linux-kernel - Re: [PATCH v2] platform/x86: Add Driver to set up lid GPEs on MS Surface device

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Message-ID: <CAHp75Ve8jaYsecsQjuojrihyoVsYr7G011drmXN7q9yzt_tMnQ@mail.gmail.com>
Date:   Wed, 16 Sep 2020 20:26:56 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Barnabás Pőcze <pobrn@...tonmail.com>
Cc:     Maximilian Luz <luzmaximilian@...il.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Gayatri Kammela <gayatri.kammela@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] platform/x86: Add Driver to set up lid GPEs on MS
 Surface device

On Wed, Sep 16, 2020 at 2:58 AM Barnabás Pőcze <pobrn@...tonmail.com> wrote:

...

> > +             dev_err(dev, "failed to set GPE wake mask: %d\n", status);
>
> I'm not sure if it's technically safe to print acpi_status with the %d format
> specifier since 'acpi_status' is defined as 'u32' at the moment.
>  func("%lu", (unsigned long) status)
> would be safer.

Please, no explicit castings for printf(). In 99% cases it means that
something is not being used correctly.





-- 
With Best Regards,
Andy Shevchenko