Re: mmotm 2008-12-03-01-50 uploaded (sdhci)

[Pierre Ossman <drzeus@drzeus.cx>]

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On Mon, 15 Dec 2008 12:03:23 -0800
Randy Dunlap <randy.dunlap@oracle.com> wrote:

> 
> Hi Pierre,
> 
> If I change the last line above to
> 	&& defined(CONFIG_MMC_SDHCI_MODULE)
> then it builds OK.  Using !defined still has build errors...
> and I think that my small change is also correct.
> 

Indeed. My bad.

> However, I'd prefer to see this done with Kconfig and then use
> empty stubs for the functions that wouldn't be called.
> 

I don't like using Kconfig as a way to clean up the code. But if people
would like the ability to compile out this functionality, then that's
another matter. I have no seen any such requests though.

> 
> I think that you should audit the other uses of
> #if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> 
> in sdhci.c as well.
> 

Right. I'll queue up a cleaned up version.

> Also, in sdhci_add_host(), why is the call to free_irq() inside the
> CONFIG_LEDS block:
> 
> #if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> reset:
> 	sdhci_reset(host, SDHCI_RESET_ALL);
> 	free_irq(host->irq, host);
> #endif
> 

Because without the leds class registration, there is no failure mode
that requires freeing the interrupt.

Rgds
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     -- Pierre Ossman

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