From: Ulf Hansson <ulf.hansson@linaro.org> To: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: "Rafael J . Wysocki" <rjw@rjwysocki.net>, Sudeep Holla <sudeep.holla@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Mark Rutland <mark.rutland@arm.com>, Linux PM <linux-pm@vger.kernel.org>, "Raju P . L . S . S . S . N" <rplsssn@codeaurora.org>, Stephen Boyd <sboyd@kernel.org>, Tony Lindgren <tony@atomide.com>, Kevin Hilman <khilman@kernel.org>, Lina Iyer <ilina@codeaurora.org>, Viresh Kumar <viresh.kumar@linaro.org>, Vincent Guittot <vincent.guittot@linaro.org>, Geert Uytterhoeven <geert+renesas@glider.be>, Linux ARM <linux-arm-kernel@lists.infradead.org>, linux-arm-msm <linux-arm-msm@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Lina Iyer <lina.iyer@linaro.org> Subject: Re: [PATCH v10 13/27] drivers: firmware: psci: Support hierarchical CPU idle states Date: Wed, 19 Dec 2018 13:53:23 +0100 [thread overview] Message-ID: <CAPDyKFpa6cCfQtfNo=CN0=BpY6bARfnVWRH0N=apQgVr1m24Og@mail.gmail.com> (raw) In-Reply-To: <a5c19c01-31d5-f703-663c-3d5bd2ea8201@linaro.org> On Wed, 19 Dec 2018 at 13:11, Daniel Lezcano <daniel.lezcano@linaro.org> wrote: > > On 29/11/2018 18:46, 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, simply by converting to 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> > > --- > > Fold it with 07/27 ? I can do that. However, normally we try to keep changes that touches different subsystems, separate from each other. Of course sometimes it's not possible and sometimes it just doesn't make sense to separate changes. Perhaps the PSCI maintainers and Rafael can give their opinion. Kind regards Uffe > > > > > Changes in v10: > > - None. > > > > --- > > drivers/firmware/psci/psci.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c > > index cbfc936d251c..631e20720a22 100644 > > --- a/drivers/firmware/psci/psci.c > > +++ b/drivers/firmware/psci/psci.c > > @@ -300,7 +300,7 @@ static int psci_dt_cpu_init_idle(struct cpuidle_driver *drv, > > return -ENOMEM; > > > > for (i = 0; i < num_state_nodes; 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; > > > > > > > -- > <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs > > Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | > <http://twitter.com/#!/linaroorg> Twitter | > <http://www.linaro.org/linaro-blog/> Blog >
WARNING: multiple messages have this Message-ID (diff)
From: Ulf Hansson <ulf.hansson@linaro.org> To: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Vincent Guittot <vincent.guittot@linaro.org>, Geert Uytterhoeven <geert+renesas@glider.be>, Linux PM <linux-pm@vger.kernel.org>, Stephen Boyd <sboyd@kernel.org>, Viresh Kumar <viresh.kumar@linaro.org>, linux-arm-msm <linux-arm-msm@vger.kernel.org>, Kevin Hilman <khilman@kernel.org>, "Rafael J . Wysocki" <rjw@rjwysocki.net>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Lina Iyer <ilina@codeaurora.org>, Tony Lindgren <tony@atomide.com>, Lina Iyer <lina.iyer@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>, "Raju P . L . S . S . S . N" <rplsssn@codeaurora.org>, Linux ARM <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH v10 13/27] drivers: firmware: psci: Support hierarchical CPU idle states Date: Wed, 19 Dec 2018 13:53:23 +0100 [thread overview] Message-ID: <CAPDyKFpa6cCfQtfNo=CN0=BpY6bARfnVWRH0N=apQgVr1m24Og@mail.gmail.com> (raw) In-Reply-To: <a5c19c01-31d5-f703-663c-3d5bd2ea8201@linaro.org> On Wed, 19 Dec 2018 at 13:11, Daniel Lezcano <daniel.lezcano@linaro.org> wrote: > > On 29/11/2018 18:46, 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, simply by converting to 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> > > --- > > Fold it with 07/27 ? I can do that. However, normally we try to keep changes that touches different subsystems, separate from each other. Of course sometimes it's not possible and sometimes it just doesn't make sense to separate changes. Perhaps the PSCI maintainers and Rafael can give their opinion. Kind regards Uffe > > > > > Changes in v10: > > - None. > > > > --- > > drivers/firmware/psci/psci.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c > > index cbfc936d251c..631e20720a22 100644 > > --- a/drivers/firmware/psci/psci.c > > +++ b/drivers/firmware/psci/psci.c > > @@ -300,7 +300,7 @@ static int psci_dt_cpu_init_idle(struct cpuidle_driver *drv, > > return -ENOMEM; > > > > for (i = 0; i < num_state_nodes; 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; > > > > > > > -- > <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs > > Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | > <http://twitter.com/#!/linaroorg> Twitter | > <http://www.linaro.org/linaro-blog/> Blog > _______________________________________________ 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:[~2018-12-19 12:53 UTC|newest] Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-11-29 17:46 [PATCH v10 00/27] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM) Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 01/27] PM / Domains: Add generic data pointer to genpd_power_state struct Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-18 10:39 ` Daniel Lezcano 2018-12-18 10:39 ` Daniel Lezcano 2018-12-18 11:53 ` Ulf Hansson 2018-12-18 11:53 ` Ulf Hansson 2019-01-11 10:52 ` Rafael J. Wysocki 2019-01-11 10:52 ` Rafael J. Wysocki 2018-11-29 17:46 ` [PATCH v10 02/27] PM / Domains: Add support for CPU devices to genpd Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-19 9:53 ` Daniel Lezcano 2018-12-19 9:53 ` Daniel Lezcano 2018-12-19 10:02 ` Ulf Hansson 2018-12-19 10:02 ` Ulf Hansson 2019-01-11 10:54 ` Rafael J. Wysocki 2019-01-11 10:54 ` Rafael J. Wysocki 2018-11-29 17:46 ` [PATCH v10 03/27] timer: Export next wakeup time of a CPU Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2019-01-11 11:06 ` Rafael J. Wysocki 2019-01-11 11:06 ` Rafael J. Wysocki 2019-01-11 11:06 ` Rafael J. Wysocki 2019-01-16 7:57 ` Ulf Hansson 2019-01-16 7:57 ` Ulf Hansson 2019-01-16 7:57 ` Ulf Hansson 2019-01-16 10:59 ` Rafael J. Wysocki 2019-01-16 10:59 ` Rafael J. Wysocki 2019-01-16 10:59 ` Rafael J. Wysocki 2019-01-16 12:00 ` Ulf Hansson 2019-01-16 12:00 ` Ulf Hansson 2019-01-16 12:00 ` Ulf Hansson 2019-01-25 10:04 ` Ulf Hansson 2019-01-25 10:04 ` Ulf Hansson 2019-01-25 10:04 ` Ulf Hansson 2019-01-25 10:18 ` Rafael J. Wysocki 2019-01-25 10:18 ` Rafael J. Wysocki 2019-01-25 10:18 ` Rafael J. Wysocki 2018-11-29 17:46 ` [PATCH v10 04/27] PM / Domains: Add genpd governor for CPUs Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-19 9:54 ` Daniel Lezcano 2018-12-19 9:54 ` Daniel Lezcano 2018-12-19 10:09 ` Ulf Hansson 2018-12-19 10:09 ` Ulf Hansson 2018-12-19 10:09 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 05/27] dt: psci: Update DT bindings to support hierarchical PSCI states Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 06/27] of: base: Add of_get_cpu_state_node() to get idle states for a CPU node Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-19 11:05 ` Daniel Lezcano 2018-12-19 11:05 ` Daniel Lezcano 2018-11-29 17:46 ` [PATCH v10 07/27] cpuidle: dt: Support hierarchical CPU idle states Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-19 11:20 ` Daniel Lezcano 2018-12-19 11:20 ` Daniel Lezcano 2018-11-29 17:46 ` [PATCH v10 08/27] ARM/ARM64: cpuidle: Let back-end init ops take the driver as input Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 09/27] drivers: firmware: psci: Move psci to separate directory Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 10/27] MAINTAINERS: Update files for PSCI Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 11/27] drivers: firmware: psci: Split psci_dt_cpu_init_idle() Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 12/27] drivers: firmware: psci: Simplify state node parsing Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 13/27] drivers: firmware: psci: Support hierarchical CPU idle states Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-19 12:11 ` Daniel Lezcano 2018-12-19 12:11 ` Daniel Lezcano 2018-12-19 12:53 ` Ulf Hansson [this message] 2018-12-19 12:53 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 14/27] drivers: firmware: psci: Simplify error path of psci_dt_init() Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-19 12:08 ` Daniel Lezcano 2018-12-19 12:08 ` Daniel Lezcano 2018-11-29 17:46 ` [PATCH v10 15/27] drivers: firmware: psci: Announce support for OS initiated suspend mode Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-20 13:11 ` Daniel Lezcano 2018-12-20 13:11 ` Daniel Lezcano 2018-11-29 17:46 ` [PATCH v10 16/27] drivers: firmware: psci: Prepare to use " Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-20 14:08 ` Daniel Lezcano 2018-12-20 14:08 ` Daniel Lezcano 2018-12-20 15:41 ` Ulf Hansson 2018-12-20 15:41 ` Ulf Hansson 2018-12-20 17:16 ` Daniel Lezcano 2018-12-20 17:16 ` Daniel Lezcano 2018-11-29 17:46 ` [PATCH v10 17/27] drivers: firmware: psci: Prepare to support PM domains Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-20 14:19 ` Daniel Lezcano 2018-12-20 14:19 ` Daniel Lezcano 2018-12-20 15:49 ` Ulf Hansson 2018-12-20 15:49 ` Ulf Hansson 2018-12-20 18:06 ` Daniel Lezcano 2018-12-20 18:06 ` Daniel Lezcano 2018-12-20 21:37 ` Ulf Hansson 2018-12-20 21:37 ` Ulf Hansson 2018-12-21 7:15 ` Daniel Lezcano 2018-12-21 7:15 ` Daniel Lezcano 2018-11-29 17:46 ` [PATCH v10 18/27] drivers: firmware: psci: Add support for PM domains using genpd Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-03 16:37 ` Lina Iyer 2018-12-03 16:37 ` Lina Iyer 2018-12-03 20:03 ` Ulf Hansson 2018-12-03 20:03 ` Ulf Hansson 2018-12-20 14:35 ` Daniel Lezcano 2018-12-20 14:35 ` Daniel Lezcano 2018-12-20 21:09 ` Ulf Hansson 2018-12-20 21:09 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 19/27] drivers: firmware: psci: Add hierarchical domain idle states converter Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 20/27] drivers: firmware: psci: Introduce psci_dt_topology_init() Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 21/27] drivers: firmware: psci: Add a helper to attach a CPU to its PM domain Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-12-04 18:45 ` Lina Iyer 2018-12-04 18:45 ` Lina Iyer 2018-12-06 9:15 ` Ulf Hansson 2018-12-06 9:15 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 22/27] drivers: firmware: psci: Attach the CPU's device " Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 23/27] drivers: firmware: psci: Manage runtime PM in the idle path for CPUs Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 22:31 ` Lina Iyer 2018-11-29 22:31 ` Lina Iyer 2018-11-30 8:25 ` Ulf Hansson 2018-11-30 8:25 ` Ulf Hansson 2018-11-30 20:57 ` Lina Iyer 2018-11-30 20:57 ` Lina Iyer 2018-12-19 11:17 ` Lorenzo Pieralisi 2018-12-19 11:17 ` Lorenzo Pieralisi 2018-12-19 11:47 ` Ulf Hansson 2018-12-19 11:47 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 25/27] arm64: kernel: Respect the hierarchical CPU topology in DT for PSCI Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:46 ` [PATCH v10 26/27] arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916 Ulf Hansson 2018-11-29 17:46 ` Ulf Hansson 2018-11-29 17:47 ` [PATCH v10 27/27] arm64: dts: hikey: Convert to the hierarchical CPU topology layout Ulf Hansson 2018-11-29 17:47 ` Ulf Hansson 2018-12-17 16:12 ` [PATCH v10 00/27] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM) Ulf Hansson 2018-12-17 16:12 ` Ulf Hansson 2019-01-11 11:08 ` Rafael J. Wysocki 2019-01-11 11:08 ` Rafael J. Wysocki 2019-01-03 12:06 ` Sudeep Holla 2019-01-03 12:06 ` Sudeep Holla 2019-01-03 12:06 ` Sudeep Holla 2019-01-16 9:10 ` Ulf Hansson 2019-01-16 9:10 ` Ulf Hansson 2019-01-17 17:44 ` Sudeep Holla 2019-01-17 17:44 ` Sudeep Holla 2019-01-17 17:44 ` Sudeep Holla 2019-01-18 11:56 ` Ulf Hansson 2019-01-18 11:56 ` Ulf Hansson
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