From: Ulf Hansson <ulf.hansson@linaro.org> To: "Rafael J . Wysocki" <rjw@rjwysocki.net>, Daniel Lezcano <daniel.lezcano@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Mark Rutland <mark.rutland@arm.com>, Lina Iyer <ilina@codeaurora.org>, linux-pm@vger.kernel.org Cc: Rob Herring <robh+dt@kernel.org>, Vincent Guittot <vincent.guittot@linaro.org>, Stephen Boyd <sboyd@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Kevin Hilman <khilman@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Lina Iyer <lina.iyer@linaro.org> Subject: [PATCH 05/13] cpuidle: dt: Support hierarchical CPU idle states Date: Thu, 10 Oct 2019 13:39:29 +0200 [thread overview] Message-ID: <20191010113937.15962-6-ulf.hansson@linaro.org> (raw) In-Reply-To: <20191010113937.15962-1-ulf.hansson@linaro.org> From: Lina Iyer <lina.iyer@linaro.org> Currently CPU's idle states are represented using the flattened model. Let's add support for the hierarchical layout, via converting to use of_get_cpu_state_node(). Suggested-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Reviewed-by: Daniel Lezcano <daniel.lezcano@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 d06d21a9525d..252f2a9686a6 100644 --- a/drivers/cpuidle/dt_idle_states.c +++ b/drivers/cpuidle/dt_idle_states.c @@ -111,8 +111,7 @@ 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); - curr_state_node = of_parse_phandle(cpu_node, "cpu-idle-states", - idx); + curr_state_node = of_get_cpu_state_node(cpu_node, idx); if (state_node != curr_state_node) valid = false; @@ -170,7 +169,7 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, cpu_node = of_cpu_device_node_get(cpumask_first(cpumask)); for (i = 0; ; i++) { - state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i); + state_node = of_get_cpu_state_node(cpu_node, i); if (!state_node) break; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Ulf Hansson <ulf.hansson@linaro.org> To: "Rafael J . Wysocki" <rjw@rjwysocki.net>, Daniel Lezcano <daniel.lezcano@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Mark Rutland <mark.rutland@arm.com>, Lina Iyer <ilina@codeaurora.org>, linux-pm@vger.kernel.org Cc: Ulf Hansson <ulf.hansson@linaro.org>, Kevin Hilman <khilman@kernel.org>, Stephen Boyd <sboyd@kernel.org>, linux-arm-msm@vger.kernel.org, Bjorn Andersson <bjorn.andersson@linaro.org>, Rob Herring <robh+dt@kernel.org>, Lina Iyer <lina.iyer@linaro.org>, linux-arm-kernel@lists.infradead.org Subject: [PATCH 05/13] cpuidle: dt: Support hierarchical CPU idle states Date: Thu, 10 Oct 2019 13:39:29 +0200 [thread overview] Message-ID: <20191010113937.15962-6-ulf.hansson@linaro.org> (raw) In-Reply-To: <20191010113937.15962-1-ulf.hansson@linaro.org> From: Lina Iyer <lina.iyer@linaro.org> Currently CPU's idle states are represented using the flattened model. Let's add support for the hierarchical layout, via converting to use of_get_cpu_state_node(). Suggested-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Reviewed-by: Daniel Lezcano <daniel.lezcano@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 d06d21a9525d..252f2a9686a6 100644 --- a/drivers/cpuidle/dt_idle_states.c +++ b/drivers/cpuidle/dt_idle_states.c @@ -111,8 +111,7 @@ 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); - curr_state_node = of_parse_phandle(cpu_node, "cpu-idle-states", - idx); + curr_state_node = of_get_cpu_state_node(cpu_node, idx); if (state_node != curr_state_node) valid = false; @@ -170,7 +169,7 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, cpu_node = of_cpu_device_node_get(cpumask_first(cpumask)); for (i = 0; ; i++) { - state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i); + state_node = of_get_cpu_state_node(cpu_node, i); if (!state_node) break; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-10-10 11:40 UTC|newest] Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-10 11:39 [PATCH 00/13] cpuidle: psci: Support hierarchical CPU arrangement Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-10 11:39 ` [PATCH 01/13] cpuidle: psci: Fix potential access to unmapped memory Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-18 9:38 ` Lorenzo Pieralisi 2019-10-18 9:38 ` Lorenzo Pieralisi 2019-10-18 9:51 ` Ulf Hansson 2019-10-18 9:51 ` Ulf Hansson 2019-10-18 10:03 ` Lorenzo Pieralisi 2019-10-18 10:03 ` Lorenzo Pieralisi 2019-10-18 10:29 ` Ulf Hansson 2019-10-18 10:29 ` Ulf Hansson 2019-10-18 16:47 ` Lorenzo Pieralisi 2019-10-18 16:47 ` Lorenzo Pieralisi 2019-10-24 15:18 ` [PATCH] cpuidle: psci: Align psci_power_state count with idle state count Sudeep Holla 2019-10-24 15:18 ` Sudeep Holla 2019-10-24 16:10 ` Ulf Hansson 2019-10-24 16:10 ` Ulf Hansson 2019-10-27 2:20 ` Sudeep Holla 2019-10-27 2:20 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 02/13] dt: psci: Update DT bindings to support hierarchical PSCI states Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:26 ` Sudeep Holla 2019-10-24 15:26 ` Sudeep Holla 2019-10-24 16:23 ` Ulf Hansson 2019-10-24 16:23 ` Ulf Hansson 2019-10-10 11:39 ` [PATCH 03/13] firmware: psci: Export functions to manage the OSI mode Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:27 ` Sudeep Holla 2019-10-24 15:27 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 04/13] of: base: Add of_get_cpu_state_node() to get idle states for a CPU node Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:28 ` Sudeep Holla 2019-10-24 15:28 ` Sudeep Holla 2019-10-10 11:39 ` Ulf Hansson [this message] 2019-10-10 11:39 ` [PATCH 05/13] cpuidle: dt: Support hierarchical CPU idle states Ulf Hansson 2019-10-24 15:30 ` Sudeep Holla 2019-10-24 15:30 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 06/13] cpuidle: psci: Simplify OF parsing of CPU idle state nodes Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:36 ` Sudeep Holla 2019-10-24 15:36 ` Sudeep Holla 2019-10-24 16:33 ` Ulf Hansson 2019-10-24 16:33 ` Ulf Hansson 2019-10-27 2:24 ` Sudeep Holla 2019-10-27 2:24 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 07/13] cpuidle: psci: Support hierarchical CPU idle states Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:39 ` Sudeep Holla 2019-10-24 15:39 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 08/13] cpuidle: psci: Prepare to use OS initiated suspend mode via PM domains Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:42 ` Sudeep Holla 2019-10-24 15:42 ` Sudeep Holla 2019-10-24 17:01 ` Ulf Hansson 2019-10-24 17:01 ` Ulf Hansson 2019-10-10 11:39 ` [PATCH 09/13] cpuidle: psci: Add support for PM domains by using genpd Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 15:46 ` Sudeep Holla 2019-10-24 15:46 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 10/13] cpuidle: psci: Add a helper to attach a CPU to its PM domain Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 16:31 ` Sudeep Holla 2019-10-24 16:31 ` Sudeep Holla 2019-10-24 16:47 ` Ulf Hansson 2019-10-24 16:47 ` Ulf Hansson 2019-10-27 2:30 ` Sudeep Holla 2019-10-27 2:30 ` Sudeep Holla 2019-10-28 7:35 ` Ulf Hansson 2019-10-28 7:35 ` Ulf Hansson 2019-10-28 7:49 ` Sudeep Holla 2019-10-28 7:49 ` Sudeep Holla 2019-10-28 9:45 ` Ulf Hansson 2019-10-28 9:45 ` Ulf Hansson 2019-10-29 5:34 ` Sudeep Holla 2019-10-29 5:34 ` Sudeep Holla 2019-10-29 9:44 ` Niklas Cassel 2019-10-29 9:44 ` Niklas Cassel 2019-10-30 0:50 ` Sudeep Holla 2019-10-30 0:50 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 11/13] cpuidle: psci: Attach CPU devices to their PM domains Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 16:35 ` Sudeep Holla 2019-10-24 16:35 ` Sudeep Holla 2019-10-24 16:55 ` Ulf Hansson 2019-10-24 16:55 ` Ulf Hansson 2019-10-27 2:32 ` Sudeep Holla 2019-10-27 2:32 ` Sudeep Holla 2019-10-10 11:39 ` [PATCH 12/13] cpuidle: psci: Manage runtime PM in the idle path Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 16:32 ` Sudeep Holla 2019-10-24 16:32 ` Sudeep Holla 2019-10-24 17:00 ` Ulf Hansson 2019-10-24 17:00 ` Ulf Hansson 2019-10-25 8:28 ` Lorenzo Pieralisi 2019-10-25 8:28 ` Lorenzo Pieralisi 2019-10-25 14:13 ` Ulf Hansson 2019-10-25 14:13 ` Ulf Hansson 2019-10-27 2:34 ` Sudeep Holla 2019-10-27 2:34 ` Sudeep Holla 2019-10-28 22:40 ` Ulf Hansson 2019-10-28 22:40 ` Ulf Hansson 2019-10-10 11:39 ` [PATCH 13/13] arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916 Ulf Hansson 2019-10-10 11:39 ` Ulf Hansson 2019-10-24 16:41 ` Sudeep Holla 2019-10-24 16:41 ` Sudeep Holla 2019-10-24 17:03 ` Ulf Hansson 2019-10-24 17:03 ` Ulf Hansson 2019-10-18 8:10 ` [PATCH 00/13] cpuidle: psci: Support hierarchical CPU arrangement Ulf Hansson 2019-10-18 8:10 ` Ulf Hansson
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