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SubjectRe: [PATCH RFC] clk: add support for automatic parent handling
On Thu, Apr 21, 2011 at 12:33:49PM +0200, Thomas Gleixner wrote:
> On Wed, 20 Apr 2011, Saravana Kannan wrote:
> > On 04/20/2011 12:52 PM, Thomas Gleixner wrote:
> > > 2) The "framework" API is just a set of low level primitive helper
> > > functions
> > >
> > > It lacks:
> > >
> > > - proper refcounting. clk_get() / clk_put() should do that at the
> > > framework level.
> >
> > This has nothing to do with the patches Jeremy made. clk_get()/_put() is in
> > clkdev. Also, I'm not sure if clk_get()/put() needs refcounting. That's like
> > asking kalloc/kfree to have refcounting.
>
> Ok. I missed the clkdev part.

well... just look at this:

-> git grep __clk_get
arch/arm/mach-bcmring/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-davinci/include/mach/clkdev.h:static inline int __clk_get(struct clk *clk)
arch/arm/mach-ep93xx/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-integrator/include/mach/clkdev.h:static inline int __clk_get(struct clk *clk)
arch/arm/mach-lpc32xx/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-mmp/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-msm/include/mach/clkdev.h:static inline int __clk_get(struct clk *clk) { return 1; }
arch/arm/mach-mxs/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-nomadik/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-nuc93x/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-pnx4008/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-pxa/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-realview/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-shmobile/clock.c:int __clk_get(struct clk *clk)
arch/arm/mach-shmobile/clock.c:EXPORT_SYMBOL(__clk_get);
arch/arm/mach-shmobile/include/mach/clkdev.h:int __clk_get(struct clk *clk);
arch/arm/mach-tegra/include/mach/clkdev.h:static inline int __clk_get(struct clk *clk)
arch/arm/mach-u300/clock.c:int __clk_get(struct clk *clk)
arch/arm/mach-u300/clock.c:EXPORT_SYMBOL(__clk_get);
arch/arm/mach-u300/include/mach/clkdev.h:int __clk_get(struct clk *clk);
arch/arm/mach-ux500/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-versatile/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-vexpress/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/mach-w90x900/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/plat-mxc/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/plat-omap/include/plat/clkdev.h:static inline int __clk_get(struct clk *clk)
arch/arm/plat-spear/include/plat/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/plat-stmp3xxx/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/arm/plat-tcc/include/mach/clkdev.h:#define __clk_get(clk) ({ 1; })
arch/sh/include/asm/clkdev.h:#define __clk_get(clk) ({ 1; })
drivers/clk/clkdev.c: if (clk && !__clk_get(clk))




--
torben Hohn


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