linux-kernel - Re: [RFC PATCHv2 1/4] drivers/otp: add initial support for OTP memory

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Date:	Sat, 26 Mar 2011 21:51:46 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Mike Frysinger <vapier@...too.org>
Cc:	Jamie Iles <jamie@...ieiles.com>, linux-kernel@...r.kernel.org,
	gregkh@...e.de
Subject: Re: [RFC PATCHv2 1/4] drivers/otp: add initial support for OTP memory

On Saturday 26 March 2011 18:55:39 Mike Frysinger wrote:
> >> i would add an ABI field here too so if in the future we want to add
> >> stuff, we can do so without adding new ioctls.  like "u16 version; u16
> >> flags;".  then in the ioctl, if version isnt 0, we return ENOTSUP.  in
> >> the future, we can add flags or bump the version.
> >
> > No, versioned APIs are just a pain to maintain, it's easier to add
> > new ioctl commands when necessary.
> > Note that the kernel would always have to support all versions of
> > the API anyway.
> 
> adding at least a flags field then should be fine

Fine with me, if you can name at least one possible use for a flag.

I think it would be better without a flags field, but it's not a
problem if you insist on having it.

	Arnd
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