Re: [PATCH 0/9] rtc-2123: access the clock offset feature

From: Joshua Clayton
Date: Wed Nov 18 2015 - 19:25:23 EST

On Tuesday, November 17, 2015 05:25:30 PM Alexandre Belloni wrote:
> On 17/11/2015 at 07:30:48 -0800, Joshua Clayton wrote :
> > On Wednesday, November 04, 2015 07:36:31 AM Joshua Clayton wrote:
> > Any comments on this series?
> > I realize now that I submitted it during the merge window, so it may have been overlooked.
> >
> I will have a few comments but I didn't review everything thoroughly
> yet. As you mentioned, you submitted during the merge window so this was
> not going to be in 4.4 anyway.
I can relax since I know it is on your radar.
I have responded my self to a couple of fat fingers in the commit messages.
I am also in the process of testing the actual effects of the feature.

One thing I'm not sure I have adequately described (and didn't really
understand until I started testing) is that a positive value in the adjust
register increases the average value of a second, so it makes the clock
slower, while a negative adjustment makes it faster.

This was counterintuitive to me.
Not having deeply examined other rtc's with similar capabilities, I can't
say whether this is the norm.

~Joshua Clayton
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