0x48>;
> > > interrupt-controller;
> > > #interrupt-cells = <2>;
> > >
> > > and it looks board boots fine. Only issue is that gpadc driver is not
> > > working (at least not getting interrupts at all ADC fails with
> > > timeout). I did look to gpadc driver and driver is not using
> > > interrupts defined in dts but request interrupt directly from palmas
> > > mfd module. Any ideas what needs to be changed to have gpadc again
> > > working with mentioned patch?
> >
> > Can you try with IRQF_TRIGGER_HIGH added also to the flags to
> > regmap_add_irq_chip() in drivers/mfd/palmas.c?
> Nope issue is till present also after this change like:
> diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi
> b/arch/arm/boot/dts/omap5-board-common.dtsi
> index 218892b..6912769 100644
> --- a/arch/arm/boot/dts/omap5-board-common.dtsi
> +++ b/arch/arm/boot/dts/omap5-board-common.dtsi
> @@ -393,7 +393,7 @@
>
> palmas: palmas@48 {
> compatible = "ti,palmas";
> - interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* IRQ_SYS_1N */
> + interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* IRQ_SYS_1N */
> reg = <0x48>;
> interrupt-controller;
> #interrupt-cells = <2>;
> @@ -432,9 +432,9 @@
>
> gpadc: gpadc {
> compatible = "ti,palmas-gpadc";
> - interrupts = <18 0
> - 16 0
> - 17 0>;
> + interrupts = <18 IRQ_TYPE_LEVEL_HIGH
> + 16 IRQ_TYPE_LEVEL_HIGH
> + 17 IRQ_TYPE_LEVEL_HIGH>;
> #io-channel-cells = <1>;
> ti,channel0-current-microamp = <5>;
> ti,channel3-current-microamp = <10>;
> diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
> index 663a239..15d23db 100644
> --- a/drivers/mfd/palmas.c
> +++ b/drivers/mfd/palmas.c
> @@ -601,7 +601,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
> regmap_write(palmas->regmap[slave], addr, reg);
>
> ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq,
> - IRQF_ONESHOT | pdata->irq_flags, 0,
> + IRQF_ONESHOT | IRQF_TRIGGER_HIGH |
> pdata->irq_flags, 0,
> driver_data->irq_chip, &palmas->irq_data);
> if (ret < 0)
> goto err_i2c;
Looks like the IRQ_TYPE_NONE issue still is there for omap5 and
should be fixed with IRQ_TYPE_HIGH.
No idea about why palmas interrupts would stop working though,
Peter, do you have any ideas on this one?
Regards,
Tony
