From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mslow1.mail.gandi.net (mslow1.mail.gandi.net [217.70.178.240]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F20C33C1 for ; Fri, 15 Apr 2022 15:38:52 +0000 (UTC) Received: from relay4-d.mail.gandi.net (unknown [IPv6:2001:4b98:dc4:8::224]) by mslow1.mail.gandi.net (Postfix) with ESMTP id AE634CB1AD for ; Fri, 15 Apr 2022 15:28:30 +0000 (UTC) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id DFC26E0007; Fri, 15 Apr 2022 15:28:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1650036502; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Kf/LiFt2w5n6LAhs+x9ONo9acw4Kl67ZgsV7GIopoh0=; b=lYjWu6z50aWKbrA4wnh9x9n/aSsl/xKGq0SDfXJ42sa2IagcfqxcmXSX/hrlG+fwOaavNP CUlhoyHx9uDCC9ak3Uen8detp6Q80w3su4we0xlZ5XQZPmsBEe/Lg5G4IXqShYOI54pyW9 wc/ogreMqWBFAluDl91WwIl04ckD9yNzwV/Rv0w7SRtmGJ5kAFiakbhuiK8InfrdhrIZfY JIVNr0VME2nhjPneJfputiHwZCcmZ0xo0QosyEGZUPruOkru1aBjiEXdlcRPBIqJtrFJ64 Gqb59iUBF62FS0bzp5MKFHvYvHjahgbYJC9zlO8l2N3PloPpdpswwjW4VZqLgg== From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni , Maxime Ripard Subject: [PATCH v4 03/45] media: sun6i-csi: Tidy up platform code Date: Fri, 15 Apr 2022 17:27:29 +0200 Message-Id: <20220415152811.636419-4-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220415152811.636419-1-paul.kocialkowski@bootlin.com> References: <20220415152811.636419-1-paul.kocialkowski@bootlin.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Various renames, variables lowering and other cosmetic changes in the platform-support code. No functional change intended. Signed-off-by: Paul Kocialkowski Reviewed-by: Maxime Ripard --- .../platform/sunxi/sun6i-csi/sun6i_csi.c | 98 ++++++++++--------- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 4 +- 2 files changed, 56 insertions(+), 46 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index 5fbaa1e99412..becd8d17f8eb 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -153,25 +153,25 @@ int sun6i_csi_set_power(struct sun6i_csi_device *csi_dev, bool enable) if (!enable) { regmap_update_bits(regmap, CSI_EN_REG, CSI_EN_CSI_EN, 0); - clk_disable_unprepare(csi_dev->clk_ram); + clk_disable_unprepare(csi_dev->clock_ram); if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clk_rate_exclusive_put(csi_dev->clk_mod); - clk_disable_unprepare(csi_dev->clk_mod); + clk_rate_exclusive_put(csi_dev->clock_mod); + clk_disable_unprepare(csi_dev->clock_mod); reset_control_assert(csi_dev->reset); return 0; } - ret = clk_prepare_enable(csi_dev->clk_mod); + ret = clk_prepare_enable(csi_dev->clock_mod); if (ret) { dev_err(csi_dev->dev, "Enable csi clk err %d\n", ret); return ret; } if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clk_set_rate_exclusive(csi_dev->clk_mod, 300000000); + clk_set_rate_exclusive(csi_dev->clock_mod, 300000000); - ret = clk_prepare_enable(csi_dev->clk_ram); + ret = clk_prepare_enable(csi_dev->clock_ram); if (ret) { dev_err(csi_dev->dev, "Enable clk_dram_csi clk err %d\n", ret); goto clk_mod_disable; @@ -188,11 +188,11 @@ int sun6i_csi_set_power(struct sun6i_csi_device *csi_dev, bool enable) return 0; clk_ram_disable: - clk_disable_unprepare(csi_dev->clk_ram); + clk_disable_unprepare(csi_dev->clock_ram); clk_mod_disable: if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clk_rate_exclusive_put(csi_dev->clk_mod); - clk_disable_unprepare(csi_dev->clk_mod); + clk_rate_exclusive_put(csi_dev->clock_mod); + clk_disable_unprepare(csi_dev->clock_mod); return ret; } @@ -776,12 +776,11 @@ static int sun6i_csi_v4l2_init(struct sun6i_csi_device *csi_dev) return ret; } -/* ----------------------------------------------------------------------------- - * Resources and IRQ - */ -static irqreturn_t sun6i_csi_isr(int irq, void *dev_id) +/* Platform */ + +static irqreturn_t sun6i_csi_interrupt(int irq, void *private) { - struct sun6i_csi_device *csi_dev = (struct sun6i_csi_device *)dev_id; + struct sun6i_csi_device *csi_dev = private; struct regmap *regmap = csi_dev->regmap; u32 status; @@ -816,73 +815,82 @@ static const struct regmap_config sun6i_csi_regmap_config = { .max_register = 0x9c, }; -static int sun6i_csi_resource_request(struct sun6i_csi_device *csi_dev, - struct platform_device *pdev) +static int sun6i_csi_resources_setup(struct sun6i_csi_device *csi_dev, + struct platform_device *platform_dev) { + struct device *dev = csi_dev->dev; void __iomem *io_base; int ret; int irq; - io_base = devm_platform_ioremap_resource(pdev, 0); + /* Registers */ + + io_base = devm_platform_ioremap_resource(platform_dev, 0); if (IS_ERR(io_base)) return PTR_ERR(io_base); - csi_dev->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", io_base, + csi_dev->regmap = devm_regmap_init_mmio_clk(dev, "bus", io_base, &sun6i_csi_regmap_config); if (IS_ERR(csi_dev->regmap)) { - dev_err(&pdev->dev, "Failed to init register map\n"); + dev_err(dev, "failed to init register map\n"); return PTR_ERR(csi_dev->regmap); } - csi_dev->clk_mod = devm_clk_get(&pdev->dev, "mod"); - if (IS_ERR(csi_dev->clk_mod)) { - dev_err(&pdev->dev, "Unable to acquire csi clock\n"); - return PTR_ERR(csi_dev->clk_mod); + /* Clocks */ + + csi_dev->clock_mod = devm_clk_get(dev, "mod"); + if (IS_ERR(csi_dev->clock_mod)) { + dev_err(dev, "failed to acquire module clock\n"); + return PTR_ERR(csi_dev->clock_mod); } - csi_dev->clk_ram = devm_clk_get(&pdev->dev, "ram"); - if (IS_ERR(csi_dev->clk_ram)) { - dev_err(&pdev->dev, "Unable to acquire dram-csi clock\n"); - return PTR_ERR(csi_dev->clk_ram); + csi_dev->clock_ram = devm_clk_get(dev, "ram"); + if (IS_ERR(csi_dev->clock_ram)) { + dev_err(dev, "failed to acquire ram clock\n"); + return PTR_ERR(csi_dev->clock_ram); } - csi_dev->reset = devm_reset_control_get_shared(&pdev->dev, NULL); + /* Reset */ + + csi_dev->reset = devm_reset_control_get_shared(dev, NULL); if (IS_ERR(csi_dev->reset)) { - dev_err(&pdev->dev, "Cannot get reset controller\n"); + dev_err(dev, "failed to acquire reset\n"); return PTR_ERR(csi_dev->reset); } - irq = platform_get_irq(pdev, 0); + /* Interrupt */ + + irq = platform_get_irq(platform_dev, 0); if (irq < 0) return -ENXIO; - ret = devm_request_irq(&pdev->dev, irq, sun6i_csi_isr, 0, - SUN6I_CSI_NAME, csi_dev); + ret = devm_request_irq(dev, irq, sun6i_csi_interrupt, 0, SUN6I_CSI_NAME, + csi_dev); if (ret) { - dev_err(&pdev->dev, "Cannot request csi IRQ\n"); + dev_err(dev, "failed to request interrupt\n"); return ret; } return 0; } -static int sun6i_csi_probe(struct platform_device *pdev) +static int sun6i_csi_probe(struct platform_device *platform_dev) { struct sun6i_csi_device *csi_dev; + struct device *dev = &platform_dev->dev; int ret; - csi_dev = devm_kzalloc(&pdev->dev, sizeof(*csi_dev), GFP_KERNEL); + csi_dev = devm_kzalloc(dev, sizeof(*csi_dev), GFP_KERNEL); if (!csi_dev) return -ENOMEM; - csi_dev->dev = &pdev->dev; + csi_dev->dev = &platform_dev->dev; + platform_set_drvdata(platform_dev, csi_dev); - ret = sun6i_csi_resource_request(csi_dev, pdev); + ret = sun6i_csi_resources_setup(csi_dev, platform_dev); if (ret) return ret; - platform_set_drvdata(pdev, csi_dev); - return sun6i_csi_v4l2_init(csi_dev); } @@ -903,16 +911,18 @@ static const struct of_device_id sun6i_csi_of_match[] = { { .compatible = "allwinner,sun50i-a64-csi", }, {}, }; + MODULE_DEVICE_TABLE(of, sun6i_csi_of_match); static struct platform_driver sun6i_csi_platform_driver = { - .probe = sun6i_csi_probe, - .remove = sun6i_csi_remove, - .driver = { - .name = SUN6I_CSI_NAME, - .of_match_table = of_match_ptr(sun6i_csi_of_match), + .probe = sun6i_csi_probe, + .remove = sun6i_csi_remove, + .driver = { + .name = SUN6I_CSI_NAME, + .of_match_table = of_match_ptr(sun6i_csi_of_match), }, }; + module_platform_driver(sun6i_csi_platform_driver); MODULE_DESCRIPTION("Allwinner A31 Camera Sensor Interface driver"); diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index e4e7ac6c869f..945d0cb5ab39 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -51,8 +51,8 @@ struct sun6i_csi_device { struct sun6i_video video; struct regmap *regmap; - struct clk *clk_mod; - struct clk *clk_ram; + struct clk *clock_mod; + struct clk *clock_ram; struct reset_control *reset; int planar_offset[3]; -- 2.35.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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 49B8BC433FE for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Various renames, variables lowering and other cosmetic changes in the platform-support code. No functional change intended. Signed-off-by: Paul Kocialkowski Reviewed-by: Maxime Ripard --- .../platform/sunxi/sun6i-csi/sun6i_csi.c | 98 ++++++++++--------- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 4 +- 2 files changed, 56 insertions(+), 46 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index 5fbaa1e99412..becd8d17f8eb 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -153,25 +153,25 @@ int sun6i_csi_set_power(struct sun6i_csi_device *csi_dev, bool enable) if (!enable) { regmap_update_bits(regmap, CSI_EN_REG, CSI_EN_CSI_EN, 0); - clk_disable_unprepare(csi_dev->clk_ram); + clk_disable_unprepare(csi_dev->clock_ram); if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clk_rate_exclusive_put(csi_dev->clk_mod); - clk_disable_unprepare(csi_dev->clk_mod); + clk_rate_exclusive_put(csi_dev->clock_mod); + clk_disable_unprepare(csi_dev->clock_mod); reset_control_assert(csi_dev->reset); return 0; } - ret = clk_prepare_enable(csi_dev->clk_mod); + ret = clk_prepare_enable(csi_dev->clock_mod); if (ret) { dev_err(csi_dev->dev, "Enable csi clk err %d\n", ret); return ret; } if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clk_set_rate_exclusive(csi_dev->clk_mod, 300000000); + clk_set_rate_exclusive(csi_dev->clock_mod, 300000000); - ret = clk_prepare_enable(csi_dev->clk_ram); + ret = clk_prepare_enable(csi_dev->clock_ram); if (ret) { dev_err(csi_dev->dev, "Enable clk_dram_csi clk err %d\n", ret); goto clk_mod_disable; @@ -188,11 +188,11 @@ int sun6i_csi_set_power(struct sun6i_csi_device *csi_dev, bool enable) return 0; clk_ram_disable: - clk_disable_unprepare(csi_dev->clk_ram); + clk_disable_unprepare(csi_dev->clock_ram); clk_mod_disable: if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clk_rate_exclusive_put(csi_dev->clk_mod); - clk_disable_unprepare(csi_dev->clk_mod); + clk_rate_exclusive_put(csi_dev->clock_mod); + clk_disable_unprepare(csi_dev->clock_mod); return ret; } @@ -776,12 +776,11 @@ static int sun6i_csi_v4l2_init(struct sun6i_csi_device *csi_dev) return ret; } -/* ----------------------------------------------------------------------------- - * Resources and IRQ - */ -static irqreturn_t sun6i_csi_isr(int irq, void *dev_id) +/* Platform */ + +static irqreturn_t sun6i_csi_interrupt(int irq, void *private) { - struct sun6i_csi_device *csi_dev = (struct sun6i_csi_device *)dev_id; + struct sun6i_csi_device *csi_dev = private; struct regmap *regmap = csi_dev->regmap; u32 status; @@ -816,73 +815,82 @@ static const struct regmap_config sun6i_csi_regmap_config = { .max_register = 0x9c, }; -static int sun6i_csi_resource_request(struct sun6i_csi_device *csi_dev, - struct platform_device *pdev) +static int sun6i_csi_resources_setup(struct sun6i_csi_device *csi_dev, + struct platform_device *platform_dev) { + struct device *dev = csi_dev->dev; void __iomem *io_base; int ret; int irq; - io_base = devm_platform_ioremap_resource(pdev, 0); + /* Registers */ + + io_base = devm_platform_ioremap_resource(platform_dev, 0); if (IS_ERR(io_base)) return PTR_ERR(io_base); - csi_dev->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", io_base, + csi_dev->regmap = devm_regmap_init_mmio_clk(dev, "bus", io_base, &sun6i_csi_regmap_config); if (IS_ERR(csi_dev->regmap)) { - dev_err(&pdev->dev, "Failed to init register map\n"); + dev_err(dev, "failed to init register map\n"); return PTR_ERR(csi_dev->regmap); } - csi_dev->clk_mod = devm_clk_get(&pdev->dev, "mod"); - if (IS_ERR(csi_dev->clk_mod)) { - dev_err(&pdev->dev, "Unable to acquire csi clock\n"); - return PTR_ERR(csi_dev->clk_mod); + /* Clocks */ + + csi_dev->clock_mod = devm_clk_get(dev, "mod"); + if (IS_ERR(csi_dev->clock_mod)) { + dev_err(dev, "failed to acquire module clock\n"); + return PTR_ERR(csi_dev->clock_mod); } - csi_dev->clk_ram = devm_clk_get(&pdev->dev, "ram"); - if (IS_ERR(csi_dev->clk_ram)) { - dev_err(&pdev->dev, "Unable to acquire dram-csi clock\n"); - return PTR_ERR(csi_dev->clk_ram); + csi_dev->clock_ram = devm_clk_get(dev, "ram"); + if (IS_ERR(csi_dev->clock_ram)) { + dev_err(dev, "failed to acquire ram clock\n"); + return PTR_ERR(csi_dev->clock_ram); } - csi_dev->reset = devm_reset_control_get_shared(&pdev->dev, NULL); + /* Reset */ + + csi_dev->reset = devm_reset_control_get_shared(dev, NULL); if (IS_ERR(csi_dev->reset)) { - dev_err(&pdev->dev, "Cannot get reset controller\n"); + dev_err(dev, "failed to acquire reset\n"); return PTR_ERR(csi_dev->reset); } - irq = platform_get_irq(pdev, 0); + /* Interrupt */ + + irq = platform_get_irq(platform_dev, 0); if (irq < 0) return -ENXIO; - ret = devm_request_irq(&pdev->dev, irq, sun6i_csi_isr, 0, - SUN6I_CSI_NAME, csi_dev); + ret = devm_request_irq(dev, irq, sun6i_csi_interrupt, 0, SUN6I_CSI_NAME, + csi_dev); if (ret) { - dev_err(&pdev->dev, "Cannot request csi IRQ\n"); + dev_err(dev, "failed to request interrupt\n"); return ret; } return 0; } -static int sun6i_csi_probe(struct platform_device *pdev) +static int sun6i_csi_probe(struct platform_device *platform_dev) { struct sun6i_csi_device *csi_dev; + struct device *dev = &platform_dev->dev; int ret; - csi_dev = devm_kzalloc(&pdev->dev, sizeof(*csi_dev), GFP_KERNEL); + csi_dev = devm_kzalloc(dev, sizeof(*csi_dev), GFP_KERNEL); if (!csi_dev) return -ENOMEM; - csi_dev->dev = &pdev->dev; + csi_dev->dev = &platform_dev->dev; + platform_set_drvdata(platform_dev, csi_dev); - ret = sun6i_csi_resource_request(csi_dev, pdev); + ret = sun6i_csi_resources_setup(csi_dev, platform_dev); if (ret) return ret; - platform_set_drvdata(pdev, csi_dev); - return sun6i_csi_v4l2_init(csi_dev); } @@ -903,16 +911,18 @@ static const struct of_device_id sun6i_csi_of_match[] = { { .compatible = "allwinner,sun50i-a64-csi", }, {}, }; + MODULE_DEVICE_TABLE(of, sun6i_csi_of_match); static struct platform_driver sun6i_csi_platform_driver = { - .probe = sun6i_csi_probe, - .remove = sun6i_csi_remove, - .driver = { - .name = SUN6I_CSI_NAME, - .of_match_table = of_match_ptr(sun6i_csi_of_match), + .probe = sun6i_csi_probe, + .remove = sun6i_csi_remove, + .driver = { + .name = SUN6I_CSI_NAME, + .of_match_table = of_match_ptr(sun6i_csi_of_match), }, }; + module_platform_driver(sun6i_csi_platform_driver); MODULE_DESCRIPTION("Allwinner A31 Camera Sensor Interface driver"); diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index e4e7ac6c869f..945d0cb5ab39 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -51,8 +51,8 @@ struct sun6i_csi_device { struct sun6i_video video; struct regmap *regmap; - struct clk *clk_mod; - struct clk *clk_ram; + struct clk *clock_mod; + struct clk *clock_ram; struct reset_control *reset; int planar_offset[3]; -- 2.35.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel