From: Clemens Ladisch <clemens@ladisch.de>
To: Muni Sekhar <munisekharrms@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: character driver - poll() timeout
Date: Tue, 27 Oct 2015 16:18:06 +0100 [thread overview]
Message-ID: <562F95AE.9030904@ladisch.de> (raw)
In-Reply-To: <CAHhAz+i1-UCk4jUz3+m1=59276xHYw-tgxe=D-1Cm4cOQT1V-g@mail.gmail.com>
Muni Sekhar wrote:
> On Tue, Oct 27, 2015 at 1:41 PM, Clemens Ladisch <clemens@ladisch.de> wrote:
>> Muni Sekhar wrote:
>>> Is it possible to print the timeout value in character driver poll() API?
>>
>> No. Your driver's poll callback never waits.
>>
>> Why do you think you need this value?
>
> I need to find out when exactly driver's poll callback returned timeout.
Your poll callback _cannot_ return a timeout.
Why do you think you need this information for?
Regards,
Clemens
next prev parent reply other threads:[~2015-10-27 15:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-27 6:54 character driver - poll() timeout Muni Sekhar
2015-10-27 8:11 ` Clemens Ladisch
2015-10-27 14:56 ` Muni Sekhar
2015-10-27 15:18 ` Clemens Ladisch [this message]
2015-10-28 6:41 ` Muni Sekhar
2015-10-28 7:24 ` Clemens Ladisch
2015-10-28 10:15 ` Muni Sekhar
2015-10-27 15:20 ` Richard Weinberger
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