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From:   Ulf Hansson <ulf.hansson@linaro.org>
To:     "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@vger.kernel.org
Cc:     Kevin Hilman <khilman@kernel.org>,
        Lina Iyer <ilina@codeaurora.org>,
        Lina Iyer <lina.iyer@linaro.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Stephen Boyd <sboyd@kernel.org>,
        Juri Lelli <juri.lelli@arm.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        linux-arm-kernel@lists.infradead.org,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>
Subject: [PATCH v7 25/26] arm64: kernel: Respect the hierarchical CPU topology in DT for PSCI
Date:   Thu, 12 Apr 2018 13:14:30 +0200
Message-Id: <1523531671-27491-26-git-send-email-ulf.hansson@linaro.org>
In-Reply-To: <1523531671-27491-1-git-send-email-ulf.hansson@linaro.org>
References: <1523531671-27491-1-git-send-email-ulf.hansson@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

To let the PSCI driver to parse the CPU topology in DT, as to create CPU PM
domains in case the hierarchical layout is used, let's call
psci_dt_topology_init() from the existing topology_init() subsys_initcall.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Lina Iyer <ilina@codeaurora.org>
Co-developed-by: Lina Iyer <lina.iyer@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 arch/arm64/kernel/setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 30ad2f0..574a504 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -331,6 +331,9 @@ static int __init topology_init(void)
 {
 	int i;
 
+	if (acpi_disabled)
+		psci_dt_topology_init();
+
 	for_each_online_node(i)
 		register_one_node(i);
 
-- 
2.7.4