From patchwork Wed Dec 2 20:39:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Marussi X-Patchwork-Id: 11947117 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 119C8C6369E for ; Wed, 2 Dec 2020 20:51:20 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 61F23221EB for ; Wed, 2 Dec 2020 20:51:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 61F23221EB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1yKaheUn/EWT1ZAe8vLKMD8qcmKOXTPtuQex/yW1Qkk=; b=0BM9y7H1m1zDob4aJc9yFFf1E4 6LKXD3k1pED8tZ3/XIo3///FAr+ErJ55+aRa7lwKZL7uUjN3nkBhLnjFkgNlSt7dOyW2I19ihEHXo E+Su6WuQ9v4H7KTyf869jpTsCXj6wvCx2sqyTA9RXNQjaxRwA2vvUwJ9VegTL7hQntsgQ4qLhDVso zZi2h9X0wLHSrqRV9q+JMWmrNTV5evqXnxHxQhnYRUGggHfaGF5xYikr16rxJxweu9rCHCkopILVS Ig7CP/Tgb65hdAS0VYeutWbWlOXf1aXgHF0ZuU1d7jefANEZ5jOSsW+Vd3DkpLpLPKMB6mNVsqdy3 wGLx8hAg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkZ2Z-0004qs-5m; Wed, 02 Dec 2020 20:47:55 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kkYvq-0002Sz-Rk for linux-arm-kernel@lists.infradead.org; Wed, 02 Dec 2020 20:41:03 +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 11815152D; Wed, 2 Dec 2020 12:40:58 -0800 (PST) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 609063F575; Wed, 2 Dec 2020 12:40:56 -0800 (PST) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 16/37] firmware: arm_scmi: port GenPD driver to the new scmi_power_proto_ops interface Date: Wed, 2 Dec 2020 20:39:48 +0000 Message-Id: <20201202204009.32073-17-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201202204009.32073-1-cristian.marussi@arm.com> References: <20201202204009.32073-1-cristian.marussi@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201202_154059_117612_5F32E48B X-CRM114-Status: GOOD ( 15.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: f.fainelli@gmail.com, vincent.guittot@linaro.org, sudeep.holla@arm.com, thara.gopinath@linaro.org, Cristian Marussi , james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, souvik.chakravarty@arm.com, etienne.carriere@linaro.org, lukasz.luba@arm.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Port driver to the new SCMI Power interface based on protocol handles and common devm_get_ops(). Signed-off-by: Cristian Marussi --- drivers/firmware/arm_scmi/scmi_pm_domain.c | 26 +++++++++++++--------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c index 9e44479f0284..564bb4d56d9a 100644 --- a/drivers/firmware/arm_scmi/scmi_pm_domain.c +++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c @@ -2,7 +2,7 @@ /* * SCMI Generic power domain support. * - * Copyright (C) 2018 ARM Ltd. + * Copyright (C) 2018-2020 ARM Ltd. */ #include @@ -11,9 +11,11 @@ #include #include +static const struct scmi_power_proto_ops *power_ops; + struct scmi_pm_domain { struct generic_pm_domain genpd; - const struct scmi_handle *handle; + const struct scmi_protocol_handle *ph; const char *name; u32 domain; }; @@ -25,16 +27,15 @@ static int scmi_pd_power(struct generic_pm_domain *domain, bool power_on) int ret; u32 state, ret_state; struct scmi_pm_domain *pd = to_scmi_pd(domain); - const struct scmi_power_ops *ops = pd->handle->power_ops; if (power_on) state = SCMI_POWER_STATE_GENERIC_ON; else state = SCMI_POWER_STATE_GENERIC_OFF; - ret = ops->state_set(pd->handle, pd->domain, state); + ret = power_ops->state_set(pd->ph, pd->domain, state); if (!ret) - ret = ops->state_get(pd->handle, pd->domain, &ret_state); + ret = power_ops->state_get(pd->ph, pd->domain, &ret_state); if (!ret && state != ret_state) return -EIO; @@ -60,11 +61,16 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev) struct genpd_onecell_data *scmi_pd_data; struct generic_pm_domain **domains; const struct scmi_handle *handle = sdev->handle; + struct scmi_protocol_handle *ph; - if (!handle || !handle->power_ops) + if (!handle) return -ENODEV; - num_domains = handle->power_ops->num_domains_get(handle); + power_ops = handle->devm_get_ops(sdev, SCMI_PROTOCOL_POWER, &ph); + if (IS_ERR(power_ops)) + return PTR_ERR(power_ops); + + num_domains = power_ops->num_domains_get(ph); if (num_domains < 0) { dev_err(dev, "number of domains not found\n"); return num_domains; @@ -85,14 +91,14 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev) for (i = 0; i < num_domains; i++, scmi_pd++) { u32 state; - if (handle->power_ops->state_get(handle, i, &state)) { + if (power_ops->state_get(ph, i, &state)) { dev_warn(dev, "failed to get state for domain %d\n", i); continue; } scmi_pd->domain = i; - scmi_pd->handle = handle; - scmi_pd->name = handle->power_ops->name_get(handle, i); + scmi_pd->ph = ph; + scmi_pd->name = power_ops->name_get(ph, i); scmi_pd->genpd.name = scmi_pd->name; scmi_pd->genpd.power_off = scmi_pd_power_off; scmi_pd->genpd.power_on = scmi_pd_power_on;