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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-25cd498872csm2056581fac.21.2024.06.24.13.10.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jun 2024 13:10:47 -0700 (PDT) From: David Lechner To: Mark Brown , Jonathan Cameron Cc: David Lechner , Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , Marcelo Schmitt , Jonathan Corbet , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 1/2] spi: add EXPORT_SYMBOL_GPL(devm_spi_optimize_message) Date: Mon, 24 Jun 2024 15:10:30 -0500 Message-ID: <20240624-devm_spi_optimize_message-v2-1-58155c0180c2@baylibre.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240624-devm_spi_optimize_message-v2-0-58155c0180c2@baylibre.com> References: <20240624-devm_spi_optimize_message-v2-0-58155c0180c2@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mailer: b4 0.12.4 devm_spi_optimize_message() is a public function and needs EXPORT_SYMBOL_GPL. Reported-by: Jonathan Cameron Closes: https://lore.kernel.org/linux-iio/20240624204424.6a91a5e4@jic23-huawei/ Fixes: 17436001a6bc ("spi: add devm_spi_optimize_message() helper") Signed-off-by: David Lechner --- drivers/spi/spi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 3f953504244b..814d66fc9753 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -4384,6 +4384,7 @@ int devm_spi_optimize_message(struct device *dev, struct spi_device *spi, return devm_add_action_or_reset(dev, devm_spi_unoptimize_message, msg); } +EXPORT_SYMBOL_GPL(devm_spi_optimize_message); /** * spi_async - asynchronous SPI transfer From patchwork Mon Jun 24 20:10:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 13710018 Received: from mail-oa1-f54.google.com (mail-oa1-f54.google.com [209.85.160.54]) (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 D59CA1A01DE for ; Mon, 24 Jun 2024 20:10:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719259852; cv=none; b=DmN/NeDGV0sLKc9HuktZyN7Ugvgl8JNL7QaIPwtlgpl64ft7ZYKTkuIgQq0lRveccZxj+yqoxUxLm1wUpsIqnf/Z/qr2dK4n8h9u1VlUWhxjC6aW2JDZMeaXPJZCif2sVXdrx5QvbCzIpMKsWBH3WA/7D1NAgkjrXyphJYv9Ko8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719259852; c=relaxed/simple; bh=M5ncsogjwIKi7yTwd3on+qTwjMFKb9OhWUuYpkcn5s4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eEf+c1+faDoQQiExTBUAc+P2X2QQDCLExkkfFHG5n1tT8s+lq9B2GhEw3kVhO9nrDzOfnncMR+ABraq+AAdk70U2ZfEu0JczYBenv2Hubxw48ia2gPrDaqKthqYn+dV+UiZN4JJEBPU/I9JgH6AS0j8i1/NG6PqSCbiW9RNH42s= 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=bUBXqmYl; arc=none smtp.client-ip=209.85.160.54 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="bUBXqmYl" Received: by mail-oa1-f54.google.com with SMTP id 586e51a60fabf-24cbb884377so2440737fac.0 for ; Mon, 24 Jun 2024 13:10:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1719259849; x=1719864649; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=keq6dAlPadRHMn2hspGHDGXT5Yre2UihnSFV/6UPPyU=; b=bUBXqmYljuFxuT7DhU7xSY/xdwdacs+L9ZrPEUQoUNU6BJ+pLZZCqHGbrv7hLuiGrk q0++qLkOYpikCaijp3/L3I8anJkYqXhGexkOAD1EtjaPNbC+mjISD/CLL6SkmE38VHg2 gzBrOZwnWzLKcXuqP8LKGzNGfM0sOBe10KFEdRKV7bHafwoUPCwwmg/uk6WYY1YjXW9x kO+EVaH5l2HV3WLqgfe9nzfQSx5Auwc9kxZ5hgvh94fhyR8RzMEZOuwjxxEYA7u04mHY jirY+th5GhMCFGeMnQzZ6DaMxWxIUDZbmtz+w6N3tmCx2okvhBrTUKlXaK/R6wJUIp7J V8Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719259849; x=1719864649; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=keq6dAlPadRHMn2hspGHDGXT5Yre2UihnSFV/6UPPyU=; b=scDfYo9iQekO9njiIdTfxmmc/A0i/Bc7plR48StFswoOMpm1GR24H3NUvOU8fmBXgU 93fMu/e9WZ6zygau/u0rDG/Dy5K/jwYCYkzT/EAX9DQAh0a0VechG8+g6wami3tETo9K Zkb7XqcZj9GTK42BsooHSGIy2yrQiFhB+j0FVv7rwTB1T6qnVOYrsFvCnuYV1TtW7p/l kuCjHgJRAtNqEYaQN1G7dnS5MMsk056NDxgK0Up5Fjytc54cwpdEnxegN6O+NzByl2+U P6pIXzqgtNixq5i3CEJPQ82X29eP4WPOllJq3VmGrgLPesR6nJpY0oElHn/pV3KFWP5a 2Pww== X-Forwarded-Encrypted: i=1; AJvYcCXjJuLOcZUpop05YZ1yeN69gyPMyNrxD6juOIQmXTY2YLbOWeqzlHvYBQwBUSIO8C+DhD8u6/aNeJajupD4bFhczCLsEeT8r3Vl X-Gm-Message-State: AOJu0YwD3EhJ59aqtcD+I+ip0uryFDmsgeRCUj+0UQnb41jbbIl+1aqk l+NytqG3KvubmGk13kZM/zp9kODagE4QRUyFAxZJpce6lj9GiCf5FsjkBPQmdPM= X-Google-Smtp-Source: AGHT+IEPj9eNpk6KMJ4QV06JOfE04WXPuqL0pHd7jyIaZHBJE1mlZj/2+mYQhvjgxxXtWG6s8pSSQA== X-Received: by 2002:a05:6870:e9a6:b0:258:42c8:7f69 with SMTP id 586e51a60fabf-25d06bf1b66mr5594096fac.23.1719259848943; Mon, 24 Jun 2024 13:10:48 -0700 (PDT) Received: from freyr.lechnology.com (ip98-183-112-25.ok.ok.cox.net. [98.183.112.25]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-25cd498872csm2056581fac.21.2024.06.24.13.10.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jun 2024 13:10:48 -0700 (PDT) From: David Lechner To: Mark Brown , Jonathan Cameron Cc: David Lechner , Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , Marcelo Schmitt , Jonathan Corbet , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 2/2] iio: adc: ad7944: use devm_spi_optimize_message() Date: Mon, 24 Jun 2024 15:10:31 -0500 Message-ID: <20240624-devm_spi_optimize_message-v2-2-58155c0180c2@baylibre.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240624-devm_spi_optimize_message-v2-0-58155c0180c2@baylibre.com> References: <20240624-devm_spi_optimize_message-v2-0-58155c0180c2@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mailer: b4 0.12.4 Use new devm_spi_optimize_message() helper to simplify repeated code in the ad7944 driver. Signed-off-by: David Lechner --- drivers/iio/adc/ad7944.c | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) diff --git a/drivers/iio/adc/ad7944.c b/drivers/iio/adc/ad7944.c index 4602ab5ed2a6..a6ac17c13a29 100644 --- a/drivers/iio/adc/ad7944.c +++ b/drivers/iio/adc/ad7944.c @@ -134,18 +134,12 @@ AD7944_DEFINE_CHIP_INFO(ad7985, ad7944, 16, 0); /* fully differential */ AD7944_DEFINE_CHIP_INFO(ad7986, ad7986, 18, 1); -static void ad7944_unoptimize_msg(void *msg) -{ - spi_unoptimize_message(msg); -} - static int ad7944_3wire_cs_mode_init_msg(struct device *dev, struct ad7944_adc *adc, const struct iio_chan_spec *chan) { unsigned int t_conv_ns = adc->always_turbo ? adc->timing_spec->turbo_conv_ns : adc->timing_spec->conv_ns; struct spi_transfer *xfers = adc->xfers; - int ret; /* * NB: can get better performance from some SPI controllers if we use @@ -175,11 +169,7 @@ static int ad7944_3wire_cs_mode_init_msg(struct device *dev, struct ad7944_adc * spi_message_init_with_transfers(&adc->msg, xfers, 3); - ret = spi_optimize_message(adc->spi, &adc->msg); - if (ret) - return ret; - - return devm_add_action_or_reset(dev, ad7944_unoptimize_msg, &adc->msg); + return devm_spi_optimize_message(dev, adc->spi, &adc->msg); } static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc, @@ -188,7 +178,6 @@ static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc unsigned int t_conv_ns = adc->always_turbo ? adc->timing_spec->turbo_conv_ns : adc->timing_spec->conv_ns; struct spi_transfer *xfers = adc->xfers; - int ret; /* * NB: can get better performance from some SPI controllers if we use @@ -209,11 +198,7 @@ static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc spi_message_init_with_transfers(&adc->msg, xfers, 2); - ret = spi_optimize_message(adc->spi, &adc->msg); - if (ret) - return ret; - - return devm_add_action_or_reset(dev, ad7944_unoptimize_msg, &adc->msg); + return devm_spi_optimize_message(dev, adc->spi, &adc->msg); } static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc, @@ -221,7 +206,6 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc u32 n_chain_dev) { struct spi_transfer *xfers = adc->xfers; - int ret; /* * NB: SCLK has to be low before we toggle CS to avoid triggering the @@ -249,11 +233,7 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc spi_message_init_with_transfers(&adc->msg, xfers, 2); - ret = spi_optimize_message(adc->spi, &adc->msg); - if (ret) - return ret; - - return devm_add_action_or_reset(dev, ad7944_unoptimize_msg, &adc->msg); + return devm_spi_optimize_message(dev, adc->spi, &adc->msg); } /**