From patchwork Wed Oct 9 09:49:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11180921 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 26B8014ED for ; Wed, 9 Oct 2019 09:52:19 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DD35121721 for ; Wed, 9 Oct 2019 09:52:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dZSgoLCa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DD35121721 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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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:In-Reply-To: References:List-Owner; bh=wuoYWlUncHzdVzdyMvsqoYm8p/yXd+hWC0Q/ZeRio5g=; b=dZS goLCaisCmzNyUU9v/jjSTJP4qT9aZ1v3EaRvN6EmvE1VD8WBmSyg9MQVK/56Mr7TxfkdxBIMG8Lve MuG1rawpbprJkIkAak3uFVHSHkZh6CVhoe/8x3zmLPRhcMwZjqlycv93qPEwK/8wdrn7bQoGYF70k WBO+sFuzAv77YwzI0jdiPZEVkEwCdJHx7k2BIXp1ZxOusSZOeRPLv0xly+lLuRqAspiNVwW5RutXT RSjmXmp1dQPJoYYn+OwZEBVKSRLgns1V9naJOmzusLasIyyakbEkXuDfWVjRk21UhHyxUb1vXvza3 ac7APoxyfNaXKEecamkCFApbHxb82Jg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iI8dk-00064G-R6; Wed, 09 Oct 2019 09:52:16 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iI8dM-0005a8-Eg for linux-arm-kernel@lists.infradead.org; Wed, 09 Oct 2019 09:51:53 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6275C2003A5; Wed, 9 Oct 2019 11:51:48 +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 452862001C1; Wed, 9 Oct 2019 11:51:42 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 9025E402B1; Wed, 9 Oct 2019 17:51:34 +0800 (SGT) From: Anson Huang To: gregkh@linuxfoundation.org, jslaby@suse.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, rafael.j.wysocki@intel.com, swboyd@chromium.org, andy.shevchenko@gmail.com, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH V2] tty: serial: imx: Use platform_get_irq_optional() for optional IRQs Date: Wed, 9 Oct 2019 17:49:19 +0800 Message-Id: <1570614559-11900-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191009_025152_638163_6ADD6F31 X-CRM114-Status: UNSURE ( 8.42 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.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 All i.MX SoCs except i.MX1 have ONLY one necessary IRQ, use platform_get_irq_optional() to get second/third IRQ which are optional to avoid below error message during probe: [ 0.726219] imx-uart 30860000.serial: IRQ index 1 not found [ 0.731329] imx-uart 30860000.serial: IRQ index 2 not found Fixes: 7723f4c5ecdb8d83 ("driver core: platform: Add an error message to platform_get_irq*()") Signed-off-by: Anson Huang --- Changes since V1: - use platform_get_irq_optional() directly instead of getting irq count. --- drivers/tty/serial/imx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 504d81c..357d3ff 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2221,8 +2221,8 @@ static int imx_uart_probe(struct platform_device *pdev) return PTR_ERR(base); rxirq = platform_get_irq(pdev, 0); - txirq = platform_get_irq(pdev, 1); - rtsirq = platform_get_irq(pdev, 2); + txirq = platform_get_irq_optional(pdev, 1); + rtsirq = platform_get_irq_optional(pdev, 2); sport->port.dev = &pdev->dev; sport->port.mapbase = res->start;