From patchwork Mon Jun 21 22:31:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12335871 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 72A53C49EA7 for ; Mon, 21 Jun 2021 22:31:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C04B6124B for ; Mon, 21 Jun 2021 22:31:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232360AbhFUWeK (ORCPT ); Mon, 21 Jun 2021 18:34:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229789AbhFUWeE (ORCPT ); Mon, 21 Jun 2021 18:34:04 -0400 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22D17C0617AD for ; Mon, 21 Jun 2021 15:31:49 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id k8so4346527ljk.7 for ; Mon, 21 Jun 2021 15:31:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ukWhQOxLOpxSvkJ4rfmDp3fy2HM1MfYh2tdn88Ftg5E=; b=VsuftyXn5YyO84VyBnyEtcDKOlj+mqTE01Zu1frR9+Xmt7y6pAb7622LulHEQlqzdp O3Sz70gm78HBiDGewZYgaTD1kUw2qO3SphcR1t1dCWYQJ82BKY8dQ4f6tu8VGtvTS2DT rrFDt/3ZfSgoeSzhw95vn4R3Aitrzp7qqGCxgsvUNE/6ORmfWqJncJ4tUD+2aoRcSg61 KzETSwJoOBf+vLgia+cWVeTeNKIO06E0loiz4+DIvWA8t7vyDPcIyiMwkUpAU/fL5lKL uvBrin0+jDbPn3J18Gpx695PPeoecwKEPV9sxToveWgGUD4+T4TxRIU5ZXOx/SVhHO5q MJRA== 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=ukWhQOxLOpxSvkJ4rfmDp3fy2HM1MfYh2tdn88Ftg5E=; b=ia1/CLAdoIMweq9BwHI/SAODH7qhoJwztAFFn6yA5J7xOMbCzGNgzaGmKJ6gerKMpb x/WL67RKPc0rs59edChLHJ4nsPTJI8KHDBlSaqyeMV2Rgkw5sq684OYrbayg7BMwLYIi haJC5bPmN2LgTO1WOwZt0Uq4lxeBurMKUIsn6pGGNwz1wk9Y7m+rDk8xylmrNtcUOcXY CkHMqWgTpNk1/PgfPM0pFF0BOeoAhOp1JNjstdbJ1XT8e+OYnHyNGeROkkZo3hHmEI6W krgHt70TWrgQLr0br3syyu2TLATTQ+cWev9rzodZJAhZQQ9JeA1jrCwYR3DfNtXhYMuq 50Xg== X-Gm-Message-State: AOAM53228CxNCYngZPZjz/99Hiux/24BUGXmsGkibV6J1J7VTzdlPUKf EOikGDbabx2ssMdAzrLovrbfqg== X-Google-Smtp-Source: ABdhPJySSnmLQ/ptVnLFlFHOlPAEuSLyWcSpV/6DMXtByw/clqZKSyV9E6KeKzBYGYmNuhAGG1KJ/g== X-Received: by 2002:a2e:9d86:: with SMTP id c6mr383244ljj.75.1624314707441; Mon, 21 Jun 2021 15:31:47 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id b10sm2516025ljf.72.2021.06.21.15.31.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 15:31:47 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Liam Girdwood , Mark Brown , Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz Cc: linux-arm-msm@vger.kernel.org, Manivannan Sadhasivam , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org Subject: [PATCH v3 4/7] Bluetooth: hci_qca: merge qca_power into qca_serdev Date: Tue, 22 Jun 2021 01:31:38 +0300 Message-Id: <20210621223141.1638189-5-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210621223141.1638189-1-dmitry.baryshkov@linaro.org> References: <20210621223141.1638189-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org There is no need to allocate separate structure for handling regulators used by QCA chips, we gain nothing from it. Move all used data fields directly to struct qca_serdev. Signed-off-by: Dmitry Baryshkov Reviewed-by: Bjorn Andersson --- drivers/bluetooth/hci_qca.c | 58 ++++++++++++++----------------------- 1 file changed, 22 insertions(+), 36 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 3704dbadba1d..9cc8a9153d76 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -208,20 +208,15 @@ struct qca_device_data { /* * Platform data for the QCA Bluetooth power driver. */ -struct qca_power { - struct device *dev; - struct regulator_bulk_data *vreg_bulk; - int num_vregs; - bool vregs_on; -}; - struct qca_serdev { struct hci_uart serdev_hu; struct gpio_desc *bt_en; struct gpio_desc *sw_ctrl; struct clk *susclk; enum qca_btsoc_type btsoc_type; - struct qca_power *bt_power; + struct regulator_bulk_data *vreg_bulk; + int num_vregs; + bool vregs_on; u32 init_speed; u32 oper_speed; const char *firmware_name; @@ -1602,7 +1597,7 @@ static int qca_regulator_init(struct hci_uart *hu) * off the voltage regulator. */ qcadev = serdev_device_get_drvdata(hu->serdev); - if (!qcadev->bt_power->vregs_on) { + if (!qcadev->vregs_on) { serdev_device_close(hu->serdev); ret = qca_regulator_enable(qcadev); if (ret) @@ -1945,20 +1940,19 @@ static int qca_power_off(struct hci_dev *hdev) static int qca_regulator_enable(struct qca_serdev *qcadev) { - struct qca_power *power = qcadev->bt_power; int ret; /* Already enabled */ - if (power->vregs_on) + if (qcadev->vregs_on) return 0; - BT_DBG("enabling %d regulators)", power->num_vregs); + BT_DBG("enabling %d regulators)", qcadev->num_vregs); - ret = regulator_bulk_enable(power->num_vregs, power->vreg_bulk); + ret = regulator_bulk_enable(qcadev->num_vregs, qcadev->vreg_bulk); if (ret) return ret; - power->vregs_on = true; + qcadev->vregs_on = true; ret = clk_prepare_enable(qcadev->susclk); if (ret) @@ -1969,38 +1963,37 @@ static int qca_regulator_enable(struct qca_serdev *qcadev) static void qca_regulator_disable(struct qca_serdev *qcadev) { - struct qca_power *power; - if (!qcadev) return; - power = qcadev->bt_power; - /* Already disabled? */ - if (!power->vregs_on) + if (!qcadev->vregs_on) return; - regulator_bulk_disable(power->num_vregs, power->vreg_bulk); - power->vregs_on = false; + regulator_bulk_disable(qcadev->num_vregs, qcadev->vreg_bulk); + qcadev->vregs_on = false; clk_disable_unprepare(qcadev->susclk); } -static int qca_init_regulators(struct qca_power *qca, - const struct qca_vreg *vregs, size_t num_vregs) +static int qca_init_regulators(struct device *dev, struct qca_serdev *qca, + const struct qca_vreg *vregs, size_t num_vregs) { struct regulator_bulk_data *bulk; int ret; int i; - bulk = devm_kcalloc(qca->dev, num_vregs, sizeof(*bulk), GFP_KERNEL); + if (!num_vregs) + return 0; + + bulk = devm_kcalloc(dev, num_vregs, sizeof(*bulk), GFP_KERNEL); if (!bulk) return -ENOMEM; for (i = 0; i < num_vregs; i++) bulk[i].supply = vregs[i].name; - ret = devm_regulator_bulk_get(qca->dev, num_vregs, bulk); + ret = devm_regulator_bulk_get(dev, num_vregs, bulk); if (ret < 0) return ret; @@ -2044,21 +2037,15 @@ static int qca_serdev_probe(struct serdev_device *serdev) if ((qca_is_wcn399x(data->soc_type) || qca_is_wcn6750(data->soc_type))) { qcadev->btsoc_type = data->soc_type; - qcadev->bt_power = devm_kzalloc(&serdev->dev, - sizeof(struct qca_power), - GFP_KERNEL); - if (!qcadev->bt_power) - return -ENOMEM; - - qcadev->bt_power->dev = &serdev->dev; - err = qca_init_regulators(qcadev->bt_power, data->vregs, + + err = qca_init_regulators(&serdev->dev, qcadev, data->vregs, data->num_vregs); if (err) { BT_ERR("Failed to init regulators:%d", err); return err; } - qcadev->bt_power->vregs_on = false; + qcadev->vregs_on = false; qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW); @@ -2139,11 +2126,10 @@ static int qca_serdev_probe(struct serdev_device *serdev) static void qca_serdev_remove(struct serdev_device *serdev) { struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev); - struct qca_power *power = qcadev->bt_power; if ((qca_is_wcn399x(qcadev->btsoc_type) || qca_is_wcn6750(qcadev->btsoc_type)) && - power->vregs_on) + qcadev->vregs_on) qca_power_shutdown(&qcadev->serdev_hu); else if (qcadev->susclk) clk_disable_unprepare(qcadev->susclk);