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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-25cd4c106dbsm2092849fac.58.2024.06.24.13.46.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jun 2024 13:46:33 -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 v3 1/2] spi: add EXPORT_SYMBOL_GPL(devm_spi_optimize_message) Date: Mon, 24 Jun 2024 15:46:07 -0500 Message-ID: <20240624-devm_spi_optimize_message-v3-1-912138c27b66@baylibre.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240624-devm_spi_optimize_message-v3-0-912138c27b66@baylibre.com> References: <20240624-devm_spi_optimize_message-v3-0-912138c27b66@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.12.4 Content-Transfer-Encoding: quoted-printable 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-hua= wei/ Fixes: d4a0055fdc22 ("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, str= uct spi_device *spi, =20 return devm_add_action_or_reset(dev, devm_spi_unoptimize_message, msg); } +EXPORT_SYMBOL_GPL(devm_spi_optimize_message); =20 /** * spi_async - asynchronous SPI transfer --=20 2.45.2 From nobody Tue Dec 16 19:40:52 2025 Received: from mail-ot1-f43.google.com (mail-ot1-f43.google.com [209.85.210.43]) (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 7858B19F462 for ; Mon, 24 Jun 2024 20:46:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719261997; cv=none; b=Drkb0T5kp02US9NPMA/iAHOFSyJaHvI2bTP00tAIV0kO6/sMLYHRaMRIIqiO7j8PS4IbqlihjTG56lDwhGo2SAFgGY1RXBlWYCZK7IpSDtBFRSsUfF1FRK1Kz70eep2hV/kaJlwBO0DxEoZmoGlsg2lQ6hCfbbdiTNQYAbpvdBg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719261997; c=relaxed/simple; bh=M5ncsogjwIKi7yTwd3on+qTwjMFKb9OhWUuYpkcn5s4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HM3GEsbnVZ5M9SKRDzeq5mNxpYqH9WMBpUsdEvB483FZZIolESJLgTRm3WIpJjrljJlI2wI7Psd2fHUs64KUI+elyCX8rZDxzmieBWlpMsL3VoiACDq2sDdHk1V8a7rj6VoPJa8GENQF00YZpw/QNfPWo6SEV8EeRYWjviACmUA= 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=ZTx//brT; arc=none smtp.client-ip=209.85.210.43 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="ZTx//brT" Received: by mail-ot1-f43.google.com with SMTP id 46e09a7af769-6f9b4d69f53so2676198a34.0 for ; Mon, 24 Jun 2024 13:46:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1719261994; x=1719866794; 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=ZTx//brTD8K18G842k/4ZHXiw/KkGaEtWETy9vIM1vMgW5Sl7JMOfF/fhCGUjHHcn6 Zxs3t+h3cl4hx4Syk6eQgQUmLr/wzdm39GYHxvwEq+AKg1TeKxQYLUMxjMrvQpY8ofLS jIz5HA833nzMUDJr1XoMKbWJvreUNfmwGn/Lk57K3tSJDbH9OAAbr0JhdnZZZ1djPTXo VT2wpTBuM9IB9PaCLb1VgqN/BTatgBrSknDncVDdc5sq80WjfRg1Cip0X3LXJDqZCPUd MsqQAC2mWd6KcRsdscrrLgwdCszJGZq+WUMR864x/cExeWq437VfbFsqjXMOiusCCjAV 4m4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719261994; x=1719866794; 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=wyCZpFj5NXFiHuaPwOi4f6j6VXe8byB2PV/oLzncQf3HUNcLdBy6sHoE+p91x8IDPf Vek6tUXbLzXlQRcCBZgzk/zOxQCJie0o8pcM0cONjgPY8MQHxCWMuiYB7SEdafRj7K8F 6puVn+WG09Mxr4g9laEPZ6WYlaI1P6wkyBfl0bHG2c3CP4rAo5Q4BY85vL/KqqyvGIGk DIrb4WMIrCXfiCHLsDc0rJ6AcZ302P2yQbLQZ7HAXQXJmTPdb5kLzk4Z7TW2LAAviI6f xWPSuj/sylJXz0xZ7DQYNVIUh1sMRDerO1dG/x0U+pc1zirTRuetmXlkQ6dasfZPJyUf yRnQ== X-Forwarded-Encrypted: i=1; AJvYcCVmaZBrwmL64LwU+uL1mSw/GgXlGpGMQ4TjILNajWXwFeuLo7w48kItUMcv8hxCsPcJr8nB/kgzlQJwja8ATB3432T0vTeVNNXsmqw1 X-Gm-Message-State: AOJu0Yzy4r1/sRYCGvn0ZjEsR87IjSdYvckFv2zyxQWxQ6fXoVfHzDkz 8f+85Wva54vHHHXNOwZSSHEr8bBUKKbL1KeUUiJ1s0fPPz8XnUyiUvppqDJTDHJGXhxXjEDBFK4 B X-Google-Smtp-Source: AGHT+IF7EFvGMEWr3pSOe3ttWzuPOBO9uekNYTXi7CPcw+9uIitHHwkUX7fmGEK32jf/6d5fRZGkyA== X-Received: by 2002:a05:6870:d629:b0:251:2766:deb5 with SMTP id 586e51a60fabf-25d0163f01bmr6692531fac.9.1719261994534; Mon, 24 Jun 2024 13:46:34 -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-25cd4c106dbsm2092849fac.58.2024.06.24.13.46.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jun 2024 13:46:34 -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 v3 2/2] iio: adc: ad7944: use devm_spi_optimize_message() Date: Mon, 24 Jun 2024 15:46:08 -0500 Message-ID: <20240624-devm_spi_optimize_message-v3-2-912138c27b66@baylibre.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240624-devm_spi_optimize_message-v3-0-912138c27b66@baylibre.com> References: <20240624-devm_spi_optimize_message-v3-0-912138c27b66@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.12.4 Content-Transfer-Encoding: quoted-printable 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); =20 -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 =3D adc->always_turbo ? adc->timing_spec->turbo_co= nv_ns : adc->timing_spec->conv_ns; struct spi_transfer *xfers =3D adc->xfers; - int ret; =20 /* * 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 * =20 spi_message_init_with_transfers(&adc->msg, xfers, 3); =20 - ret =3D 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); } =20 static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_ad= c *adc, @@ -188,7 +178,6 @@ static int ad7944_4wire_mode_init_msg(struct device *de= v, struct ad7944_adc *adc unsigned int t_conv_ns =3D adc->always_turbo ? adc->timing_spec->turbo_co= nv_ns : adc->timing_spec->conv_ns; struct spi_transfer *xfers =3D adc->xfers; - int ret; =20 /* * 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 *d= ev, struct ad7944_adc *adc =20 spi_message_init_with_transfers(&adc->msg, xfers, 2); =20 - ret =3D 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); } =20 static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_ad= c *adc, @@ -221,7 +206,6 @@ static int ad7944_chain_mode_init_msg(struct device *de= v, struct ad7944_adc *adc u32 n_chain_dev) { struct spi_transfer *xfers =3D adc->xfers; - int ret; =20 /* * 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 *d= ev, struct ad7944_adc *adc =20 spi_message_init_with_transfers(&adc->msg, xfers, 2); =20 - ret =3D 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); } =20 /** --=20 2.45.2