From patchwork Fri Jun 3 10:00:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12868911 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 71200C43334 for ; Fri, 3 Jun 2022 10:01:53 +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=RsdI4p6hI+Vmgns5nuwoSVhYMw0ZCp7/GPjSWpBUhO0=; b=KQ6ERV1fJTrULR NRw13Lz3fp5pyEcJBJbi9nPqaqMhEKwCD+GgplJiWDrWvQqDnIx16PaSvFv4gdU6rRXnOLwMh+9Ix 9Tu+t4g0lAErSQP+WgPKuSgiurCntsayO//pgDFpn6ux93cAn/003JYd8u24cf4LaOGVMyJ26FAra Up8ZIXlSScklZRzCI76/8acjVq0Ww4wZRZ+8pTZCukjvKp5UwCsqMCs0YwuOA9o0x7lTlZTNeefD8 avxUgo10yjoec8A607p5wyfRYjaCO23/ZE3D8Zj8opYgPfrLDwBDHZ6zhmhiRVLKCyN26/PVvMtQN Ido2piUsvHIkBE7K5zVg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nx46k-006wM3-RA; Fri, 03 Jun 2022 10:00:42 +0000 Received: from mga11.intel.com ([192.55.52.93]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nx46C-006w3L-5j; Fri, 03 Jun 2022 10:00:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654250408; x=1685786408; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=elWO9ZPegpwhPxq94m/afl/cMMc8o9axWYz77GAUeQE=; b=GG4pKRMebYz77ZgDNyhKYzmep11kQn69YDPr0ZZtz3aGDrtFsPtB5yd2 9S12HZth/G3RFd12Imy7HkpbS+asJjMAHjBwkJ/DnTuYifgXAoATGYWlr ev0nWxQUZIJM+tyUyu6Xp6sJmgvAu+Qn6ofceKA6Hsb9qhqey1V6FytBI eodRXdNmDfxAuIrWj4yxkAGBbCRmgpK1ciIVJC86mSb8UVXBWwtQy+rx/ 7UEQaS1cftvYvbr5zbJTmBAjjq/MpZau/vAwiRknlBEIj4ll8yLmk5V0e gncbYGa3jeQal4MVeVJ8cuVsDUBWx/6HSC0kQRq//nZR9Z6pRiZMh4SRN w==; X-IronPort-AV: E=McAfee;i="6400,9594,10366"; a="273781467" X-IronPort-AV: E=Sophos;i="5.91,274,1647327600"; d="scan'208";a="273781467" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2022 03:00:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,274,1647327600"; d="scan'208";a="582496029" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 03 Jun 2022 03:00:04 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 3A4C89A9; Fri, 3 Jun 2022 13:00:07 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Jonathan Cameron , Lars-Peter Clausen , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Subject: [PATCH v3 5/6] iio: adc: meson_saradc: Use temporary variable for struct device Date: Fri, 3 Jun 2022 13:00:03 +0300 Message-Id: <20220603100004.70336-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220603100004.70336-1-andriy.shevchenko@linux.intel.com> References: <20220603100004.70336-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220603_030008_363848_0061200F X-CRM114-Status: GOOD ( 14.02 ) 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 Use temporary variable for struct device to make code neater. Signed-off-by: Andy Shevchenko Reviewed-by: Martin Blumenstingl --- v3: rebased on top of previous changes drivers/iio/adc/meson_saradc.c | 53 ++++++++++++++-------------------- 1 file changed, 22 insertions(+), 31 deletions(-) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 337517a8e1ac..c100f933c12e 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -549,6 +549,7 @@ static int meson_sar_adc_get_sample(struct iio_dev *indio_dev, int *val) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); + struct device *dev = indio_dev->dev.parent; int ret; if (chan->type == IIO_TEMP && !priv->temperature_sensor_calibrated) @@ -572,8 +573,7 @@ static int meson_sar_adc_get_sample(struct iio_dev *indio_dev, meson_sar_adc_unlock(indio_dev); if (ret) { - dev_warn(indio_dev->dev.parent, - "failed to read sample for channel %lu: %d\n", + dev_warn(dev, "failed to read sample for channel %lu: %d\n", chan->address, ret); return ret; } @@ -586,6 +586,7 @@ static int meson_sar_adc_iio_info_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); + struct device *dev = indio_dev->dev.parent; int ret; switch (mask) { @@ -602,9 +603,7 @@ static int meson_sar_adc_iio_info_read_raw(struct iio_dev *indio_dev, if (chan->type == IIO_VOLTAGE) { ret = regulator_get_voltage(priv->vref); if (ret < 0) { - dev_err(indio_dev->dev.parent, - "failed to get vref voltage: %d\n", - ret); + dev_err(dev, "failed to get vref voltage: %d\n", ret); return ret; } @@ -703,8 +702,7 @@ static int meson_sar_adc_temp_sensor_init(struct iio_dev *indio_dev) size_t read_len; int ret; - temperature_calib = devm_nvmem_cell_get(indio_dev->dev.parent, - "temperature_calib"); + temperature_calib = devm_nvmem_cell_get(dev, "temperature_calib"); if (IS_ERR(temperature_calib)) { ret = PTR_ERR(temperature_calib); @@ -718,9 +716,7 @@ static int meson_sar_adc_temp_sensor_init(struct iio_dev *indio_dev) return dev_err_probe(dev, ret, "failed to get temperature_calib cell\n"); } - priv->tsc_regmap = - syscon_regmap_lookup_by_phandle(indio_dev->dev.parent->of_node, - "amlogic,hhi-sysctrl"); + priv->tsc_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "amlogic,hhi-sysctrl"); if (IS_ERR(priv->tsc_regmap)) return dev_err_probe(dev, PTR_ERR(priv->tsc_regmap), "failed to get amlogic,hhi-sysctrl regmap\n"); @@ -908,6 +904,7 @@ static void meson_sar_adc_set_bandgap(struct iio_dev *indio_dev, bool on_off) static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); + struct device *dev = indio_dev->dev.parent; int ret; u32 regval; @@ -917,14 +914,13 @@ static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev) ret = regulator_enable(priv->vref); if (ret < 0) { - dev_err(indio_dev->dev.parent, - "failed to enable vref regulator\n"); + dev_err(dev, "failed to enable vref regulator\n"); goto err_vref; } ret = clk_prepare_enable(priv->core_clk); if (ret) { - dev_err(indio_dev->dev.parent, "failed to enable core clk\n"); + dev_err(dev, "failed to enable core clk\n"); goto err_core_clk; } @@ -942,7 +938,7 @@ static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev) ret = clk_prepare_enable(priv->adc_clk); if (ret) { - dev_err(indio_dev->dev.parent, "failed to enable adc clk\n"); + dev_err(dev, "failed to enable adc clk\n"); goto err_adc_clk; } @@ -1177,14 +1173,14 @@ static int meson_sar_adc_probe(struct platform_device *pdev) void __iomem *base; int irq, ret; - indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*priv)); + indio_dev = devm_iio_device_alloc(dev, sizeof(*priv)); if (!indio_dev) return dev_err_probe(dev, -ENOMEM, "failed allocating iio device\n"); priv = iio_priv(indio_dev); init_completion(&priv->done); - match_data = of_device_get_match_data(&pdev->dev); + match_data = of_device_get_match_data(dev); if (!match_data) return dev_err_probe(dev, -ENODEV, "failed to get match data\n"); @@ -1198,29 +1194,25 @@ static int meson_sar_adc_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - priv->regmap = devm_regmap_init_mmio(&pdev->dev, base, - priv->param->regmap_config); + priv->regmap = devm_regmap_init_mmio(dev, base, priv->param->regmap_config); if (IS_ERR(priv->regmap)) return PTR_ERR(priv->regmap); - irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + irq = irq_of_parse_and_map(dev->of_node, 0); if (!irq) return -EINVAL; - ret = devm_request_irq(&pdev->dev, irq, meson_sar_adc_irq, IRQF_SHARED, - dev_name(&pdev->dev), indio_dev); + ret = devm_request_irq(dev, irq, meson_sar_adc_irq, IRQF_SHARED, dev_name(dev), indio_dev); if (ret) return ret; - priv->clkin = devm_clk_get(&pdev->dev, "clkin"); + priv->clkin = devm_clk_get(dev, "clkin"); if (IS_ERR(priv->clkin)) - return dev_err_probe(&pdev->dev, PTR_ERR(priv->clkin), - "failed to get clkin\n"); + return dev_err_probe(dev, PTR_ERR(priv->clkin), "failed to get clkin\n"); - priv->core_clk = devm_clk_get(&pdev->dev, "core"); + priv->core_clk = devm_clk_get(dev, "core"); if (IS_ERR(priv->core_clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(priv->core_clk), - "failed to get core clk\n"); + return dev_err_probe(dev, PTR_ERR(priv->core_clk), "failed to get core clk\n"); priv->adc_clk = devm_clk_get_optional(dev, "adc_clk"); if (IS_ERR(priv->adc_clk)) @@ -1237,10 +1229,9 @@ static int meson_sar_adc_probe(struct platform_device *pdev) return ret; } - priv->vref = devm_regulator_get(&pdev->dev, "vref"); + priv->vref = devm_regulator_get(dev, "vref"); if (IS_ERR(priv->vref)) - return dev_err_probe(&pdev->dev, PTR_ERR(priv->vref), - "failed to get vref regulator\n"); + return dev_err_probe(dev, PTR_ERR(priv->vref), "failed to get vref regulator\n"); priv->calibscale = MILLION; @@ -1270,7 +1261,7 @@ static int meson_sar_adc_probe(struct platform_device *pdev) ret = meson_sar_adc_calib(indio_dev); if (ret) - dev_warn(&pdev->dev, "calibration failed\n"); + dev_warn(dev, "calibration failed\n"); platform_set_drvdata(pdev, indio_dev);