Re: character driver - poll() timeout

From: Clemens Ladisch
Date: Tue Oct 27 2015 - 11:18:14 EST


Muni Sekhar wrote:
> On Tue, Oct 27, 2015 at 1:41 PM, Clemens Ladisch <clemens@xxxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/