linux-kernel - Re: [RFE PATCH 2/2] rtc, add write functionality to sysfs

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Date:	Thu, 28 Feb 2013 09:50:24 -0500
From:	Prarit Bhargava <prarit@...hat.com>
To:	Alessandro Zummo <a.zummo@...ertech.it>
CC:	John Stultz <john.stultz@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"x86@...nel.org" <x86@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...ux.intel.com>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>
Subject: Re: [RFE PATCH 2/2] rtc, add write functionality to sysfs



On 02/25/2013 09:58 AM, Alessandro Zummo wrote:
> On Sun, 24 Feb 2013 12:03:01 -0500
> Prarit Bhargava <prarit@...hat.com> wrote:
> 
>>
>> AFAICT there is no way for me to "test" or use the write from userspace.
>> hwclock uses the SET_TIME ioctl, which is a different code path AFAICT.
>>
>> I'd like to be at least able to test this stuff when we make changes to it so I
>> think having write functionality for date & time is worthwhile.
>>
>> For me, I'm using these to heavily test ntp and ntpdate over system reboots.
> 
>  the point is: who will benefit from this patch? users? distributions?
>  embedded distributions? if it's useful, then just go for it.

This can be dropped IMO.

P.

> 
> 
>> OOC, Alessandro, why is the date & time split into two fields?
> 
>  because date and time are two different things and we expect
>  sysfs to preferably have one value for each entry.
> 
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