From patchwork Tue Dec 10 20:31:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 11283215 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DB839112B for ; Tue, 10 Dec 2019 20:32:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B024E22B48 for ; Tue, 10 Dec 2019 20:32:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AvBrHnaL"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="U47CDhuz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B024E22B48 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=eZbApiqSp0JeTCuCtLzCUCqylDLSm1u0t8jMvl58XhQ=; b=AvB rHnaLPQkxiHIkn7P9mVu0THUwj+osoeE4Td8jfGt+qswdVE0HO4H4YyqQ27kaAf1mPppaAZL8a1LP QdAX4PrMc7eGvztzG7+u4+L+YYruRa1qYiIhkmx7K6C/n7T2mlq4ZM17Gg0LuTqg69/OAL3x/n+bM NdgCmOVw+XL1Max6oI7NBQxNKFaURQAxpf56hHSuUzCB5R7CUpkFmurdCugu8K8qvcG2LXev0X4QV slPSpAPVXoYgwprALzE04zOZeZh2df8YKL/sh97vHLzEEaHrKL8LoRm7QjQ3b4DEEiHB5LwHJcS6o QOH5iEKmPgz9Dp6/KkxV7YEA6Ix6KPw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemAq-0000uW-Uk; Tue, 10 Dec 2019 20:32:00 +0000 Received: from mail-pg1-x542.google.com ([2607:f8b0:4864:20::542]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemAn-0000ta-Rb; Tue, 10 Dec 2019 20:31:59 +0000 Received: by mail-pg1-x542.google.com with SMTP id a33so9218051pgm.5; Tue, 10 Dec 2019 12:31:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=AXdgRPOupq8mpOVW9fDaoE7i0os1nP349i6MmUYJbLw=; b=U47CDhuz0r/IRPYg0nOXL/3oQEygnoHNuYbU416HhjOKsXQBiAh+ym1mFxz/CLQKm5 PAVLw4SDABvaWmZ6bDTz999xnkwov7EtfUtskkLSFlFlTOTXZ48HnONY5r+XacqxAKbd e4orxhyQU+VQR1rtMO9s9kf40rm/F46gVN2XfWisUUBCx5FZAv2/cKL9APa/XGbuMcLj YrBY7CV0GV3tSsguNm5eZkG6axi5HxyKGuXGYLQtKtZxVp4Hx/n7cWGME6g5Zwul9k3A zU0r7xiXBLYg6HK48jJ/YaRswjyf0ppp2QCqkioiri5++NRLEcL34BqwDMkr+uoLZ7GT AM9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=AXdgRPOupq8mpOVW9fDaoE7i0os1nP349i6MmUYJbLw=; b=GFJuPZVJdi48d7erIo6zqz2+b6hnisVvaa5S14gaK/gAzFWcwAJMWWHH5CMddxzDce Dw7OzkhbQWMXrXTPfHzESos0uQETjl1OXXCCEYPvI1Xm0Xao2NNitMKRm3y3LwdlrLee lmshSwAJFRDEtTDhSsFCa7mQy1J6S6+jY2bmDww9jzhxx1LQOGXMvWZCQlRhtMVshOqM UPc4bitK3IwCWsrp5au7lRKzJkwt+q3kLO2F3DF34RqQu5CyyzPQnQrbPVwSqjMibbsE YWOUzCiRF4FuIBNpQuAL6FctuE2FnKpFXK7pYBb0bWT8z5JcQbHBTbtp7ZzGMqEJ+5RI 6okQ== X-Gm-Message-State: APjAAAVcmRQ87H//0j3wRembLlEJ+sccF9uk8qymMkECo1HbBWUzZQ7B HmQLPW2TxX39pjKI34phYNc= X-Google-Smtp-Source: APXvYqxPRg90G2e3ms8KufWeN+ZC2r3Ex2vY+OO9rQ98PC7ykiMNV67F2VhmRn+uvjDiPQaOrmxL8A== X-Received: by 2002:aa7:8b55:: with SMTP id i21mr37408207pfd.249.1576009916862; Tue, 10 Dec 2019 12:31:56 -0800 (PST) Received: from localhost ([2001:19f0:6001:12c8:5400:2ff:fe72:6403]) by smtp.gmail.com with ESMTPSA id b21sm4604086pfp.0.2019.12.10.12.31.55 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 10 Dec 2019 12:31:56 -0800 (PST) From: Yangtao Li To: gregkh@linuxfoundation.org, rafael@kernel.org, srinivas.kandagatla@linaro.org, vz@mleia.com, khilman@baylibre.com, mripard@kernel.org, wens@csie.org, andriy.shevchenko@linux.intel.com, mchehab+samsung@kernel.org, mans@mansr.com, treding@nvidia.com, suzuki.poulose@arm.com, bgolaszewski@baylibre.com, tglx@linutronix.de Subject: [PATCH] drivers: add devm_platform_ioremap_resource_byname() helper Date: Tue, 10 Dec 2019 20:31:45 +0000 Message-Id: <20191210203149.7115-1-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_123157_916789_39086291 X-CRM114-Status: UNSURE ( 9.71 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:542 listed in] [list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (tiny.windzz[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yangtao Li , linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org There are currently 300+ instances of using platform_get_resource_byname() and devm_ioremap_resource() together in the kernel tree. This patch wraps these two calls in a single helper. Signed-off-by: Yangtao Li --- drivers/base/platform.c | 22 +++++++++++++++++++++- include/linux/platform_device.h | 3 +++ 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index b6c6c7d97d5b..9c4f5e229600 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -60,6 +60,7 @@ struct resource *platform_get_resource(struct platform_device *dev, } EXPORT_SYMBOL_GPL(platform_get_resource); +#ifdef CONFIG_HAS_IOMEM /** * devm_platform_ioremap_resource - call devm_ioremap_resource() for a platform * device @@ -68,7 +69,7 @@ EXPORT_SYMBOL_GPL(platform_get_resource); * resource management * @index: resource index */ -#ifdef CONFIG_HAS_IOMEM + void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, unsigned int index) { @@ -78,6 +79,25 @@ void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, return devm_ioremap_resource(&pdev->dev, res); } EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource); + +/** + * devm_platform_ioremap_resource_byname - call devm_ioremap_resource() for + * a platform device + * + * @pdev: platform device to use both for memory resource lookup as well as + * resource managemend + * @name: resource name + */ +void __iomem * +devm_platform_ioremap_resource_byname(struct platform_device *pdev, + const char *name) +{ + struct resource *res; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); + return devm_ioremap_resource(&pdev->dev, res); +} +EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource_byname); #endif /* CONFIG_HAS_IOMEM */ static int __platform_get_irq(struct platform_device *dev, unsigned int num) diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 1b5cec067533..24ff5da9c532 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -63,6 +63,9 @@ extern int platform_irq_count(struct platform_device *); extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, const char *); +extern void __iomem * +devm_platform_ioremap_resource_byname(struct platform_device *pdev, + const char *name); extern int platform_get_irq_byname(struct platform_device *, const char *); extern int platform_add_devices(struct platform_device **, int); From patchwork Tue Dec 10 20:31:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 11283223 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0C9F5112B for ; Tue, 10 Dec 2019 20:32:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DF35620652 for ; Tue, 10 Dec 2019 20:32:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="obQyBXrG"; 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Tue, 10 Dec 2019 12:32:00 -0800 (PST) From: Yangtao Li To: gregkh@linuxfoundation.org, rafael@kernel.org, srinivas.kandagatla@linaro.org, vz@mleia.com, khilman@baylibre.com, mripard@kernel.org, wens@csie.org, andriy.shevchenko@linux.intel.com, mchehab+samsung@kernel.org, mans@mansr.com, treding@nvidia.com, suzuki.poulose@arm.com, bgolaszewski@baylibre.com, tglx@linutronix.de Subject: [PATCH 2/5] nvmem: lpc18xx_otp: convert to devm_platform_ioremap_resource Date: Tue, 10 Dec 2019 20:31:47 +0000 Message-Id: <20191210203149.7115-3-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191210203149.7115-1-tiny.windzz@gmail.com> References: <20191210203149.7115-1-tiny.windzz@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_123201_222786_E1346ED4 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. 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Signed-off-by: Yangtao Li --- drivers/nvmem/lpc18xx_otp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/nvmem/lpc18xx_otp.c b/drivers/nvmem/lpc18xx_otp.c index 16c92ea85d49..8faed05e3cbe 100644 --- a/drivers/nvmem/lpc18xx_otp.c +++ b/drivers/nvmem/lpc18xx_otp.c @@ -68,14 +68,12 @@ static int lpc18xx_otp_probe(struct platform_device *pdev) { struct nvmem_device *nvmem; struct lpc18xx_otp *otp; - struct resource *res; otp = devm_kzalloc(&pdev->dev, sizeof(*otp), GFP_KERNEL); if (!otp) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - otp->base = devm_ioremap_resource(&pdev->dev, res); + otp->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(otp->base)) return PTR_ERR(otp->base); From patchwork Tue Dec 10 20:31:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 11283227 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2D7ED138C for ; 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Signed-off-by: Yangtao Li Reviewed-by: Martin Blumenstingl --- drivers/nvmem/meson-mx-efuse.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/nvmem/meson-mx-efuse.c b/drivers/nvmem/meson-mx-efuse.c index 07c9f38c1c60..24c6e8b15987 100644 --- a/drivers/nvmem/meson-mx-efuse.c +++ b/drivers/nvmem/meson-mx-efuse.c @@ -194,7 +194,6 @@ static int meson_mx_efuse_probe(struct platform_device *pdev) { const struct meson_mx_efuse_platform_data *drvdata; struct meson_mx_efuse *efuse; - struct resource *res; drvdata = of_device_get_match_data(&pdev->dev); if (!drvdata) @@ -204,8 +203,7 @@ static int meson_mx_efuse_probe(struct platform_device *pdev) if (!efuse) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - efuse->base = devm_ioremap_resource(&pdev->dev, res); + efuse->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(efuse->base)) return PTR_ERR(efuse->base); From patchwork Tue Dec 10 20:31:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 11283231 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E8FA8112B for ; 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Signed-off-by: Yangtao Li --- drivers/nvmem/bcm-ocotp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/nvmem/bcm-ocotp.c b/drivers/nvmem/bcm-ocotp.c index a8097511582a..87b7198a7676 100644 --- a/drivers/nvmem/bcm-ocotp.c +++ b/drivers/nvmem/bcm-ocotp.c @@ -254,7 +254,6 @@ MODULE_DEVICE_TABLE(acpi, bcm_otpc_acpi_ids); static int bcm_otpc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct resource *res; struct otpc_priv *priv; struct nvmem_device *nvmem; int err; @@ -269,8 +268,7 @@ static int bcm_otpc_probe(struct platform_device *pdev) return -ENODEV; /* Get OTP base address register. */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->base = devm_ioremap_resource(dev, res); + priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) { dev_err(dev, "unable to map I/O memory\n"); return PTR_ERR(priv->base);