From: Jiri Slaby <jirislaby@gmail.com>
To: Mockern@yandex.ru
Cc: linux-kernel@vger.kernel.org
Subject: Re: Question: 20 microseconds delay
Date: Sat, 03 Mar 2007 15:32:02 +0100 [thread overview]
Message-ID: <45E986E2.3010203@gmail.com> (raw)
In-Reply-To: <45E98415.000002.30135@webmail9.yandex.ru>
Mockern napsal(a):
> Hi,
>
> I have a question.
>
> I need to use 20 microsecond delay in my driver.
> What exact jiffies value I should define to get 20 microseconds?
It's subjiffy delay unless you use 50000 HZ :). Use udelay.
regards,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
Hnus <hnus@fi.muni.cz> is an alias for /dev/null
next prev parent reply other threads:[~2007-03-03 14:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-03 14:20 Question: 20 microseconds delay Mockern
2007-03-03 14:32 ` Jiri Slaby [this message]
2007-03-03 14:46 ` Mockern
2007-03-03 14:52 ` Jiri Slaby
2007-03-03 14:33 ` Hans-Jürgen Koch
2007-03-03 14:47 ` Mockern
2007-03-03 21:02 ` Bill Davidsen
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