Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <20200324135328.5796-1-geert+renesas@glider.be>
 <20200324135653.6676-1-geert+renesas@glider.be> <20200324135653.6676-5-geert+renesas@glider.be>
In-Reply-To: <20200324135653.6676-5-geert+renesas@glider.be>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Fri, 27 Mar 2020 22:37:22 +0100
Message-ID: <CACRpkda8Uc7fDbV8EsG+EpDGw35-k+9-U7njhaaQVvhY5rwmcg@mail.gmail.com>
Subject: Re: [PATCH v6 5/8] gpiolib: Introduce gpiod_set_config()
To:     Geert Uytterhoeven <geert+renesas@glider.be>
Cc:     Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Harish Jenny K N <harish_kandiga@mentor.com>,
        Eugeniu Rosca <erosca@de.adit-jv.com>,
        Alexander Graf <graf@amazon.com>,
        Peter Maydell <peter.maydell@linaro.org>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Phil Reid <preid@electromag.com.au>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Christoffer Dall <christoffer.dall@arm.com>,
        Magnus Damm <magnus.damm@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        Linux Doc Mailing List <linux-doc@vger.kernel.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        QEMU Developers <qemu-devel@nongnu.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Tue, Mar 24, 2020 at 2:57 PM Geert Uytterhoeven
<geert+renesas@glider.be> wrote:

> The GPIO Aggregator will need a method to forward a .set_config() call
> to its parent gpiochip.  This requires obtaining the gpio_chip and
> offset for a given gpio_desc.  While gpiod_to_chip() is public,
> gpio_chip_hwgpio() is not, so there is currently no method to obtain the
> needed GPIO offset parameter.
>
> Hence introduce a public gpiod_set_config() helper, which invokes the
> .set_config() callback through a gpio_desc pointer, like is done for
> most other gpio_chip callbacks.
>
> Rewrite the existing gpiod_set_debounce() helper as a wrapper around
> gpiod_set_config(), to avoid duplication.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> v6:
>   - New.

Patch applied in preparation for the next kernel cycle
so we get Geert's patch stack down.

Yours,
Linus Walleij