linux-kernel - Re: [PATCH v2 05/12] gpio: acpi: Synchronize acpi_find_gpio() and acpi_gpio

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Message-ID: <CACRpkdbZj4ktsSY2XcVnPb=O=UJMQWunHRj2BuCr9zEXtNVPyw@mail.gmail.com>
Date:   Mon, 29 May 2017 11:19:09 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Jagadish Krishnamoorthy <jagadish.krishnamoorthy@...el.com>
Subject: Re: [PATCH v2 05/12] gpio: acpi: Synchronize acpi_find_gpio() and acpi_gpio_count()

On Tue, May 23, 2017 at 7:03 PM, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:

> If we pass connection ID to the both functions and at the same time
> acpi_can_fallback_to_crs() returns false we will get different results,
> i.e. the number of GPIO resources returned by acpi_gpio_count() might be
> not correct.
>
> Fix this by calling acpi_can_fallback_to_crs() in acpi_gpio_count()
> before trying to fallback.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Tested-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Patch applied.

Yours,
Linus Walleij