[PATCH 4/4] media: mx2_camera: Fix clock handling for i.MX27.

[s.hauer@pengutronix.de (Sascha Hauer)]

Hi Guennadi,

On Tue, Jul 31, 2012 at 05:14:25PM +0200, Guennadi Liakhovetski wrote:
> Hi Javier
> 
> > @@ -436,7 +436,8 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev)
> >  {
> >  	unsigned long flags;
> >  
> > -	clk_disable(pcdev->clk_csi);
> > +	if (cpu_is_mx27())
> > +		clk_disable_unprepare(pcdev->clk_csi);
> 
> This tells me, there are already 2 things going on here:
> 
> 1. add clock-(un)prepare operations to enable / disable. Is this a problem 
> atm? is the driver non-functional without this change or is it just an API 
> correctness change? I thought you replied to this already, but 
> unfortunately I couldn't find that your reply again, sorry.

Since the common clock framework clk_prepare is mandatory.

Sascha

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