[PATCH 02/11] mmc: omap: add clk_prepare and clk_unprepare

Paul Walmsley
2012-06-25T06:18:50Z

On Mon, 25 Jun 2012, Rajendra Nayak wrote:

> On Saturday 23 June 2012 12:04 AM, Paul Walmsley wrote:
> > On Fri, 22 Jun 2012, S, Venkatraman wrote:
> >
> > > On Fri, Jun 22, 2012 at 7:18 PM, Rajendra Nayak<rnayak@ti.com> wrote:
> > > > In preparation of OMAP moving to Common Clk Framework(CCF) add
> > > > clk_prepare()
> > > > and clk_unprepare() for the mmc and hsmmc clocks as part of the drivers
> > > > probe() and remove() routines.
> > > >
> > > > Signed-off-by: Rajendra Nayak<rnayak@ti.com>
> > > > Cc: Chris Ball<cjb@laptop.org>
> > > > Cc: Balaji T K<balajitk@ti.com>
> > > > Cc:<linux-mmc@vger.kernel.org>
> > >
> > > Rajendra,
> > > Can this be applied independently, or does this patch have a
> > > dependency on other patches in the series ?
> >
> > A better way to handle this one would be to convert the driver to runtime
> > PM. That needs to be done anyway.
>
> Well, mmc driver is already using runtime PM. But it still using clock
> apis' to deal with some optional debounce clock needed only on 2430.

drivers/mmc/host/omap.c, which is what this patch changes, has not yet
been converted to use runtime PM in mainline.

This is a driver for the MSDI IP block which is not available on 2430.

- Paul