linux-kernel - Re: [PATCH v2 3/9] irq/irq_sim: provide irq_sim_fire

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Date:   Tue, 29 Jan 2019 10:07:06 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <marc.zyngier@....com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v2 3/9] irq/irq_sim: provide irq_sim_fire_type()

Hello Bartosz,

On Tue, Jan 29, 2019 at 09:44:05AM +0100, Bartosz Golaszewski wrote:
> -void irq_sim_fire(struct irq_sim *sim, unsigned int offset)
> +void irq_sim_fire_type(struct irq_sim *sim,
> +		       unsigned int offset, unsigned int type)
>  {
>  	struct irq_sim_irq_ctx *ctx = irq_sim_get_ctx(sim, offset);
>  
> -	if (ctx->enabled) {
> +	/* Only care about relevant flags. */
> +	type &= IRQ_TYPE_SENSE_MASK;
> +
> +	if (ctx->enabled && (ctx->type & type)) {
>  		set_bit(offset, sim->work_ctx.pending);
>  		irq_work_queue(&sim->work_ctx.work);
>  	}
>  }
> -EXPORT_SYMBOL_GPL(irq_sim_fire);
> +EXPORT_SYMBOL_GPL(irq_sim_fire_type);

This looks better than the previous variant. I wonder if it would be
still more sensible to have type only in the mockup driver. But I don't
have the complete picture here and it might be easier this way.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |