Re: [PATCH 04/10] ARM: OMAP2: Remove OMAP_PRM_REGADDR, OMAP_CM_REGADDR

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Hi Russell,

I've been on holiday, hence the delayed E-mail.

On Mon, 27 Oct 2008, Russell King - ARM Linux wrote:

> If I take this further, and detect clocks which result in
> omap2_clk_wait_ready() being called, but we don't have a corresponding
> [if]ck, I see at least these four warnings:
> 
> CLK: omapctrl_ick.0: no other_clk but asked to wait_ready
> CLK: sdrc_ick.0: no other_clk but asked to wait_ready
> CLK: dpll4_m2x2_ck.0: no other_clk but asked to wait_ready
> CLK: omap_32ksync_ick.0: no other_clk but asked to wait_ready
> 
> So, presumably these ick clocks don't have corresponding fck clocks,
> which means checking the fck register for the bit would be wrong?

Yes, that's right.  

> So, here's the question: should any of the above clocks result in
> omap2_wait_clock_ready() being called?  If the answer is no, that's
> great.  If yes, are there missing clk structures for OMAP3?

No, omap2_wait_clock_ready() shouldn't be called for those clocks.  The 
current linux-omap git head does not call omap2_wait_clock_ready() in 
these cases, as far as I know.


- Paul
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