lkml.org 
[lkml]   [2018]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v9 06/11] cpuidle: dt: Support hierarchical CPU idle states
On Wed, Oct 03, 2018 at 04:38:19PM +0200, Ulf Hansson wrote:
> From: Lina Iyer <lina.iyer@linaro.org>
>
> Currently CPU's idle states are represented in a flattened model, via the
> "cpu-idle-states" binding from within the CPU's device nodes.
>
> Support the hierarchical layout during parsing and validating of the CPU's
> idle states. This is simply done by calling the new OF helper,
> of_get_cpu_state_node().
>
> Cc: Lina Iyer <ilina@codeaurora.org>
> Suggested-by: Sudeep Holla <sudeep.holla@arm.com>
> Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
> Co-developed-by: Ulf Hansson <ulf.hansson@linaro.org>
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
> drivers/cpuidle/dt_idle_states.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c
> index 53342b7f1010..13f9b7cd32d1 100644
> --- a/drivers/cpuidle/dt_idle_states.c
> +++ b/drivers/cpuidle/dt_idle_states.c
> @@ -118,8 +118,7 @@ static bool idle_state_valid(struct device_node *state_node, unsigned int idx,
> for (cpu = cpumask_next(cpumask_first(cpumask), cpumask);
> cpu < nr_cpu_ids; cpu = cpumask_next(cpu, cpumask)) {
> cpu_node = of_cpu_device_node_get(cpu);

We can get rid of above and the of_node_put below if we move this into
of_get_cpu_state_node as suggested in earlier patch.

Apart from these, I don't see any issues with the subset unless there
are users for these. I will dig the v8 and comment.

--
Regards,
Sudeep

\
 
 \ /
  Last update: 2018-10-10 17:04    [W:0.124 / U:2.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site