Re: [PATCH] clockevents: Add (missing) default case for switch blocks

From: Ingo Molnar
Date: Mon Feb 23 2015 - 11:37:21 EST



* Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:

> On 20 February 2015 at 19:34, Ingo Molnar
> <mingo@xxxxxxxxxx> wrote:
> >
> > * Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
>
> >> Unused. Initially all clockevent devices are supposed
> >> to be in this mode but later if another device
> >> replaces an existing one, the existing one is put into
> >> this mode.
> >
> > I'd suggest to rename it to MODE_INIT - at first glance
> > it gave me the impression that it's some sort of API
> > placeholder - i.e. an unused flag or so.
>
> Sorry, if I wasn't able to clarify this earlier. The
> impression you got at first glance is correct. And it
> should be UNUSED only instead of INIT. Its not about if
> the the device is initialized or not, but if it is used
> or not. And that's why there is no callback for this in
> the new per-mode callbacks.

Ok, could we rename it to something like DETACHED?

'UNUSED' really gives me the wrong impression - it's what
we do for unused fields, unused ABI enumertion constants,
etc.

> > Also, I'd suggest to rename all 'modes' to true state
> > machine naming: STATE_INITIALIZED, STATE_SHUT_DOWN,
> > STATE_PERIODIC, STATE_RESUMED, etc.: if these are enums
> > for
>
> I thought so initially and it looked like the diff will
> be huge as all the variables for the enum, i.e. 'mode',
> need to be renamed to 'state'..
>
> But, if you are okay with it then I would be happy to do
> that..

Well, how does the diffstat look like?

But if the conversion was scripted (i.e. is relatively
secure from typos) then that's still fine IMO. Peter?

Thanks,

Ingo
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