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