On 05/08/2015 01:47 PM, Paul Bolle wrote:

On Fri, 2015-05-08 at 11:29 +0100, Lee Jones wrote:

quoted

Ah, you mean from menuconfig.  I almost forgot what that was. ;)

I can add a menu option, no problem.

It's not just menuconfig:
     $ grep -e CONFIG_ARCH_STI -e CONFIG_CLKSRC_ST_LPC .config
     CONFIG_ARCH_STI=3Dy
     CONFIG_CLKSRC_ST_LPC=3Dy
     CONFIG_CLKSRC_ST_LPC_TIMER_SCHED_CLOCK=3Dy
     $ vim .config
     $ grep -e CONFIG_ARCH_STI -e CONFIG_CLKSRC_ST_LPC .config
     CONFIG_ARCH_STI=3Dy
     # CONFIG_CLKSRC_ST_LPC is not set
     # CONFIG_CLKSRC_ST_LPC_TIMER_SCHED_CLOCK is not set
     $ make ARCH=3Darm silentoldconfig
     scripts/kconfig/conf  --silentoldconfig Kconfig
     #
     # configuration written to .config
     #
     $ grep -e CONFIG_ARCH_STI -e CONFIG_CLKSRC_ST_LPC .config
     CONFIG_ARCH_STI=3Dy
     CONFIG_CLKSRC_ST_LPC=3Dy
     CONFIG_CLKSRC_ST_LPC_TIMER_SCHED_CLOCK=3Dy

So I think that, if you want to be able to set
CLKSRC_ST_LPC_TIMER_SCHED_CLOCK to 'n' even though CLKSRC_ST_LPC is 'y',
you need to add a prompt. Or have you found a way around this?

The general policy is to have non-prompted options in the clocksource's=20
Kconfig and let the platform's config to select the right components.


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