From patchwork Mon Jun 21 04:47:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tamseel Shams X-Patchwork-Id: 12333819 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 18295C49361 for ; Mon, 21 Jun 2021 04:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E898F6120D for ; Mon, 21 Jun 2021 04:46:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229583AbhFUEtB (ORCPT ); Mon, 21 Jun 2021 00:49:01 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:33444 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbhFUEsM (ORCPT ); Mon, 21 Jun 2021 00:48:12 -0400 Received: from epcas5p2.samsung.com (unknown [182.195.41.40]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20210621044557epoutp04ea24897c0bbd6d5d747988a29f36aee1~Kf3VObDr81294212942epoutp04_ for ; Mon, 21 Jun 2021 04:45:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20210621044557epoutp04ea24897c0bbd6d5d747988a29f36aee1~Kf3VObDr81294212942epoutp04_ DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1624250757; bh=HCa46d8xYQI4DLHreMXbh3X5Yj5CBNQoIEHru9jul4s=; h=From:To:Cc:Subject:Date:References:From; b=auVekq9IwOr6OI9IsS+EtCWiLvrgoS/rpt4QxEe1tismHrbk2shcWHEjCijXyfQNY AWI6pAr3jBqhgR7xglt3qIi8/HN46SBYVmDD83vg6MzygHhRFGueIVs/FwcC1XWoeU H3ZWunnCZ9SaiyeGYDi6PYZe5jBv4sXcKyHKBZ/4= Received: from epsmges5p3new.samsung.com (unknown [182.195.42.75]) by epcas5p1.samsung.com (KnoxPortal) with ESMTP id 20210621044556epcas5p100cf3c190e24a4dbe9af11a78de220c1~Kf3UJoqNB2864828648epcas5p1-; Mon, 21 Jun 2021 04:45:56 +0000 (GMT) Received: from epcas5p4.samsung.com ( [182.195.41.42]) by epsmges5p3new.samsung.com (Symantec Messaging Gateway) with SMTP id 15.DD.09452.48910D06; Mon, 21 Jun 2021 13:45:56 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20210621044400epcas5p40368077e77d2da219db8f890dfd69f7c~Kf1oELPP_2579225792epcas5p4n; Mon, 21 Jun 2021 04:44:00 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210621044400epsmtrp297ccaf01b37d2ff8915f4002cf8f7d75~Kf1oDLhPF1386813868epsmtrp2p; Mon, 21 Jun 2021 04:44:00 +0000 (GMT) X-AuditID: b6c32a4b-43fff700000024ec-3f-60d0198424fd Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 06.32.08394.01910D06; Mon, 21 Jun 2021 13:44:00 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210621044358epsmtip298180bc22c1b863fcc60f15273e3bebf~Kf1mc_2O92959129591epsmtip24; Mon, 21 Jun 2021 04:43:58 +0000 (GMT) From: Tamseel Shams To: kgene@kernel.org, krzk@kernel.org, gregkh@linuxfoundation.org, jslaby@suse.com Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, alim.akhtar@samsung.com, ajaykumar.rs@samsung.com, Tamseel Shams Subject: [PATCH v4] serial: samsung: change to platform_get_irq_optional Date: Mon, 21 Jun 2021 10:17:57 +0530 Message-Id: <20210621044757.40046-1-m.shams@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPIsWRmVeSWpSXmKPExsWy7bCmlm6L5IUEg+03OC0OvD/IYvFg3jY2 i+bF69kspmz4wGTR//g1s8X58xvYLTY9vsZqcXnXHDaLGef3MVmcWdzLbnG3dTG7A7fHplWd bB77565h99i8pN6jb8sqRo/1W66yeHzeJBfAFsVlk5Kak1mWWqRvl8CVcXD/MvaC7ZwVt68d ZGxg/MDexcjBISFgIvG1O6iLkYtDSGA3o0THhFWsEM4nRokn29axQDjfGCU6n75k6mLkBOv4 OO8sI0RiL6PEi4WfmCCcFiaJ/yt7mEHmsgloShw/zw3SICIQIvHu7BawBmaBp4wSy49dZwFJ CAt4SNx4fI8VxGYRUJU49X8ZI4jNK2Ah0fSnhRVim7zE6g0HmEGaJQSusUt8vLsG6gwXiRm/ trFB2MISr45vYYewpSQ+v9sLFc+XmD9vFTOEXSGx8sIbKNte4sCVOSwghzIDHbp+lz5EWFZi 6ql1YOOZBfgken8/gVrFK7FjHoytKPF/dz/UKnGJdyumQN3pIbF/eiMryEghgViJa9t1JjDK zkJYsICRcRWjZGpBcW56arFpgXFearlecWJucWleul5yfu4mRnCa0PLewfjowQe9Q4xMHIyH GCU4mJVEeDkzzyQI8aYkVlalFuXHF5XmpBYfYpTmYFES513KfihBSCA9sSQ1OzW1ILUIJsvE wSnVwHS19u/ipJzd2pqd7xJvdAWcFNNJFkuak/CkoH4Ft//vWTsO35uaEvcq7+vqPH7rhnSH o6tFrQQ2+k2XK2VzkTq4LXTC2+LQPVcMV6teXTaJW/+AbFTADsFz6qkF+yeoGJ18zWN3JY/5 7M2wxUyihsornvC8/O6r+Dwy8ibXy4qns6ZaTtW5ytC7fpZs4IOpW099eWRbcDDl4gt7GUGf Z5ue/97BXyv/0Hmd8ss3HyWOsV27bDg94dzkXlHhu49/C0VcVUgW1BMtU+I7sV3zpbk6Y5jN DNkzszqq+H23GDov/ffd53xLaeu/H5pZ5/IfNAXWW3M4/2rMqpLo+Hb1ct0MK0dLtezp051P dEywC1FiKc5INNRiLipOBACoeD6JggMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprGLMWRmVeSWpSXmKPExsWy7bCSvK6A5IUEg+8PWCwOvD/IYvFg3jY2 i+bF69kspmz4wGTR//g1s8X58xvYLTY9vsZqcXnXHDaLGef3MVmcWdzLbnG3dTG7A7fHplWd bB77565h99i8pN6jb8sqRo/1W66yeHzeJBfAFsVlk5Kak1mWWqRvl8CVcXD/MvaC7ZwVt68d ZGxg/MDexcjJISFgIvFx3lnGLkYuDiGB3YwSf1bNZYRIiEtM+7UfyhaWWPnvOTtEUROTxNy/ e5i6GDk42AQ0JY6f5wYxRQQiJGZ+rAEpYRZ4zSix5cEEsF5hAQ+JG4/vsYLYLAKqEqf+LwOL 8wpYSDT9aWGFmC8vsXrDAeYJjDwLGBlWMUqmFhTnpucWGxYY5qWW6xUn5haX5qXrJefnbmIE B52W5g7G7as+6B1iZOJgPMQowcGsJMLLmXkmQYg3JbGyKrUoP76oNCe1+BCjNAeLkjjvha6T 8UIC6YklqdmpqQWpRTBZJg5OqQam6PoH7MY8l7eX5Sx3/MtZu8Nz95lpd/xEeGdMbr6k3lS1 6njfrZm21rOMHlx6mrWjL2yd//2kBv2K0+y3PhYby/wy3KJ29dnlTyc82d+38ulu4mh1nrm+ +cs0tbb4b/6hpeIi+ttnqdkbPby10FDH6ZpzueM/1n0Fty/Jnp4UZ7lZyfzOgsh/sUefPvQX YL+qefWa9bXn6lIGfw0DjkxbeNN+rWvUvqU2ll+Yn/xyunT657aJ997UvVop08n7exef/9vD c9d6/+h89cjB+9mLRi/9LQKx3tnXru7vnBoat+Ejg/VVl/xKz9AL+7+261x+8PGz0anlyho7 ctZxPyj7Mzv1TmjMtBVLbzSLThT4pKTEUpyRaKjFXFScCACla/+kqQIAAA== X-CMS-MailID: 20210621044400epcas5p40368077e77d2da219db8f890dfd69f7c X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20210621044400epcas5p40368077e77d2da219db8f890dfd69f7c References: Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org In few older Samsung SoCs like s3c2410, s3c2412 and s3c2440, UART IP is having 2 interrupt lines. However, in other SoCs like s3c6400, s5pv210, exynos5433, and exynos4210 UART is having only 1 interrupt line. Due to this, "platform_get_irq(platdev, 1)" call in the driver gives the following false-positive error: "IRQ index 1 not found" on recent platforms. This patch replaces the platform_get_irq() call with platform_get_irq_optional() and hence avoiding the false-positive error. Signed-off-by: Tamseel Shams --- Commit message is changed. Addressed Krzysztof's previous comment. drivers/tty/serial/samsung_tty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 6ef614d8648c..c44582011b9b 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -1911,7 +1911,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, ourport->tx_irq = ret + 1; } - ret = platform_get_irq(platdev, 1); + ret = platform_get_irq_optional(platdev, 1); if (ret > 0) ourport->tx_irq = ret; /*