From patchwork Mon Jun 29 05:53:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11630451 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 5823313BD for ; Mon, 29 Jun 2020 06:08:04 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 3129823128 for ; Mon, 29 Jun 2020 06:08:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kSYkDnTZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3129823128 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To: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:List-Owner; bh=a0qHPFlUCdCqJ0cyXgDIWH0RsjSofx7tZwcOid9a17Q=; b=kSYkDnTZJXWW8hS3Ydj9mWqHt7 yTjC41lriOLDnkwSVmd+HXYNYwOagZKXC3s8f0FvursaB8q6XW5vhK63y1UzSDw9Y+sq4210BFv2D i1lKeSX6oydC4R4aeU4OCNN4EsBk56YaX4Ok0r9DKVzyBPAvgo1B5v/GSORMy/C8GFM1uDyaTq86j mwLHvYn0Hckz/ugAU1Glnd4N3cTeL0mdP5TTfX3t9doeQMlmxigK4klEhktzcT+/tnp6i3MsrZX/w aT8kemYjqq+ii3b6hBEUrLIvRq19+zepl5MbKa3IbOD701UqzhiHtZUobFk3BoIJmrp09XFSsY3vQ Aq9QCHwQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpmvs-0003NJ-HW; Mon, 29 Jun 2020 06:06:20 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpmve-0003Jw-Ql for linux-arm-kernel@lists.infradead.org; Mon, 29 Jun 2020 06:06:07 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id E5D78200FE3; Mon, 29 Jun 2020 08:06:05 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1278F200EF8; Mon, 29 Jun 2020 08:05:55 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 4F852402E0; Mon, 29 Jun 2020 14:05:42 +0800 (SGT) From: Anson Huang To: linux@armlinux.org.uk, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, mturquette@baylibre.com, sboyd@kernel.org, oleksandr.suvorov@toradex.com, stefan.agner@toradex.com, arnd@arndb.de, peng.fan@nxp.com, abel.vesa@nxp.com, aisheng.dong@nxp.com, fugang.duan@nxp.com, daniel.baluta@nxp.com, yuehaibing@huawei.com, sfr@canb.auug.org.au, viro@zeniv.linux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH V3 04/10] clk: imx: Support building SCU clock driver as module Date: Mon, 29 Jun 2020 13:53:56 +0800 Message-Id: <1593410042-10598-5-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593410042-10598-1-git-send-email-Anson.Huang@nxp.com> References: <1593410042-10598-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.21 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 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: Linux-imx@nxp.com 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 more and more requirements of building SoC specific drivers as modules, add support for building SCU clock driver as module to meet the requirement. Signed-off-by: Anson Huang --- Changes since V2: - use separated line for each file which is included for build; - include linux/export.h where necessary. --- drivers/clk/imx/Kconfig | 4 ++-- drivers/clk/imx/Makefile | 6 +++--- drivers/clk/imx/clk-lpcg-scu.c | 2 ++ drivers/clk/imx/clk-scu.c | 5 +++++ 4 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index db0253f..ded0643 100644 --- a/drivers/clk/imx/Kconfig +++ b/drivers/clk/imx/Kconfig @@ -5,8 +5,8 @@ config MXC_CLK def_bool ARCH_MXC config MXC_CLK_SCU - bool - depends on IMX_SCU + tristate "IMX SCU clock" + depends on ARCH_MXC && IMX_SCU config CLK_IMX8MM bool "IMX8MM CCM Clock Driver" diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 928f874..c6574a3 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -21,9 +21,9 @@ obj-$(CONFIG_MXC_CLK) += \ clk-sscg-pll.o \ clk-pll14xx.o -obj-$(CONFIG_MXC_CLK_SCU) += \ - clk-scu.o \ - clk-lpcg-scu.o +mxc-clk-scu-objs += clk-lpcg-scu.o +mxc-clk-scu-objs += clk-scu.o +obj-$(CONFIG_MXC_CLK_SCU) += mxc-clk-scu.o obj-$(CONFIG_CLK_IMX8MM) += clk-imx8mm.o obj-$(CONFIG_CLK_IMX8MN) += clk-imx8mn.o diff --git a/drivers/clk/imx/clk-lpcg-scu.c b/drivers/clk/imx/clk-lpcg-scu.c index a73a799..d4e78ca 100644 --- a/drivers/clk/imx/clk-lpcg-scu.c +++ b/drivers/clk/imx/clk-lpcg-scu.c @@ -6,6 +6,7 @@ #include #include +#include #include #include #include @@ -114,3 +115,4 @@ struct clk_hw *imx_clk_lpcg_scu(const char *name, const char *parent_name, return hw; } +EXPORT_SYMBOL_GPL(imx_clk_lpcg_scu); diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index b8b2072..9688981 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include "clk-scu.h" @@ -132,6 +133,7 @@ int imx_clk_scu_init(void) { return imx_scu_get_handle(&ccm_ipc_handle); } +EXPORT_SYMBOL_GPL(imx_clk_scu_init); /* * clk_scu_recalc_rate - Get clock rate for a SCU clock @@ -387,3 +389,6 @@ struct clk_hw *__imx_clk_scu(const char *name, const char * const *parents, return hw; } +EXPORT_SYMBOL_GPL(__imx_clk_scu); + +MODULE_LICENSE("GPL v2");