Re: [PATCH -next] hid: fix hid-steelseries kconfig/build

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Hi Randy and all,
Seems like you found a problem... but the relevant sections of
'hid-steelseries.c' already have
--
#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
...
#endif
--

Shouldn't this prevent the module having calls to register/unregister if
the LED_CLASS is not enabled?

Does forcing a 'depends on LED_CLASS' in Kconfig prevent the
hid-steelseries module being built on systems without LEDs, or is this
simply a way to ensure that the LED_CLASS module gets loaded first?

Simon.

> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> Fix hid-steelseries build by making it depends on LEDS_CLASS.
> Build errors happen when LEDS_CLASS=m  and HID_STEELSERIES=y.
>
> drivers/built-in.o: In function `steelseries_srws1_remove':
> hid-steelseries.c:(.text+0x3b97a1): undefined reference to
> `led_classdev_unregister'
> drivers/built-in.o: In function `steelseries_srws1_probe':
> hid-steelseries.c:(.text+0x3b9c51): undefined reference to
> `led_classdev_register'
> hid-steelseries.c:(.text+0x3b9ce5): undefined reference to
> `led_classdev_register'
> hid-steelseries.c:(.text+0x3b9d4b): undefined reference to
> `led_classdev_unregister'
>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> ---
>  drivers/hid/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
>
> --- linux-next-20130501.orig/drivers/hid/Kconfig
> +++ linux-next-20130501/drivers/hid/Kconfig
> @@ -610,6 +610,7 @@ config HID_SPEEDLINK
>  config HID_STEELSERIES
>  	tristate "Steelseries SRW-S1 steering wheel support"
>  	depends on HID
> +	depends on LEDS_CLASS
>  	---help---
>  	Support for Steelseries SRW-S1 steering wheel
>
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