[PATCH 1/2] ARM: clk: imx: add a new helper which can re-parent the clock

[b32955@freescale.com (Huang Shijie)]

On Mon, May 26, 2014 at 04:01:21PM +0800, Shawn Guo wrote:
> On Mon, May 26, 2014 at 01:20:32PM +0800, Huang Shijie wrote:
> > The clocks for Quadspi controller may be different when different
> > NOR flashes are connected to the board.
> > 
> > This patch adds a new helper to register the clock which needs the
> > re-parent capability.
> > 
> > Signed-off-by: Huang Shijie <b32955@freescale.com>
> 
> So what you need is to register a mux clock without
> CLK_SET_RATE_NO_REPARENT flag, right?
yes.

Without this fixed flag, I can pass the CLK_SET_RATE_PARENT in the "flags".


> 
> I'm think about just dropping the flag from imx_clk_mux() and
> imx_clk_mux_flags(), since this is the default behavior of basic mux
> clock, and I doubt dropping the flag will cause problem for mux clocks
> on i.MX.
this is what i was worry about.

So i do not change the imx_clk_mux/imx_clk_mux_flags, and add new helper which
has the minimum impact to the current code.

thanks
Huang Shijie