Re: [PATCH -next] pwm: pca9685: Remove set but not used variable 'pwm'

[Uwe Kleine-König]

On Thu, Jun 06, 2019 at 11:11:11AM -0400, Sven Van Asbroeck wrote:
> I was able to test the patch [1] exclusion mechanism without access to actual
> hardware - by giving it a dummy regmap. See patch below.
> 
> Test cases (all via sysfs):
> 1. verify requested pwm cannot be requested as gpio
> 2. verify requested gpio cannot be requested as pwm
> 3. verify pwm "all LEDs" cannot be used if pwms/gpios in use
> 4. verify pwms/gpios cannot be requested if pwm "all LEDs" in use
> 
> All test cases ok.
>  Obviously, I could not test multi-threaded correctness.
> 
> [1] https://lkml.org/lkml/2019/6/4/1039

Is this patch still relevant? A patch similar to YueHaibing's one was
merged in the meantime but I guess the underlying problem is still
relevant. Sven, do you care enough to recheck and create a patch on top
of a more recent tree?

Best regards
Uwe

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