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

From: Lucas Stach
Date: Fri Apr 26 2019 - 10:43:57 EST


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.

Regards,
Lucas