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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 35BD4C7618F for ; Wed, 24 Jul 2019 07:59:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 15F332173E for ; Wed, 24 Jul 2019 07:59:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726482AbfGXH7q (ORCPT ); Wed, 24 Jul 2019 03:59:46 -0400 Received: from inva020.nxp.com ([92.121.34.13]:54610 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725851AbfGXH7p (ORCPT ); Wed, 24 Jul 2019 03:59:45 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 13FCA1A0240; Wed, 24 Jul 2019 09:59:44 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C7C801A031A; Wed, 24 Jul 2019 09:59:38 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 17F27402F6; Wed, 24 Jul 2019 15:59:32 +0800 (SGT) From: Anson.Huang@nxp.com To: mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH] clk: imx8mn: Keep uart clocks on for early console Date: Wed, 24 Jul 2019 15:50:17 +0800 Message-Id: <20190724075017.11003-1-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.9.5 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Anson Huang Call imx_register_uart_clocks() API to keep uart clocks enabled when earlyprintk or earlycon is active. Signed-off-by: Anson Huang --- drivers/clk/imx/clk-imx8mn.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 07481a5..ecd1062 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -355,6 +355,14 @@ static const char * const imx8mn_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sy static struct clk *clks[IMX8MN_CLK_END]; static struct clk_onecell_data clk_data; +static struct clk ** const uart_clks[] = { + &clks[IMX8MN_CLK_UART1_ROOT], + &clks[IMX8MN_CLK_UART2_ROOT], + &clks[IMX8MN_CLK_UART3_ROOT], + &clks[IMX8MN_CLK_UART4_ROOT], + NULL +}; + static int imx8mn_clocks_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -612,6 +620,8 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) goto unregister_clks; } + imx_register_uart_clocks(uart_clks); + return 0; unregister_clks: -- 2.7.4