From patchwork Tue Jul 4 09:32:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 13300870 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 C1170C001B3 for ; Tue, 4 Jul 2023 09:33:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/WmLFMk6bRBI8v4g5J5poa5WQIJlmS07TXw4DnMdHsc=; b=AJjTiRGDOaIJ/d M4iiH9j+VCDh3XDHTjIw72ROmMpHqSPYT3/8JZOWA0xj9Qlyk8VErMEKDkR3kkNhNzV7UY+mtm6G3 oyE7NV7MRbtqVCEOKjttkmcqm9cqxfYTzwzD26NIRiUODZXZm3gfs+tiY0n8s9/9cCGnDnRk/CEcr 3wOd8hDslThonESs9rx04Gu3ZE+Hpjcgps69tgy1BkobUUV6RuA/YEjSigf+gRa+FArOVmR3+SmZj E42rq2TdKtsoSCvqjBeCJP4VJbYzzZ92XC0MK7Bj2okE7HJOmr7CzMuEHND5Wxh63KSU5gnMi57hS ptYo+MRRU1lTwIwQWgSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qGcP8-00Cj0i-29; Tue, 04 Jul 2023 09:33:02 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qGcOy-00CisZ-0R for linux-arm-kernel@lists.infradead.org; Tue, 04 Jul 2023 09:32:56 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qGcOv-0006tt-RS; Tue, 04 Jul 2023 11:32:49 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1qGcOt-00C09b-Bq; Tue, 04 Jul 2023 11:32:47 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qGcOq-002Txf-VY; Tue, 04 Jul 2023 11:32:44 +0200 From: Sascha Hauer To: linux-rockchip@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Heiko Stuebner , Kyungmin Park , MyungJoo Ham , Will Deacon , Mark Rutland , kernel@pengutronix.de, Michael Riesch , Robin Murphy , Vincent Legoll , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, Sebastian Reichel , Sascha Hauer , Jonathan Cameron Subject: [PATCH v7 03/26] PM / devfreq: rockchip-dfi: use consistent name for private data struct Date: Tue, 4 Jul 2023 11:32:19 +0200 Message-Id: <20230704093242.583575-4-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230704093242.583575-1-s.hauer@pengutronix.de> References: <20230704093242.583575-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230704_023252_350757_40D629CF X-CRM114-Status: GOOD ( 20.90 ) 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 variable name for the private data struct is 'info' in some functions and 'data' in others. Both names do not give a clue what type the variable has, so consistently use 'dfi'. Reviewed-by: Heiko Stuebner Reviewed-by: Jonathan Cameron Reviewed-by: Sebastian Reichel Signed-off-by: Sascha Hauer --- drivers/devfreq/event/rockchip-dfi.c | 72 ++++++++++++++-------------- 1 file changed, 36 insertions(+), 36 deletions(-) diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c index 467f9f42d38f7..e19e5acaa362c 100644 --- a/drivers/devfreq/event/rockchip-dfi.c +++ b/drivers/devfreq/event/rockchip-dfi.c @@ -59,13 +59,13 @@ struct rockchip_dfi { static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev) { - struct rockchip_dfi *info = devfreq_event_get_drvdata(edev); - void __iomem *dfi_regs = info->regs; + struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); + void __iomem *dfi_regs = dfi->regs; u32 val; u32 ddr_type; /* get ddr type */ - regmap_read(info->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val); + regmap_read(dfi->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val); ddr_type = (val >> RK3399_PMUGRF_DDRTYPE_SHIFT) & RK3399_PMUGRF_DDRTYPE_MASK; @@ -84,28 +84,28 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev) static void rockchip_dfi_stop_hardware_counter(struct devfreq_event_dev *edev) { - struct rockchip_dfi *info = devfreq_event_get_drvdata(edev); - void __iomem *dfi_regs = info->regs; + struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); + void __iomem *dfi_regs = dfi->regs; writel_relaxed(SOFTWARE_DIS, dfi_regs + DDRMON_CTRL); } static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev) { - struct rockchip_dfi *info = devfreq_event_get_drvdata(edev); + struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); u32 tmp, max = 0; u32 i, busier_ch = 0; - void __iomem *dfi_regs = info->regs; + void __iomem *dfi_regs = dfi->regs; rockchip_dfi_stop_hardware_counter(edev); /* Find out which channel is busier */ for (i = 0; i < RK3399_DMC_NUM_CH; i++) { - info->ch_usage[i].access = readl_relaxed(dfi_regs + + dfi->ch_usage[i].access = readl_relaxed(dfi_regs + DDRMON_CH0_DFI_ACCESS_NUM + i * 20) * 4; - info->ch_usage[i].total = readl_relaxed(dfi_regs + + dfi->ch_usage[i].total = readl_relaxed(dfi_regs + DDRMON_CH0_COUNT_NUM + i * 20); - tmp = info->ch_usage[i].access; + tmp = dfi->ch_usage[i].access; if (tmp > max) { busier_ch = i; max = tmp; @@ -118,20 +118,20 @@ static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev) static int rockchip_dfi_disable(struct devfreq_event_dev *edev) { - struct rockchip_dfi *info = devfreq_event_get_drvdata(edev); + struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); rockchip_dfi_stop_hardware_counter(edev); - clk_disable_unprepare(info->clk); + clk_disable_unprepare(dfi->clk); return 0; } static int rockchip_dfi_enable(struct devfreq_event_dev *edev) { - struct rockchip_dfi *info = devfreq_event_get_drvdata(edev); + struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); int ret; - ret = clk_prepare_enable(info->clk); + ret = clk_prepare_enable(dfi->clk); if (ret) { dev_err(&edev->dev, "failed to enable dfi clk: %d\n", ret); return ret; @@ -149,13 +149,13 @@ static int rockchip_dfi_set_event(struct devfreq_event_dev *edev) static int rockchip_dfi_get_event(struct devfreq_event_dev *edev, struct devfreq_event_data *edata) { - struct rockchip_dfi *info = devfreq_event_get_drvdata(edev); + struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); int busier_ch; busier_ch = rockchip_dfi_get_busier_ch(edev); - edata->load_count = info->ch_usage[busier_ch].access; - edata->total_count = info->ch_usage[busier_ch].total; + edata->load_count = dfi->ch_usage[busier_ch].access; + edata->total_count = dfi->ch_usage[busier_ch].total; return 0; } @@ -176,47 +176,47 @@ MODULE_DEVICE_TABLE(of, rockchip_dfi_id_match); static int rockchip_dfi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct rockchip_dfi *data; + struct rockchip_dfi *dfi; struct devfreq_event_desc *desc; struct device_node *np = pdev->dev.of_node, *node; - data = devm_kzalloc(dev, sizeof(struct rockchip_dfi), GFP_KERNEL); - if (!data) + dfi = devm_kzalloc(dev, sizeof(*dfi), GFP_KERNEL); + if (!dfi) return -ENOMEM; - data->regs = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(data->regs)) - return PTR_ERR(data->regs); + dfi->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(dfi->regs)) + return PTR_ERR(dfi->regs); - data->clk = devm_clk_get(dev, "pclk_ddr_mon"); - if (IS_ERR(data->clk)) - return dev_err_probe(dev, PTR_ERR(data->clk), + dfi->clk = devm_clk_get(dev, "pclk_ddr_mon"); + if (IS_ERR(dfi->clk)) + return dev_err_probe(dev, PTR_ERR(dfi->clk), "Cannot get the clk pclk_ddr_mon\n"); node = of_parse_phandle(np, "rockchip,pmu", 0); if (!node) return dev_err_probe(&pdev->dev, -ENODEV, "Can't find pmu_grf registers\n"); - data->regmap_pmu = syscon_node_to_regmap(node); + dfi->regmap_pmu = syscon_node_to_regmap(node); of_node_put(node); - if (IS_ERR(data->regmap_pmu)) - return PTR_ERR(data->regmap_pmu); + if (IS_ERR(dfi->regmap_pmu)) + return PTR_ERR(dfi->regmap_pmu); - data->dev = dev; + dfi->dev = dev; - desc = &data->desc; + desc = &dfi->desc; desc->ops = &rockchip_dfi_ops; - desc->driver_data = data; + desc->driver_data = dfi; desc->name = np->name; - data->edev = devm_devfreq_event_add_edev(&pdev->dev, desc); - if (IS_ERR(data->edev)) { + dfi->edev = devm_devfreq_event_add_edev(&pdev->dev, desc); + if (IS_ERR(dfi->edev)) { dev_err(&pdev->dev, "failed to add devfreq-event device\n"); - return PTR_ERR(data->edev); + return PTR_ERR(dfi->edev); } - platform_set_drvdata(pdev, data); + platform_set_drvdata(pdev, dfi); return 0; }