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Tue, 23 Apr 2019 09:33:53 -0700 (PDT) Received: from localhost.localdomain ([104.238.181.70]) by smtp.gmail.com with ESMTPSA id v1sm24364801pff.81.2019.04.23.09.33.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Apr 2019 09:33:53 -0700 (PDT) From: Changbin Du To: Jonathan Corbet Subject: [PATCH v4 22/63] Documentation: ACPI: move lpit.txt to firmware-guide/acpi and convert to reST Date: Wed, 24 Apr 2019 00:28:51 +0800 Message-Id: <20190423162932.21428-23-changbin.du@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190423162932.21428-1-changbin.du@gmail.com> References: <20190423162932.21428-1-changbin.du@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Wed, 24 Apr 2019 05:41:30 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fenghua.yu@intel.com, mchehab+samsung@kernel.org, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, x86@kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, mingo@redhat.com, Bjorn Helgaas , tglx@linutronix.de, linuxppc-dev@lists.ozlabs.org, Changbin Du Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This converts the plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du --- Documentation/firmware-guide/acpi/index.rst | 1 + .../lpit.txt => firmware-guide/acpi/lpit.rst} | 18 +++++++++++++----- 2 files changed, 14 insertions(+), 5 deletions(-) rename Documentation/{acpi/lpit.txt => firmware-guide/acpi/lpit.rst} (68%) diff --git a/Documentation/firmware-guide/acpi/index.rst b/Documentation/firmware-guide/acpi/index.rst index fca854f017d8..0e60f4b7129a 100644 --- a/Documentation/firmware-guide/acpi/index.rst +++ b/Documentation/firmware-guide/acpi/index.rst @@ -22,3 +22,4 @@ ACPI Support gpio-properties i2c-muxes acpi-lid + lpit diff --git a/Documentation/acpi/lpit.txt b/Documentation/firmware-guide/acpi/lpit.rst similarity index 68% rename from Documentation/acpi/lpit.txt rename to Documentation/firmware-guide/acpi/lpit.rst index b426398d2e97..aca928fab027 100644 --- a/Documentation/acpi/lpit.txt +++ b/Documentation/firmware-guide/acpi/lpit.rst @@ -1,3 +1,9 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=========================== +Low Power Idle Table (LPIT) +=========================== + To enumerate platform Low Power Idle states, Intel platforms are using “Low Power Idle Table” (LPIT). More details about this table can be downloaded from: @@ -8,13 +14,15 @@ Residencies for each low power state can be read via FFH On platforms supporting S0ix sleep states, there can be two types of residencies: -- CPU PKG C10 (Read via FFH interface) -- Platform Controller Hub (PCH) SLP_S0 (Read via memory mapped interface) + + - CPU PKG C10 (Read via FFH interface) + - Platform Controller Hub (PCH) SLP_S0 (Read via memory mapped interface) The following attributes are added dynamically to the cpuidle -sysfs attribute group: - /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us - /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us +sysfs attribute group:: + + /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us + /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us The "low_power_idle_cpu_residency_us" attribute shows time spent by the CPU package in PKG C10 -- 2.20.1