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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 1idiXi-0002ue-8S; Sat, 07 Dec 2019 22:27:14 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1idiVW-0007xn-M4; Sat, 07 Dec 2019 22:25:02 +0000 Received: from ziggy.de (unknown [95.169.229.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0B76424677; Sat, 7 Dec 2019 22:24:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575757497; bh=FAUVKc3LCu1hHsC00k/MW/ZDjSgvalsHfSMYXaOWuAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UCVT5Frm8oiSOjPjJKrImLyQEpqFfMP8vThjy4aI+HDoqMfBvL/8fW7yAHmREc3B7 3xcR1NB4HWwCpSByUSFtBqAW3UiTK+w2Jpr/5PqJBd5w02bnTc/HKuZeLFjWIusSVi gUtwIoaskz72ss8TxMvE+pjXyDQnlJuKv2F95rCw= From: matthias.bgg@kernel.org To: robh+dt@kernel.org, mark.rutland@arm.com, ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie, mturquette@baylibre.com, sboyd@codeaurora.org, ulrich.hecht+renesas@gmail.com, laurent.pinchart@ideasonboard.com, enric.balletbo@collabora.com Subject: [PATCH v6 06/12] clk: mediatek: mt2701: switch mmsys to platform device probing Date: Sat, 7 Dec 2019 23:23:43 +0100 Message-Id: <20191207222349.23161-7-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191207222349.23161-1-matthias.bgg@kernel.org> References: <20191207222349.23161-1-matthias.bgg@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191207_142458_802681_0400E67E X-CRM114-Status: GOOD ( 11.84 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -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_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 -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, rdunlap@infradead.org, frank-w@public-files.de, sean.wang@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, sean.wang@kernel.org, wens@csie.org, drinkcat@chromium.org, linux-mediatek@lists.infradead.org, mbrugger@suse.com, hsinyi@chromium.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Matthias Brugger Switch probing for the MMSYS to support invocation to a plain paltform device. The driver will be probed by the DRM subsystem. Signed-off-by: Matthias Brugger --- drivers/clk/mediatek/clk-mt2701-mm.c | 41 ++++++++++++++++++++-------- 1 file changed, 29 insertions(+), 12 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-mm.c b/drivers/clk/mediatek/clk-mt2701-mm.c index 054b597d4a73..4a9433c2b2b8 100644 --- a/drivers/clk/mediatek/clk-mt2701-mm.c +++ b/drivers/clk/mediatek/clk-mt2701-mm.c @@ -4,14 +4,20 @@ * Author: Shunli Wang */ +#include #include #include +#include #include "clk-mtk.h" #include "clk-gate.h" #include +struct clk_mt2701_mm_priv { + struct clk_onecell_data *clk_data; +}; + static const struct mtk_gate_regs disp0_cg_regs = { .set_ofs = 0x0104, .clr_ofs = 0x0108, @@ -79,23 +85,25 @@ static const struct mtk_gate mm_clks[] = { GATE_DISP1(CLK_MM_TVE_FMM, "mm_tve_fmm", "mm_sel", 14), }; -static const struct of_device_id of_match_clk_mt2701_mm[] = { - { .compatible = "mediatek,mt2701-mmsys", }, - {} -}; - static int clk_mt2701_mm_probe(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; int r; - struct device_node *node = pdev->dev.of_node; + struct device_node *node = pdev->dev.parent->of_node; + struct clk_mt2701_mm_priv *private; + + private = devm_kzalloc(&pdev->dev, sizeof(*private), GFP_KERNEL); + if (!private) + return -ENOMEM; - clk_data = mtk_alloc_clk_data(CLK_MM_NR); + private->clk_data = mtk_alloc_clk_data(CLK_MM_NR); + + platform_set_drvdata(pdev, private); mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks), - clk_data); + private->clk_data); - r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r = of_clk_add_provider(node, of_clk_src_onecell_get, + private->clk_data); if (r) dev_err(&pdev->dev, "could not register clock provider: %s: %d\n", @@ -104,12 +112,21 @@ static int clk_mt2701_mm_probe(struct platform_device *pdev) return r; } +static int clk_mt2701_mm_remove(struct platform_device *pdev) +{ + struct clk_mt2701_mm_priv *private = platform_get_drvdata(pdev); + + kfree(private->clk_data); + + return 0; +} + static struct platform_driver clk_mt2701_mm_drv = { .probe = clk_mt2701_mm_probe, + .remove = clk_mt2701_mm_remove, .driver = { .name = "clk-mt2701-mm", - .of_match_table = of_match_clk_mt2701_mm, }, }; -builtin_platform_driver(clk_mt2701_mm_drv); +module_platform_driver(clk_mt2701_mm_drv);