Subject: Re: proposal for changes to todr interface
To: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
From: Garrett D'Amore <garrett_damore@tadpole.com>
List: tech-kern
Date: 09/06/2006 12:46:14
David Laight wrote:
> On Thu, Sep 07, 2006 at 03:51:17AM +0900, Izumi Tsutsui wrote:
>   
>> thorpej@shagadelic.org wrote:
>>
>>     
>>> Yah, device_register() could set a "todr-use-localtime" property to  
>>> <true/> or <false/>, and MI drivers could query that.
>>>       
>> A bit off topic, but I wonder if we could pass a rtc_offset info
>> from bootloader (which could set the value by installboot or
>> from some config file) so that we don't have to recompile or
>> modify kernels only for options RTC_OFFSET.
>> (for people who don't like rtclocaltime in rc.conf ;-p)
>>     
>
> rc.conf is a bit late, maybe the kernel could take it directly from
> a file (or symlink) in the root filesystem.
>
> The problem with having the rtc set to localtime is that you have to
> change the RTC_OFFSET option (at least) twice a year.
> Doing that by modifying the bootblocks doesn't seem sensible!
>   

Agreed.  Windows does this by keeping track and updating when it occurs.

    -- Garrett
> 	David
>
>   


-- 
Garrett D'Amore, Principal Software Engineer
Tadpole Computer / Computing Technologies Division,
General Dynamics C4 Systems
http://www.tadpolecomputer.com/
Phone: 951 325-2134  Fax: 951 325-2191