From patchwork Mon Sep 19 01:37:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Zapolskiy X-Patchwork-Id: 9338399 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 11C1A6077F for ; Mon, 19 Sep 2016 01:40:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0308428E4A for ; Mon, 19 Sep 2016 01:40:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EBA5128E4F; Mon, 19 Sep 2016 01:40:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 86EC328E4A for ; Mon, 19 Sep 2016 01:40:36 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1blnXJ-0000fE-Ne; Mon, 19 Sep 2016 01:38:21 +0000 Received: from mleia.com ([178.79.152.223] helo=mail.mleia.com) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1blnX1-0000WB-VX for linux-arm-kernel@lists.infradead.org; Mon, 19 Sep 2016 01:38:05 +0000 Received: from mail.mleia.com (localhost [127.0.0.1]) by mail.mleia.com (Postfix) with ESMTP id 923DD44001A; Mon, 19 Sep 2016 02:37:42 +0100 (BST) From: Vladimir Zapolskiy To: Shawn Guo , Sascha Hauer , Fabio Estevam Subject: [PATCH 01/19] ARM: imx legacy: kzm: move peripheral initialization to .init_late Date: Mon, 19 Sep 2016 04:37:13 +0300 Message-Id: <1474249051-10718-1-git-send-email-vz@mleia.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1474248988-10626-1-git-send-email-vz@mleia.com> References: <1474248988-10626-1-git-send-email-vz@mleia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-49551924 X-CRM114-CacheID: sfid-20160919_023742_631010_FD1D2CB3 X-CRM114-Status: GOOD ( 11.00 ) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160919_023742_631010_FD1D2CB3 X-CRM114-Status: UNSURE ( 9.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The change moves some of peripheral registrations and initializations (all peripherals dependent on GPIOs) from .init_machine to .init_late level, this allows to safely shift the shared GPIO controller driver initialization level after init level of i.MX IOMUXC driver. The change is tested on qemu kzm target. Reported-by: Guenter Roeck Signed-off-by: Vladimir Zapolskiy --- arch/arm/mach-imx/mach-kzm_arm11_01.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c index 31df436..8288acf 100644 --- a/arch/arm/mach-imx/mach-kzm_arm11_01.c +++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c @@ -245,13 +245,17 @@ static void __init kzm_board_init(void) mxc_iomux_setup_multiple_pins(kzm_pins, ARRAY_SIZE(kzm_pins), "kzm"); - kzm_init_ext_uart(); - kzm_init_smsc9118(); kzm_init_imx_uart(); pr_info("Clock input source is 26MHz\n"); } +static void __init kzm_late_init(void) +{ + kzm_init_ext_uart(); + kzm_init_smsc9118(); +} + /* * This structure defines static mappings for the kzm-arm11-01 board. */ @@ -291,5 +295,6 @@ MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01") .init_irq = mx31_init_irq, .init_time = kzm_timer_init, .init_machine = kzm_board_init, + .init_late = kzm_late_init, .restart = mxc_restart, MACHINE_END