Re: [PATCH] alsa: add Beagleboard SoC configuration.

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Hi David,

On Fri, 3 Oct 2008, David Brownell wrote:

> On Tuesday 16 September 2008, Felipe Contreras wrote:
> > This is exactly the same as the overo configuration. It might make sense
> > to have them in a single one.
> 
> I got a hard lockup (no timer ticking), no blinkenlights, etc ...
> doesn't look like the issue is *this* driver.

...

> [ INFO: possible recursive locking detected ]
> 2.6.27-rc8-omap1 #174
> ---------------------------------------------
> aplay/1816 is trying to acquire lock:
>  (clockfw_lock){....}, at: [<c0036be4>] clk_enable+0x24/0x70
> 
> but task is already holding lock:
>  (clockfw_lock){....}, at: [<c0036be4>] clk_enable+0x24/0x70

Yeah, the code that's in that driver is broken.  The driver 
sets up a custom clk_enable() function that calls clk_enable() again.  And 
clk_enable() takes clockfw_lock.

The omap_clk_associate() code should resolve this problem.


- Paul
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