Re: [PATCH 2/3] power: supply: Add driver for Microchip UCS1002

From: Andrey Smirnov
Date: Sun Apr 28 2019 - 18:25:06 EST


On Fri, Apr 26, 2019 at 7:43 AM Lucas Stach <l.stach@xxxxxxxxxxxxxx> wrote:
>
> Hi Andrey,
>
> Am Mittwoch, den 17.04.2019, 01:44 -0700 schrieb Andrey Smirnov:
> > Add driver for Microchip UCS1002 Programmable USB Port Power
> > Controller with Charger Emulation. The driver exposed a power supply
> > device to control/monitor various parameter of the device as well as a
> > regulator to allow controlling VBUS line.
> >
> > > Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> > > Cc: Chris Health <cphealy@xxxxxxxxx>
> > > Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> > > Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
> > > Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
> > > Cc: Sebastian Reichel <sre@xxxxxxxxxx>
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Cc: linux-pm@xxxxxxxxxxxxxxx
> > ---
> [...]
> > + if (irq_a_det > 0) {
> > > + ret = devm_request_threaded_irq(dev, irq_a_det, NULL,
> > > + ucs1002_charger_irq,
> > > + IRQF_TRIGGER_FALLING |
> > > + IRQF_TRIGGER_RISING |
> > > + IRQF_ONESHOT,
> > > + "ucs1002-a_det", info);
> > > + if (ret) {
> > > + dev_err(dev, "failed to request A_DET threaded irq\n");
> > > + return ret;
> > > + }
> > > + }
> > +
> > > + if (irq_alert > 0) {
> > > + ret = devm_request_threaded_irq(dev, irq_alert, NULL,
> > > + ucs1002_alert_irq,
> > > + IRQF_TRIGGER_FALLING |
> > > + IRQF_TRIGGER_RISING |
> > > + IRQF_ONESHOT,
> > > + "ucs1002-alert", info);
> > > + if (ret) {
> > > + dev_err(dev, "failed to request ALERT threaded irq\n");
> > > + return ret;
> > > + }
> > > + }
>
> Any reason to explicitly set the IRQ trigger type here? Normally I
> would expect this to be set via the DT interrupt specifier.
>

Don't have a particular reason. I'll move it to DT.

Thanks,
Andrey Smirnov