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From: Alessandro Zummo <alessandro.zummo@towertech.it>
To: wizant.keidel@online.de
Cc: p_gortmaker@yahoo.com, linux-kernel@vger.kernel.org
Subject: Re: RTC-driver kernel 2.6.xxx missing Symbols
Date: Mon, 1 Jun 2009 16:36:09 +0200	[thread overview]
Message-ID: <20090601163609.096e4129@i1501.lan.towertech.it> (raw)
In-Reply-To: <4A23D43B.3030900@online.de>

On Mon, 01 Jun 2009 15:14:35 +0200
Juergen Keidel <wizant.keidel@online.de> wrote:

> ello,
> The actual kernel has a new reworked rtc driving system. before, I think
> 2.6.5, the driver was rtc (rtc.c in drivers/char from  Paul Gortmaker,
> which exported the function rtc_control, rtc_register, rtc_unregister.
> These functions are very useful for drivers wich need acces to the rtc.
> The new rtc-system (rtc-cmos) is missing these functions.
> As I found out, some drivers especially within the sound area are using
> the functionality, so they won't load anymore!
> (sound/core/rtctimer.c)
> Is there a way around with the new system or is it planned to reactivate
> these functionality.

 There's an equivalent functionality which allows any in-kernel user to register
 and receive timing interrupts.

 That said, I think it would be better to use other timing sources.

 Except rtctimer.c, which other driver is using it? When I searched for it,
 rtctimer was the only user and I believe its usage is not widespread.

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it


      reply	other threads:[~2009-06-01 14:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-01 13:14 RTC-driver kernel 2.6.xxx missing Symbols Juergen Keidel
2009-06-01 14:36 ` Alessandro Zummo [this message]

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