linux-kernel - Re: [PATCH v6 1/7] irq/irq_sim: add irq_set

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Date:   Tue, 19 Feb 2019 17:36:23 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Marc Zyngier <marc.zyngier@....com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v6 1/7] irq/irq_sim: add irq_set_type() callback

wt., 19 lut 2019 o 17:14 Marc Zyngier <marc.zyngier@....com> napisał(a):
>
> On Tue, 19 Feb 2019 17:06:44 +0100
> Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> >
> > Implement the irq_set_type() callback and call irqd_set_trigger_type()
> > internally so that users interested in the configured trigger type can
> > later retrieve it using irqd_get_trigger_type(). We only support edge
> > trigger types.
> >
> > Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> > ---
> >  kernel/irq/irq_sim.c | 12 ++++++++++++
> >  1 file changed, 12 insertions(+)
> >
> > diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
> > index 98a20e1594ce..b992f88c5613 100644
> > --- a/kernel/irq/irq_sim.c
> > +++ b/kernel/irq/irq_sim.c
> > @@ -25,10 +25,22 @@ static void irq_sim_irqunmask(struct irq_data *data)
> >       irq_ctx->enabled = true;
> >  }
> >
> > +static int irq_sim_set_type(struct irq_data *data, unsigned int type)
> > +{
> > +     /* We only support rising and falling edge trigger types. */
> > +     if (type & ~IRQ_TYPE_EDGE_BOTH)
> > +             return -EINVAL;
> > +
> > +     irqd_set_trigger_type(data, type);
> > +
> > +     return 0;
> > +}
> > +
> >  static struct irq_chip irq_sim_irqchip = {
> >       .name           = "irq_sim",
> >       .irq_mask       = irq_sim_irqmask,
> >       .irq_unmask     = irq_sim_irqunmask,
> > +     .irq_set_type   = irq_sim_set_type,
> >  };
> >
> >  static void irq_sim_handle_irq(struct irq_work *work)
>
> Acked-by: Marc Zyngier <marc.zyngier@....com>
>

Thanks you! If you don't mind, I'll send this together with other
patches directly to Linus Walleij.

Bartosz