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(unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1CCA63F663; Wed, 31 May 2023 08:21:08 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, tarek.el-sherbiny@arm.com, nicola.mazzucato@arm.com, souvik.chakravarty@arm.com, wleavitt@marvell.com, wbartczak@marvell.com, Cristian Marussi Subject: [PATCH v3 0/3] Add SCMI v3.2 Powercap disable support Date: Wed, 31 May 2023 16:20:36 +0100 Message-Id: <20230531152039.2363181-1-cristian.marussi@arm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767424958540800633?= X-GMAIL-MSGID: =?utf-8?q?1767424958540800633?= Hi, Upcoming SCMI v3.2 specification (publicly available as BETA at [1]) introduces support to disable powercapping as a whole on the desired zones. This small series at first add the needed support to the core SCMI Powercap protocol, exposing a couple more enable/disable protocol operations, and then wires such new ops in the related Powercap framework helpers. Based on v6.4-rc4. Thanks, Cristian [1]: https://developer.arm.com/documentation/den0056/e --- v2 --> v3 - rebased on v6.4-rc4 - added tags v1 -> v2 - rebased on v6.3-rc1 - simplified enable status check logic Cristian Marussi (3): firmware: arm_scmi: Refactor powercap get/set helpers firmware: arm_scmi: Add Powercap protocol enable support powercap: arm_scmi: Add support for disabling powercaps on a zone drivers/firmware/arm_scmi/powercap.c | 173 +++++++++++++++++++++++---- drivers/powercap/arm_scmi_powercap.c | 16 +++ include/linux/scmi_protocol.h | 18 +++ 3 files changed, 182 insertions(+), 25 deletions(-)