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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3825C43603 for ; Thu, 12 Dec 2019 10:20:24 +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 C6717206A5 for ; Thu, 12 Dec 2019 10:20:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="L+ZqhUPC"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="Ch+J675q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6717206A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date: In-reply-to:Subject:To:From:References:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=uJtyxpYL/VCuj5zPuu5VPnR64qvKihVUHJZEb+XKFa8=; b=L+ZqhUPCRjnU2agjLaKe04JD3s zMbiMAwqG+q1Q4Lh79DFSXimVABwYJHVNzNaS/m/FapyYJfF618KhV70rAAvV5FsU17YZAQPpigux Uj4ouWIesaqFlCgoSE2y5y4m6pdboh13cxHKM/HHNiKJLGr1hfRVR08N07kqrSArnDd7CRvGj4HoW SaAn6q5c1bSxa+3NTSyhI1VWQ/M/0f62J04SCqO3FwmQq3TbJRdZy0cAE/WznjmczD3zkErtcWfjZ Lk29JR4H4W7EuMhiN7cHVPrElW1bUjma76JJL2csTi5Q1b4lZ8jSiAPqvgbvI4Wfs9U6GeOswVLrH 9y8sJ7Dg==; 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 1ifLZz-0002U1-OE; Thu, 12 Dec 2019 10:20:19 +0000 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ifLZk-00015f-IO for linux-amlogic@lists.infradead.org; Thu, 12 Dec 2019 10:20:06 +0000 Received: by mail-wr1-x443.google.com with SMTP id y17so2102974wrh.5 for ; Thu, 12 Dec 2019 02:20:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version; bh=FWshdGOlPI7yjVJAElFvMo0mlzQ6xIrNID/VuBYtMSo=; b=Ch+J675qtJbBX8NFcLS7CYqYDrNctC1O0yw6s4DcnHprhA91RaEmIlTNuyNTsQwWrC hvbgwH5ipBMwZN/Ar5J6GQJPFZwa49XYAT5QK12dmuqXkFJ0ZMPa8A24SpxxohwxxDIj S5KM2WaPLDMe6iu+lTejbUH7fGBZnQGwsexvq9rgMDEX9KjE9q5UJDGKhGFrNhSVAq+D xJWnK6ThYoeS8N9wQg0AWif5xusWzRBrA5KLqeo8coRGQUVOFs8e6o34T/CfPalY1nPl 7K7IlI+Tg35SVoDo2AnDk4E0bjXPrZ+iNJn28zUBHamlbQDZxtlLAeg+ce0MtasPGheL RmPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version; bh=FWshdGOlPI7yjVJAElFvMo0mlzQ6xIrNID/VuBYtMSo=; b=TbQ1WnXcdzpAYZikH6OfeU5ODgWFjrw4zIhzCdkdS0cgjn3DdnFW1t4kGIHgYmYRWu /0Ha4wBbJuDMDjbE5FiXcZHyd3U7vtfMPJUo5BNFYkdBNNuNZw+p2RyrKBIP5LcHq3lC FKmVXyLQcztaeVb1FGJF40tSQ4b1EggBfLRztE1I/rrDw6glBipuhpNjUR5QV7a949WS 3toHkio4kd/waVriTNL7dDYctW5mKKcP+CreipBp5uehNDT993NApAPE7GlaA6xi5k7p u88MJFOjuIUqqnlakT+4jxOfe0gm6Nsq2w9E9a0xMwBTJKkt9A/5nryxYj4xp11wbyj3 CEug== X-Gm-Message-State: APjAAAV75cOu2d2T2W0LuEbbYc6L5RKIuQU8c7vrJhbDSO/cMLzcK/CZ 5VFBkMB7yHdkWqAFs7Xm3EOSTA== X-Google-Smtp-Source: APXvYqw+sp+j42VZGq85rGThgx/ogUAVCFmxSUrPZRugAeSCRN9cShhFUB1lK7uDgM7f0ZfqlYo+zg== X-Received: by 2002:adf:ffc7:: with SMTP id x7mr5320534wrs.159.1576146000146; Thu, 12 Dec 2019 02:20:00 -0800 (PST) Received: from localhost (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id e6sm5485646wru.44.2019.12.12.02.19.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Dec 2019 02:19:59 -0800 (PST) References: <20191206074052.15557-1-jian.hu@amlogic.com> <20191206074052.15557-4-jian.hu@amlogic.com> User-agent: mu4e 1.3.3; emacs 26.2 From: Jerome Brunet To: Jian Hu , Neil Armstrong Subject: Re: [PATCH v4 3/6] clk: meson: eeclk: refactor eeclk common driver to support A1 In-reply-to: <20191206074052.15557-4-jian.hu@amlogic.com> Date: Thu, 12 Dec 2019 11:19:59 +0100 Message-ID: <1j7e31lub4.fsf@starbuckisacylon.baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191212_022004_624559_EF1E3819 X-CRM114-Status: GOOD ( 16.09 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Victor Wan , Jianxin Pan , Martin Blumenstingl , Kevin Hilman , Michael Turquette , linux-kernel@vger.kernel.org, Stephen Boyd , Qiufang Dai , Chandle Zou , linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On Fri 06 Dec 2019 at 08:40, Jian Hu wrote: > Introduce a common probe function for A1 series, the way to get > regmap is different between A1 series and the previous series. > The register region is only for one clock driver, the function of > meson_eeclkc_probe is not fit for A1, So it is necessary to > introduce a new function. Please drop this patch #1 you are patching the EE driver for something that is no longer an EE driver #2 Let's get the basics right, you can move (re)factoring afterward Your probe function is simple enough. Just properly write it in each driver for now. > > Signed-off-by: Jian Hu > --- > drivers/clk/meson/meson-eeclk.c | 59 +++++++++++++++++++++++++++------ > drivers/clk/meson/meson-eeclk.h | 1 + > 2 files changed, 50 insertions(+), 10 deletions(-) > > diff --git a/drivers/clk/meson/meson-eeclk.c b/drivers/clk/meson/meson-eeclk.c > index a7cb1e7aedc4..12ceb1caabd8 100644 > --- a/drivers/clk/meson/meson-eeclk.c > +++ b/drivers/clk/meson/meson-eeclk.c > @@ -13,25 +13,37 @@ > #include "clk-regmap.h" > #include "meson-eeclk.h" > > -int meson_eeclkc_probe(struct platform_device *pdev) > +static struct regmap_config clkc_regmap_config = { > + .reg_bits = 32, > + .val_bits = 32, > + .reg_stride = 4, > +}; > + > +static struct regmap *meson_regmap_resource(struct platform_device *pdev) > +{ > + struct resource *res; > + void __iomem *base; > + struct device *dev = &pdev->dev; > + > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + > + base = devm_ioremap_resource(dev, res); > + if (IS_ERR(base)) > + return ERR_CAST(base); > + > + return devm_regmap_init_mmio(dev, base, &clkc_regmap_config); > +} > + > +static int meson_common_probe(struct platform_device *pdev, struct regmap *map) > { > const struct meson_eeclkc_data *data; > struct device *dev = &pdev->dev; > - struct regmap *map; > int ret, i; > > data = of_device_get_match_data(dev); > if (!data) > return -EINVAL; > > - /* Get the hhi system controller node */ > - map = syscon_node_to_regmap(of_get_parent(dev->of_node)); > - if (IS_ERR(map)) { > - dev_err(dev, > - "failed to get HHI regmap\n"); > - return PTR_ERR(map); > - } > - > if (data->init_count) > regmap_multi_reg_write(map, data->init_regs, data->init_count); > > @@ -54,3 +66,30 @@ int meson_eeclkc_probe(struct platform_device *pdev) > return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, > data->hw_onecell_data); > } > + > +int meson_eeclkc_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct regmap *map; > + > + /* Get the hhi system controller node */ > + map = syscon_node_to_regmap(of_get_parent(dev->of_node)); > + if (IS_ERR(map)) { > + dev_err(dev, > + "failed to get HHI regmap\n"); > + return PTR_ERR(map); > + } > + > + return meson_common_probe(pdev, map); > +} > + > +int meson_clkc_probe(struct platform_device *pdev) > +{ > + struct regmap *map; > + > + map = meson_regmap_resource(pdev); > + if (IS_ERR(map)) > + return PTR_ERR(map); > + > + return meson_common_probe(pdev, map); > +} > diff --git a/drivers/clk/meson/meson-eeclk.h b/drivers/clk/meson/meson-eeclk.h > index 77316207bde1..a2e9ab3a4f6b 100644 > --- a/drivers/clk/meson/meson-eeclk.h > +++ b/drivers/clk/meson/meson-eeclk.h > @@ -21,5 +21,6 @@ struct meson_eeclkc_data { > }; > > int meson_eeclkc_probe(struct platform_device *pdev); > +int meson_clkc_probe(struct platform_device *pdev); > > #endif /* __MESON_CLKC_H */ _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic