netdev - Re: [PATCH v3 1/2] gpio: mlxbf2: Introduce IRQ support

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Message-ID: <YVHQQcv2M6soJR6u@lunn.ch>
Date:   Mon, 27 Sep 2021 16:08:01 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Asmaa Mnebhi <asmaa@...dia.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "David S. Miller" <davem@...emloft.net>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        David Thompson <davthompson@...dia.com>
Subject: Re: [PATCH v3 1/2] gpio: mlxbf2: Introduce IRQ support

> The BlueField GPIO HW only support Edge interrupts.

O.K. So please remove all level support from this driver, and return
-EINVAL if requested to do level.

This also means, you cannot use interrupts with the Ethernet PHY. The
PHY is using level interrupts.

    Andrew