From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4782C43458 for ; Wed, 1 Jul 2026 12:58:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JhiUuA/FjKpueCDc5g7S8UR5eUVgAFi72pRUAkhUNOM=; b=dW5PRTZyTu2/F54PKbUZie6zgm hNfdlT2tFPYK4gMydLSMEEqJ9n0NjBYzIx2OTmvBPnQxA4SKp7DSy00F6qEQmVGec5cx3gjT1LiPI dglVZlfDzaw+se5GAnaD6fWkAup0/0BqDmOEH+5nbWSVNIosgFE5qlsSUoCb6YHJvr5ho50aCgttz SKV7c8CR7Gc19roclXFLHQ+Xw6Ttf3nJ/9eGd7KJ1N7Igr4qtMLnhEkrmTQHS2qiUtdAP3RVr1QQ5 aRVni3vkq2wfr5JThga00eFHsIW2e4TaZLcs9VIe6xVY9MZJTfDepO+j6dUyBrSTku6h/vRFv83by o0EszleQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weuWa-000000025ws-3M55; Wed, 01 Jul 2026 12:58:44 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weuWU-000000025p4-1oHJ for linux-arm-kernel@lists.infradead.org; Wed, 01 Jul 2026 12:58:43 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5DD2A237B; Wed, 1 Jul 2026 05:58:33 -0700 (PDT) Received: from oss-apollo7005.oss.cambridge.arm.com (oss-apollo7005.oss.lab.cambridge.arm.com [10.7.15.171]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7F14E3F85F; Wed, 1 Jul 2026 05:58:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1782910717; bh=BGksZAsOGqveNmup8OOxT5Cj4OKklRhKYCnpEOTamwQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u1P3aQYw4TZkYTit3+Z64C6twVzQpxRqmRdblVpL/Sy8Ng3+MqRC8Iv8pOui0kNNM r2c6vT/IfwWhdg5NF4cvRYR10gZw74+DR024GLFwnNtE2m0N8GjVI/+ETAZdoadopw eVsyuVQF/DMKsyUgeTDlOj6/A40wiX6Zm+FTUtSk= From: Philip Radford To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-pm@vger.kernel.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, quic_sibis@quicinc.com, dan.carpenter@linaro.org, d-gole@ti.com, souvik.chakravarty@arm.com, Philip Radford Subject: [PATCH v8 13/13] powercap: arm_scmi: Synthetic zone enable/disable Date: Wed, 1 Jul 2026 12:57:47 +0000 Message-Id: <20260701125747.407921-14-philip.radford@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260701125747.407921-1-philip.radford@arm.com> References: <20260701125747.407921-1-philip.radford@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260701_055838_521224_054DEDA5 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The synthetic instance root contols the same set of top-level SCMI domains already handled by the control-type enable/disable helpers previously introduced. Add synthetic zone enabled attribute to the existing per-instance helpers instead of duplicating the enable-state tracking and rollback logic. Signed-off-by: Philip Radford --- drivers/powercap/arm_scmi_powercap.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/powercap/arm_scmi_powercap.c b/drivers/powercap/arm_scmi_powercap.c index e1bad4b19990..23708f9934d4 100644 --- a/drivers/powercap/arm_scmi_powercap.c +++ b/drivers/powercap/arm_scmi_powercap.c @@ -458,10 +458,34 @@ static int instance_root_get_constraint(struct powercap_zone *pz, int cid, u64 * return -EOPNOTSUPP; } +static int instance_root_set_enable(struct powercap_zone *pz, bool mode) +{ + struct scmi_powercap_root *pr = to_scmi_powercap_root(pz); + + return scmi_powercap_set_root_children_enable_state(pr, mode); +} + +static int instance_root_get_enable(struct powercap_zone *pz, bool *mode) +{ + struct scmi_powercap_root *pr = to_scmi_powercap_root(pz); + int ret; + + if (!mode) + return -EINVAL; + + ret = scmi_powercap_read_root_children_enable_state(pr, mode); + if (!ret) + pr->enabled = *mode; + + return ret; +} + static const struct powercap_zone_ops instance_root_ops = { .get_max_power_range_uw = scmi_powercap_get_max_power_range_uw, .get_power_uw = instance_root_get_power_uw, .release = instance_root_release, + .set_enable = instance_root_set_enable, + .get_enable = instance_root_get_enable, }; static const struct powercap_zone_constraint_ops instance_root_const_ops = { -- 2.25.1