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From:   Mathieu Othacehe <m.othacehe@gmail.com>
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     Jonathan Cameron <jic23@kernel.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald <pmeerw@pmeerw.net>,
        linux-iio <linux-iio@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 2/4] iio: vcnl4000: Add event support for VCNL4010/20.
References: <20200421075532.19192-1-m.othacehe@gmail.com>
        <20200421075532.19192-3-m.othacehe@gmail.com>
        <CAHp75Veqp=tb0Z9h2cey5DE_KpNBp3Jdmh2gLzSoo-N5CsGpvw@mail.gmail.com>
Date:   Wed, 22 Apr 2020 10:02:11 +0200
In-Reply-To: <CAHp75Veqp=tb0Z9h2cey5DE_KpNBp3Jdmh2gLzSoo-N5CsGpvw@mail.gmail.com>
        (Andy Shevchenko's message of "Tue, 21 Apr 2020 14:24:30 +0300")
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Hello Andy,

>> +               ret = devm_request_threaded_irq(&client->dev, client->irq,
>> +                                               NULL, vcnl4010_irq_thread,
>> +                                               IRQF_TRIGGER_FALLING |
>
>> +                                               IRQF_ONESHOT,
>
> Isn't it by default when threaded IRQ is asked with NULL for hw handler?

No, and it fails with this error message if IRQF_ONESHOT is not set:

pr_err("Threaded irq requested with handler=NULL and !ONESHOT for %s (irq %d)\n",

Thanks,

Mathieu