From patchwork Wed Jun 15 23:15:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 12883034 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 78EF2C43334 for ; Wed, 15 Jun 2022 23:17:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UbwUZvdT+qwP6vy1I5NrEM5JNuj7tSg5g2Rzc5Nis+8=; b=RrmH8+qKJ4S4+J HOFIFVd/ifNWIgNl+XH4/UF8zT6iavMNH/YOem7uaz4F+NdQqzKIo/3JqkYzi6s0AsqEJpHTxgSvF jaUYxLR/rL0ZTFYgNZtyEGh0Sash7rU1OMp94dcVuwhzqW9weqNcfmklrB8c4HmKMbKCmmAuNuWYL OtrFn2tBMlZhUfABiLTbci7TMR8DkBbLpmL1Li7phEoaeTX7Wo+cF+7XosSAN52mIu0pH5GT7rTjx 8oj5AZp15SHTVB7gWj9+SCQ6AZU4v8cwOvRyoOCJepj8TUvW6/p7nltAPXbo6HvAKlyxYcWMcruFt f6FSeHB310U0hhdTxx/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1cFg-00Gox1-0j; Wed, 15 Jun 2022 23:16:44 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1cFB-00Gofy-1K for linux-arm-kernel@lists.infradead.org; Wed, 15 Jun 2022 23:16:14 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 194D36199D; Wed, 15 Jun 2022 23:16:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98E0AC3411A; Wed, 15 Jun 2022 23:16:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655334971; bh=eFQjAab+ad8vZ+YVNE/szknbioi8lzh0HBYCCA+n+MQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DiYi/LaHDcGi7iKc941YCZijL3AJfjUWjuqfGTIOi6S0pKzWdZAiXhIaTcM/4XuBw +68hcUMQd+l8ctW4zMr9Jl65WpaxmPg/zKz94zfkjb0nvI2NlB0oCPENZMkCBQIiY+ HU4j0e+Z28flV1s3Flb2v8ZrynYGz8grY0Qj1VC3kAC4nNc/wIIzSeccJSdJ2dWsA2 /NickpoVO9ccttLYAMrYxFvs5UiTb3ZiTunEGrgqxeHYqm05GOU/kNYDSYoCeABnM3 xz2qeSXFC3kUVQ0M9d4yB4L3BIwSs5LCgNNG7DP8bcV9vUEbbVj8j1UcWC4zD+d0K+ 9NEBgxB7AL22A== From: Bjorn Helgaas To: Richard Zhu , Lucas Stach , Rob Herring , Mark Brown , Lorenzo Pieralisi , Fabio Estevam , Francesco Dolcini Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com, Bjorn Helgaas Subject: [PATCH v12 04/13] PCI: imx6: Move imx6_pcie_clk_disable() earlier Date: Wed, 15 Jun 2022 18:15:42 -0500 Message-Id: <20220615231551.1054753-5-helgaas@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220615231551.1054753-1-helgaas@kernel.org> References: <20220615231551.1054753-1-helgaas@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220615_161613_220049_4899F85E X-CRM114-Status: GOOD ( 12.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Richard Zhu Move imx6_pcie_clk_disable() earlier to be near other clock-related functions. No functional change intended. [bhelgaas: reorder patch so pure moves are earlier] Link: https://lore.kernel.org/r/1655189942-12678-4-git-send-email-hongxing.z hu@nxp.com Signed-off-by: Richard Zhu Signed-off-by: Bjorn Helgaas Reviewed-by: Lucas Stach --- drivers/pci/controller/dwc/pci-imx6.c | 48 +++++++++++++-------------- 1 file changed, 24 insertions(+), 24 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index a6d2b907d42b..38f208eea2d7 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -580,6 +580,30 @@ static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie) return ret; } +static void imx6_pcie_clk_disable(struct imx6_pcie *imx6_pcie) +{ + clk_disable_unprepare(imx6_pcie->pcie); + clk_disable_unprepare(imx6_pcie->pcie_phy); + clk_disable_unprepare(imx6_pcie->pcie_bus); + + switch (imx6_pcie->drvdata->variant) { + case IMX6SX: + clk_disable_unprepare(imx6_pcie->pcie_inbound_axi); + break; + case IMX7D: + regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, + IMX7D_GPR12_PCIE_PHY_REFCLK_SEL, + IMX7D_GPR12_PCIE_PHY_REFCLK_SEL); + break; + case IMX8MQ: + case IMX8MM: + clk_disable_unprepare(imx6_pcie->pcie_aux); + break; + default: + break; + } +} + static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie) { struct device *dev = imx6_pcie->pci->dev; @@ -941,30 +965,6 @@ static void imx6_pcie_pm_turnoff(struct imx6_pcie *imx6_pcie) usleep_range(1000, 10000); } -static void imx6_pcie_clk_disable(struct imx6_pcie *imx6_pcie) -{ - clk_disable_unprepare(imx6_pcie->pcie); - clk_disable_unprepare(imx6_pcie->pcie_phy); - clk_disable_unprepare(imx6_pcie->pcie_bus); - - switch (imx6_pcie->drvdata->variant) { - case IMX6SX: - clk_disable_unprepare(imx6_pcie->pcie_inbound_axi); - break; - case IMX7D: - regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, - IMX7D_GPR12_PCIE_PHY_REFCLK_SEL, - IMX7D_GPR12_PCIE_PHY_REFCLK_SEL); - break; - case IMX8MQ: - case IMX8MM: - clk_disable_unprepare(imx6_pcie->pcie_aux); - break; - default: - break; - } -} - static int imx6_pcie_suspend_noirq(struct device *dev) { struct imx6_pcie *imx6_pcie = dev_get_drvdata(dev);