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SubjectRe: [PATCH] clocksource: dw_apb_timer_of: support timer-based delay
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On Monday 02 November 2015 09:48:38 Daniel Lezcano wrote:
> If I follow the logic of arch_arm_timer is better than dw_apb timer.
>
> 1. The arch_arm_timer is present
>
> => dw_apb timer is not used at all
>
> CONFIG_ARM_ARCH_TIMER=y
> # CONFIG_DW_APB_TIMER is not set
>
> 2. The arch_arm_timer is *not* present
>
> => dw_apb_timer is used with delay code
>
> # CONFIG_ARM_ARCH_TIMER is not set
> CONFIG_DW_APB_TIMER=y
>
> In both cases, DW_APB_TIMER_BASED_DELAY is not needed.
>

This still has the same problem that running a multi_v7_defconfig
kernel or a binary distro kernel will always enable both. We really
want to have a good run-time decision, not compile-time.

Arnd


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