linux-kernel - Re: [PATCH v4 3/7] gpio: pcie-idio-24: Implement get_multiple/set

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Message-ID: <CACRpkdYtxbX3iW4hx7=xDvY7jWSue894mLvUDA9zHrB-8zufew@mail.gmail.com>
Date:   Mon, 26 Mar 2018 10:25:54 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/7] gpio: pcie-idio-24: Implement get_multiple/set_multiple
 callbacks

On Thu, Mar 22, 2018 at 2:00 PM, William Breathitt Gray
<vilhelm.gray@...il.com> wrote:

> The ACCES I/O PCIe-IDIO-24 series of devices provides 24
> optically-isolated digital I/O accessed via six 8-bit ports. Since eight
> input lines are acquired on a single port input read -- and similarly
> eight output lines are set on a single port output write -- the
> PCIe-IDIO-24 GPIO driver may improve multiple I/O reads/writes by
> utilizing a get_multiple/set_multiple callbacks. This patch implements
> the idio_24_gpio_get_multiple function which serves as the respective
> get_multiple callback, and implements the idio_24_gpio_set_multiple
> function which serves as the respective set_multiple callback.
>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>

Patch applied.

Yours,
Linus Walleij