From patchwork Mon Jun 17 13:49:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Trevor Gamblin X-Patchwork-Id: 13700746 Received: from mail-qk1-f177.google.com (mail-qk1-f177.google.com [209.85.222.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 850BB1C68AB for ; Mon, 17 Jun 2024 13:50:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718632226; cv=none; b=kMYxvGmZVBpjYQY/3vB74ka3Z6AIG2EgmrvlKjQZVDEQKBOJBNNUQsrBLuW3HUFN9o9r/uMUXr4leSjN1PMN4woOxVpU2ao1EC/WmH5ovZopXfOPbWgzowAdN+P4AxcaIK+sKRYxMHPErG5Mq2+JWcojcsxGPjWYrkyPQtSQLqg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718632226; c=relaxed/simple; bh=6WpzNw/7O6Bgfvz8lndloRTTgJyhcPEVJA0wYoY3R1g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=r4KPmOh/v+0gTfdLogdgN6mHq7+c4kDrWk4JYnM1Lfd73lNfP8wf0ncGuISkkrtGbJi3DixICkVlHC6mWvDafVAav8yWqedPJvDW1P8zd1aPCAGuwH5nC0LCtC0UTP6p8EF03dAt+z6Oyl2oXo1einHB9gwhold2/LTWNMOd4O8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=CogdSTqX; arc=none smtp.client-ip=209.85.222.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="CogdSTqX" Received: by mail-qk1-f177.google.com with SMTP id af79cd13be357-7979198531fso327514485a.0 for ; Mon, 17 Jun 2024 06:50:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1718632223; x=1719237023; darn=lists.linux.dev; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=l19FGmHt7cx9Y1e6lJcD6lg62Kq+f+HHsekNkW7FIwQ=; b=CogdSTqXkwYOlOyjXNX/q+UZn7xZC3HSIgso9vz75vwJYkyewwDbC3l3MoZ+TiUAxQ jpr4BHfPwdWpaJTW2gfUSqSmMgh1pwSGci75DCXzMRPYTpJx9F5gUhZklU8tRaJFVCuS Wrntua1vHKGOhauK58v2JXbo7CqTOk1nHbZBR2BgC76RoywmHgOtPghoT0XYnm/mpxsm C5oZWxcCwbxEEuFiXPo+ec3NypLAg87yF6QQTXFxN13KHeldya3Y0VqBhg6V5h9W8hLU Gb/vvwEVSlILfe3dDW72hGceqF8lUmcotKpfnq7invMz23/7G/ffY/aTihINhTaTfePS PmBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718632223; x=1719237023; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=l19FGmHt7cx9Y1e6lJcD6lg62Kq+f+HHsekNkW7FIwQ=; b=AD99/SdvEppaaEx2NMTLQ06RGQG9AwGiMEDXyT3C11ic3fLnVX6tqcX56ePBuQfEwe SPM9/3n+Pfe00eNNLsb/Z9gyTpxkvHZWRO0ZGUGoRDzv4m1Npxud+KlfKi9hD/HDAQqa MnY2snWIZO7wky3OrbQq3Yw4wnUlFAwDK6JHd5iVi0qxNVLaRrXfU2Ax04apGsu2rUll YFv/KwRGWx8oeMB0FJnwT6NKaGC32a5mcLl1mLaHiKkK25z72ZaQMmQ5WLipbE+EohdN jSLkYZ3lMt38VqbCkiyhy9us5nC3t6MvEXO764XrPjD8wrwC9UNqnomc9wlP9f0bkpOs WpNA== X-Forwarded-Encrypted: i=1; AJvYcCX1Ojf1ycSyqojOegPfIeqY9/pxpFWK2l/KqYT1QWnwBGSKjQNpH5ThjrbY0zimAvm9E2pN4HfW7DFGaYDBvg+nznHE X-Gm-Message-State: AOJu0YynkroFKmfY9vdFnuBOluuWp+/evD58Z7Dsp/0a9lu/NCIZ2ssA /+ztLKwcLKbg8Lq0UXH3viVTsCYhCvC6aJI5Dd9JgcYJJ+h85dukkpqgGQzfn0U= X-Google-Smtp-Source: AGHT+IEh7KDprGK33BeeaVNTDiPQqvpWOrx7hEFjzf44w52REiEzqTJNM1IGPx8qlAanIRK9VBBUsQ== X-Received: by 2002:a05:620a:4101:b0:795:dca5:e9b7 with SMTP id af79cd13be357-798d26b4948mr1182835585a.69.1718632223483; Mon, 17 Jun 2024 06:50:23 -0700 (PDT) Received: from megalith.oryx-coho.ts.net (d24-150-219-207.home.cgocable.net. [24.150.219.207]) by smtp.gmail.com with ESMTPSA id af79cd13be357-798aaecc004sm432892285a.31.2024.06.17.06.50.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 06:50:23 -0700 (PDT) From: Trevor Gamblin Date: Mon, 17 Jun 2024 09:49:58 -0400 Subject: [PATCH v3 18/41] iio: adc: stm32-dfsdm-adc: make use of regmap_clear_bits(), regmap_set_bits() Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240617-review-v3-18-88d1338c4cca@baylibre.com> References: <20240617-review-v3-0-88d1338c4cca@baylibre.com> In-Reply-To: <20240617-review-v3-0-88d1338c4cca@baylibre.com> To: Jonathan Cameron , Lars-Peter Clausen , Dmitry Rokosov , Michael Hennerich , Cosmin Tanislav , Chen-Yu Tsai , Hans de Goede , Ray Jui , Scott Branden , Broadcom internal kernel review list , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Saravanan Sekar , Orson Zhai , Baolin Wang , Chunyan Zhang , Maxime Coquelin , Alexandre Torgue , =?utf-8?q?Nuno_S=C3=A1?= , Linus Walleij , Jean-Baptiste Maneyrol , Crt Mori Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-amlogic@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Trevor Gamblin X-Mailer: b4 0.13.0 Instead of using regmap_update_bits() and passing the mask twice, use regmap_set_bits(). Instead of using regmap_update_bits() and passing val = 0, use regmap_clear_bits(). Suggested-by: Uwe Kleine-König Signed-off-by: Trevor Gamblin --- drivers/iio/adc/stm32-dfsdm-adc.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-) diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c index 9a47d2c87f05..fabd654245f5 100644 --- a/drivers/iio/adc/stm32-dfsdm-adc.c +++ b/drivers/iio/adc/stm32-dfsdm-adc.c @@ -759,8 +759,7 @@ static int stm32_dfsdm_start_conv(struct iio_dev *indio_dev, return 0; filter_unconfigure: - regmap_update_bits(regmap, DFSDM_CR1(adc->fl_id), - DFSDM_CR1_CFG_MASK, 0); + regmap_clear_bits(regmap, DFSDM_CR1(adc->fl_id), DFSDM_CR1_CFG_MASK); stop_channels: stm32_dfsdm_stop_channel(indio_dev); @@ -774,8 +773,7 @@ static void stm32_dfsdm_stop_conv(struct iio_dev *indio_dev) stm32_dfsdm_stop_filter(adc->dfsdm, adc->fl_id); - regmap_update_bits(regmap, DFSDM_CR1(adc->fl_id), - DFSDM_CR1_CFG_MASK, 0); + regmap_clear_bits(regmap, DFSDM_CR1(adc->fl_id), DFSDM_CR1_CFG_MASK); stm32_dfsdm_stop_channel(indio_dev); } @@ -951,16 +949,14 @@ static int stm32_dfsdm_adc_dma_start(struct iio_dev *indio_dev) if (adc->nconv == 1 && !indio_dev->trig) { /* Enable regular DMA transfer*/ - ret = regmap_update_bits(adc->dfsdm->regmap, - DFSDM_CR1(adc->fl_id), - DFSDM_CR1_RDMAEN_MASK, - DFSDM_CR1_RDMAEN_MASK); + ret = regmap_set_bits(adc->dfsdm->regmap, + DFSDM_CR1(adc->fl_id), + DFSDM_CR1_RDMAEN_MASK); } else { /* Enable injected DMA transfer*/ - ret = regmap_update_bits(adc->dfsdm->regmap, - DFSDM_CR1(adc->fl_id), - DFSDM_CR1_JDMAEN_MASK, - DFSDM_CR1_JDMAEN_MASK); + ret = regmap_set_bits(adc->dfsdm->regmap, + DFSDM_CR1(adc->fl_id), + DFSDM_CR1_JDMAEN_MASK); } if (ret < 0) @@ -981,8 +977,8 @@ static void stm32_dfsdm_adc_dma_stop(struct iio_dev *indio_dev) if (!adc->dma_chan) return; - regmap_update_bits(adc->dfsdm->regmap, DFSDM_CR1(adc->fl_id), - DFSDM_CR1_RDMAEN_MASK | DFSDM_CR1_JDMAEN_MASK, 0); + regmap_clear_bits(adc->dfsdm->regmap, DFSDM_CR1(adc->fl_id), + DFSDM_CR1_RDMAEN_MASK | DFSDM_CR1_JDMAEN_MASK); dmaengine_terminate_all(adc->dma_chan); } @@ -1305,9 +1301,8 @@ static irqreturn_t stm32_dfsdm_irq(int irq, void *arg) if (status & DFSDM_ISR_ROVRF_MASK) { if (int_en & DFSDM_CR2_ROVRIE_MASK) dev_warn(&indio_dev->dev, "Overrun detected\n"); - regmap_update_bits(regmap, DFSDM_ICR(adc->fl_id), - DFSDM_ICR_CLRROVRF_MASK, - DFSDM_ICR_CLRROVRF_MASK); + regmap_set_bits(regmap, DFSDM_ICR(adc->fl_id), + DFSDM_ICR_CLRROVRF_MASK); } return IRQ_HANDLED;