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

From: Alessandro Zummo
Date: Sat Feb 23 2013 - 18:20:34 EST

On 22/feb/2013, at 22:05, John Stultz <john.stultz@xxxxxxxxxx> wrote:

> On 02/22/2013 12:55 PM, Prarit Bhargava wrote:
>> On 02/22/2013 03:43 PM, John Stultz wrote:
>>> On 02/14/2013 09:02 AM, Prarit Bhargava wrote:
>>>> /sys/class/rtc/rtcX/date and /sys/class/rtc/rtcX/time currently have
>>>> read-only access. This patch introduces write functionality which will
>>>> set the rtc time.
>>>> Usage: echo YYYY-MM-DD > /sys/class/rtc/rtcX/date
>>>> echo HH:MM:SS > /sys/class/rtc/rtcX/time
>>> Why do we want to add a new interface here?
>> John,
>> I'm not adding a new interface. The current date/time interface only handles
>> read and I'm introducing write.
> Right, but what benefit does that provide?
> (I'm not saying there isn't any, its just not clear from your patch why this is a good thing.)
> Also CC'ing Alessandro for his input.

I'd like to keep the interfaces as simple as possible but I'm open to improvements if there are good use cases.

Best regards,
Alessandro Zummo
Tower Technologies--
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