linux-kernel - Re: [PATCH 1/2] irq/irq_sim: provide irq_sim_fire

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Date:   Fri, 30 Nov 2018 23:26:25 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Marc Zyngier <marc.zyngier@....com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 1/2] irq/irq_sim: provide irq_sim_fire_edge()

On Thu, Nov 29, 2018 at 7:14 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:

> Thomas, Linus: after commit fa38869b0161 ("gpiolib: Don't support irq
> sharing for userspace") some libgpiod tests are failing because we can
> no longer depend on reading the value of a dummy GPIO after detecting
> an interrupt to know the edge of the interrupt. While these interrupts
> are triggered from debugfs and debugfs is not required to maintain
> compatibility, I thing having a working test suite for the GPIO
> subsystem and uAPI is worth applying these two patches and also the
> previous one[1].
>
> Can we have them applied for 4.20 or are there any objections?

I'm fine with applying them if I can just get an ACK from one of the IRQ
maintainers (Thomas, Marc).

Yours,
Linus Walleij