On Thu, Aug 28, 2014 at 10:17:58AM +0100, Mark Rutland wrote:rk3288 has low power state and may turn off the cpu power domain
Hi Kever,To clarify: if there are low power states that the CPU can enter where
On Thu, Aug 28, 2014 at 02:40:17AM +0100, Kever Yang wrote:
We need use the hrtimer, which need the arch-timer to be 'always-on'I asked a question on the last posting . Can you please confirm
we lose state, then this patch isn't correct.
I'll going to implement this and send another patch.
A more general approach would be to enable the broadcast hrtimer for
arm, as has been done for arm64.
See commit 5d1638acb9f6 (tick: Introduce hrtimer based broadcast) which
introduced the broadcast hrtimer, and commit 9358d755bd5c (arm64:
kernel: initialize broadcast hrtimer based clock event device) which
added the requisite plumbing for arm64.