[PATCH v7 1/3] Documentation: common clk API

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Mar 21 19:56:56 UTC 2012


On Wed, Mar 21, 2012 at 12:41:41PM -0700, Saravana Kannan wrote:
> On 03/21/2012 12:33 PM, Tony Lindgren wrote:
> >* Mark Brown<broonie at opensource.wolfsonmicro.com>  [120321 12:11]:

> >>These aren't new APIs, the clock API has been around since forever.

> I disagree. When I say clock API, I mean the actual functions and
> their semantics. Not the existence of a header file.

> The meaning of clk_enable/disable has been changed and they won't
> work without calling clk_prepare/unprepare. So, these are definitely
> new APIs. If it weren't new APIs, then none of the general drivers
> would need to change.

clk_prepare() and clk_unprepare() are already there for any clk.h user
and are stubbed in no matter what, they're really not a meaningful
barrier here.
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