[PATCH 1/3] ARM: OMAP2+: 32k-counter: Use hwmod lookup to check presence of 32k timer
Kevin Hilman
khilman at ti.com
Mon Jan 23 18:38:50 EST 2012
Vaibhav Hiremath <hvaibhav at ti.com> writes:
> OMAP device has 32k-sync timer which is currently used as a
> clocksource in the kernel (omap2plus_defconfig).
> The current implementation uses compile time selection between
> gp-timer and 32k-sync timer, which breaks multi-omap build for
> the devices like AM33xx, where 32k-sync timer is not available.
>
> So use hwmod database lookup mechanism, through which at run-time
> we can identify availability of 32k-sync timer on the device,
> else fall back to gp-timer.
With the runtime detection & fallback, I suggest also removing the
Kconfig choice between the two as well.
Kevin
More information about the linux-arm-kernel
mailing list