From: lorenzo.pieralisi@arm.com (Lorenzo Pieralisi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/5] drivers: firmware: psci: add basic v1.0 support
Date: Mon, 14 Sep 2015 14:35:10 +0100 [thread overview]
Message-ID: <20150914133510.GA26707@red-moon> (raw)
In-Reply-To: <1436375811-10529-1-git-send-email-lorenzo.pieralisi@arm.com>
On Wed, Jul 08, 2015 at 06:16:46PM +0100, Lorenzo Pieralisi wrote:
> This series is a v2 of a previous posting:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/347352.html
>
> v1 -> v2:
>
> - rebased against v4.2-rc1
> - added version to 1.0 specific macros
>
> The PSCI v1.0 specification[1] introduces a brand new set of features
> (ie OS initiated mode and system suspend being the most notable ones)
> and provides updates to the PSCI 0.2 specification, keeping backward
> compatibility.
>
> PSCI v1.0 applies minor changes to function return codes and function
> behaviour (ie AFFINITY_INFO requirements, INVALID_ADDRESS return value)
> and introduces a new power_state parameter format (extended stateid)
> that is probeable with the newly introduced PSCI_FEATURES call.
>
> This series upgrades the current kernel PSCI layer implementation with
> a set of patches that make the kernel PSCI v1.0 compliant.
>
> The series augments the PSCI firmware layer with a hook to retrieve
> the features for a specific PSCI function (ie based on the PSCI_FEATURES
> call) and uses it to detect the power_state parameter format, updating
> the power_state parameter handling functions accordingly.
>
> In order to prevent firmware interfaces mismatch, a new compatible
> string is added to the DT bindings to characterize a 1.0 compliant
> firmware interface.
>
> The series is built on top of M.Rutland's patch series:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/353795.html
>
> Tested on a Juno board.
Rebased against 4.3-rc1 (that includes the patch series above), if there
are no objections I will queue this series for v4.4.
Thanks,
Lorenzo
>
> [1] http://infocenter.arm.com/help/topic/com.arm.doc.den0022c/DEN0022C_Power_State_Coordination_Interface.pdf
>
> Lorenzo Pieralisi (5):
> drivers: firmware: psci: add INVALID_ADDRESS return value
> drivers: firmware: psci: move power_state handling to generic code
> drivers: firmware: psci: add PSCI_FEATURES call
> drivers: firmware: psci: add extended stateid power_state support
> drivers: firmware: psci: add PSCI v1.0 DT bindings
>
> Documentation/devicetree/bindings/arm/psci.txt | 6 +++
> arch/arm64/kernel/psci.c | 14 -------
> drivers/firmware/psci.c | 53 ++++++++++++++++++++++++++
> include/linux/psci.h | 2 +
> include/uapi/linux/psci.h | 15 ++++++++
> 5 files changed, 76 insertions(+), 14 deletions(-)
>
> --
> 2.2.1
>
next prev parent reply other threads:[~2015-09-14 13:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 17:16 [PATCH v2 0/5] drivers: firmware: psci: add basic v1.0 support Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 1/5] drivers: firmware: psci: add INVALID_ADDRESS return value Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 2/5] drivers: firmware: psci: move power_state handling to generic code Lorenzo Pieralisi
2015-07-09 13:39 ` Catalin Marinas
2015-07-08 17:16 ` [PATCH v2 3/5] drivers: firmware: psci: add PSCI_FEATURES call Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 4/5] drivers: firmware: psci: add extended stateid power_state support Lorenzo Pieralisi
2015-10-22 22:07 ` Kevin Hilman
2015-10-23 10:23 ` Arnd Bergmann
2015-10-23 10:44 ` Lorenzo Pieralisi
2015-10-23 10:55 ` Arnd Bergmann
2015-10-23 11:36 ` Lorenzo Pieralisi
2015-10-23 15:10 ` Kevin Hilman
2015-10-26 10:05 ` Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 5/5] drivers: firmware: psci: add PSCI v1.0 DT bindings Lorenzo Pieralisi
2015-10-05 11:48 ` Andre Przywara
2015-10-05 12:06 ` Mark Rutland
2015-10-05 12:11 ` Lorenzo Pieralisi
2015-09-14 13:35 ` Lorenzo Pieralisi [this message]
2015-09-15 3:23 ` [PATCH v2 0/5] drivers: firmware: psci: add basic v1.0 support Jisheng Zhang
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