From patchwork Thu Oct 15 00:13:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 11838381 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D9FF715E6 for ; Thu, 15 Oct 2020 01:30:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0E9522258 for ; Thu, 15 Oct 2020 01:30:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="Vk9W4Mlu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732247AbgJOB3i (ORCPT ); Wed, 14 Oct 2020 21:29:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732227AbgJOB3h (ORCPT ); Wed, 14 Oct 2020 21:29:37 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB2FDC0D9425 for ; Wed, 14 Oct 2020 17:13:43 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id d23so579773pll.7 for ; Wed, 14 Oct 2020 17:13:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UlbiRK9FPIASJdWjbFlxZN7JKEjeG321ukcvNxoIW+Y=; b=Vk9W4Mlu++ARKTCbhumJfJo840Ddq86v5pd4GoUMiZ/jn8R87NXlQrqOw7qIIGNcXt fU1NlnVPlWdNDyyJJCP2gdIg/b1Y1ZHCDcU5ZC6iCuS+ZRcexPofZIeE4cKqhzUFoJJW zRJktZcKqenkCO26pNfD4jRlhToWAoJ2wJrMs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UlbiRK9FPIASJdWjbFlxZN7JKEjeG321ukcvNxoIW+Y=; b=D63o195Ymp+eCElC/VEjgNhS+E4eKIb+CAKpBm6eKTp4fNdEdRqTEHeWOulMQ1kkiB HsUZP+ALumK1Wv5HsIrKVfZk4wj5eRJa/bU/diXpNVuPGz9OsHulV4YpKu8j5as3UAKn 0m/StGucBmO5LJA7YsETVxaS+j4o6V1fyqAoXfCLfsf4nk4TcZGT8+bjDl27GZJ1O6gQ FV8e7FzNZizDXsU0TAYOJlzenVS3RtI6FJmt5iNbmGfqh0APgXNLVGyuog9Ihs8Nb8JC LejQltYyDtIdiMekDvO8sDcuutZzW2Pim2jM4SOouDNmVBBqXgenTtuICFiCCYSQEqn8 g5HQ== X-Gm-Message-State: AOAM5309J6d3cV/IhuHI1R89RRao6Z0yaTfaQ++oCDlp97xyNPHtMwWS HQIprc9BbkPiFKJmMJbibGTzrQ== X-Google-Smtp-Source: ABdhPJzUyM8QxDdPbJVsk13aEs2SgZMLJmPvtbxWE6eGgQv8WrXmx97oZcbONE04yikGH3baniEedg== X-Received: by 2002:a17:90a:8c17:: with SMTP id a23mr1625454pjo.112.1602720823467; Wed, 14 Oct 2020 17:13:43 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:1:42b0:34ff:fe3d:58e6]) by smtp.gmail.com with ESMTPSA id r16sm726485pjo.19.2020.10.14.17.13.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2020 17:13:42 -0700 (PDT) From: Douglas Anderson To: Stephen Boyd Cc: David Brown , Taniya Das , linux-soc@vger.kernel.org, Rajendra Nayak , Douglas Anderson , Andy Gross , Bjorn Andersson , Michael Turquette , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/3] clk: qcom: lpass-sc7180: Disentangle the two clock devices Date: Wed, 14 Oct 2020 17:13:28 -0700 Message-Id: <20201014171259.v4.2.I75c409497d4dea9daefa53ec5f93824081c4ecbe@changeid> X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog In-Reply-To: <20201014171259.v4.1.I4567b5e7e17bbb15ef063d447cb83fd43746cb18@changeid> References: <20201014171259.v4.1.I4567b5e7e17bbb15ef063d447cb83fd43746cb18@changeid> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The sc7180 lpass clock driver manages two different devices. These two devices were tangled together, using one probe and a lookup to figure out the real probe. I think it's cleaner to really separate the probe for these two devices since they're really different things, just both managed by the same driver. Signed-off-by: Douglas Anderson --- (no changes since v3) Changes in v3: - ("clk: qcom: lpass-sc7180: Disentangle the two clock devices") new for v3. drivers/clk/qcom/lpasscorecc-sc7180.c | 101 ++++++++++++++++---------- 1 file changed, 62 insertions(+), 39 deletions(-) diff --git a/drivers/clk/qcom/lpasscorecc-sc7180.c b/drivers/clk/qcom/lpasscorecc-sc7180.c index 2d15e33ec837..4ed766ca08bb 100644 --- a/drivers/clk/qcom/lpasscorecc-sc7180.c +++ b/drivers/clk/qcom/lpasscorecc-sc7180.c @@ -366,12 +366,38 @@ static void lpass_pm_clk_destroy(void *data) pm_clk_destroy(data); } +static int lpass_create_pm_clks(struct platform_device *pdev) +{ + int ret; + + pm_runtime_enable(&pdev->dev); + ret = devm_add_action_or_reset(&pdev->dev, lpass_pm_runtime_disable, &pdev->dev); + if (ret) + return ret; + + ret = pm_clk_create(&pdev->dev); + if (ret) + return ret; + ret = devm_add_action_or_reset(&pdev->dev, lpass_pm_clk_destroy, &pdev->dev); + if (ret) + return ret; + + ret = pm_clk_add(&pdev->dev, "iface"); + if (ret < 0) + dev_err(&pdev->dev, "failed to acquire iface clock\n"); + return ret; +} + static int lpass_core_cc_sc7180_probe(struct platform_device *pdev) { const struct qcom_cc_desc *desc; struct regmap *regmap; int ret; + ret = lpass_create_pm_clks(pdev); + if (ret) + return ret; + lpass_core_cc_sc7180_regmap_config.name = "lpass_audio_cc"; desc = &lpass_audio_hm_sc7180_desc; ret = qcom_cc_probe_by_index(pdev, 1, desc); @@ -402,6 +428,11 @@ static int lpass_core_cc_sc7180_probe(struct platform_device *pdev) static int lpass_hm_core_probe(struct platform_device *pdev) { const struct qcom_cc_desc *desc; + int ret; + + ret = lpass_create_pm_clks(pdev); + if (ret) + return ret; lpass_core_cc_sc7180_regmap_config.name = "lpass_hm_core"; desc = &lpass_core_hm_sc7180_desc; @@ -409,55 +440,28 @@ static int lpass_hm_core_probe(struct platform_device *pdev) return qcom_cc_probe_by_index(pdev, 0, desc); } -static const struct of_device_id lpass_core_cc_sc7180_match_table[] = { +static const struct of_device_id lpass_hm_sc7180_match_table[] = { { .compatible = "qcom,sc7180-lpasshm", - .data = lpass_hm_core_probe, }, + { } +}; +MODULE_DEVICE_TABLE(of, lpass_hm_sc7180_match_table); + +static const struct of_device_id lpass_core_cc_sc7180_match_table[] = { { .compatible = "qcom,sc7180-lpasscorecc", - .data = lpass_core_cc_sc7180_probe, }, { } }; MODULE_DEVICE_TABLE(of, lpass_core_cc_sc7180_match_table); -static int lpass_core_sc7180_probe(struct platform_device *pdev) -{ - int (*clk_probe)(struct platform_device *p); - int ret; - - pm_runtime_enable(&pdev->dev); - ret = devm_add_action_or_reset(&pdev->dev, lpass_pm_runtime_disable, &pdev->dev); - if (ret) - return ret; - - ret = pm_clk_create(&pdev->dev); - if (ret) - return ret; - ret = devm_add_action_or_reset(&pdev->dev, lpass_pm_clk_destroy, &pdev->dev); - if (ret) - return ret; - - ret = pm_clk_add(&pdev->dev, "iface"); - if (ret < 0) { - dev_err(&pdev->dev, "failed to acquire iface clock\n"); - return ret; - } - - clk_probe = of_device_get_match_data(&pdev->dev); - if (!clk_probe) - return -EINVAL; - - return clk_probe(pdev); -} - static const struct dev_pm_ops lpass_core_cc_pm_ops = { SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL) }; static struct platform_driver lpass_core_cc_sc7180_driver = { - .probe = lpass_core_sc7180_probe, + .probe = lpass_core_cc_sc7180_probe, .driver = { .name = "lpass_core_cc-sc7180", .of_match_table = lpass_core_cc_sc7180_match_table, @@ -465,17 +469,36 @@ static struct platform_driver lpass_core_cc_sc7180_driver = { }, }; -static int __init lpass_core_cc_sc7180_init(void) +static const struct dev_pm_ops lpass_hm_pm_ops = { + SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL) +}; + +static struct platform_driver lpass_hm_sc7180_driver = { + .probe = lpass_hm_core_probe, + .driver = { + .name = "lpass_hm-sc7180", + .of_match_table = lpass_hm_sc7180_match_table, + .pm = &lpass_hm_pm_ops, + }, +}; + +static int __init lpass_sc7180_init(void) { - return platform_driver_register(&lpass_core_cc_sc7180_driver); + int ret; + + ret = platform_driver_register(&lpass_core_cc_sc7180_driver); + if (ret) + return ret; + return platform_driver_register(&lpass_hm_sc7180_driver); } -subsys_initcall(lpass_core_cc_sc7180_init); +subsys_initcall(lpass_sc7180_init); -static void __exit lpass_core_cc_sc7180_exit(void) +static void __exit lpass_sc7180_exit(void) { + platform_driver_unregister(&lpass_hm_sc7180_driver); platform_driver_unregister(&lpass_core_cc_sc7180_driver); } -module_exit(lpass_core_cc_sc7180_exit); +module_exit(lpass_sc7180_exit); MODULE_DESCRIPTION("QTI LPASS_CORE_CC SC7180 Driver"); MODULE_LICENSE("GPL v2");