From patchwork Fri Dec 24 14:57:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 12699046 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 43D26C433EF for ; Fri, 24 Dec 2021 15:00:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7p90BUvUgjK9z+OGkRMTFXd03KUxjKLHq02Qi5wbrSM=; b=K0zNzDwJIQbyBE KXf59IT9DWvCxDhb0jQzS6+dbYc21qu2cIsYRzSF9eseOPKo4FMX2klPM7A8hreZtSgPez3wQyiuv TXoLWxZfIdYuwRlln8DnNO1Yc7PBy0wjY/N8UKpRAvPfb+3bJ6zeH1Y+HcBWWEeG5c+cmQuASuO6C zarg9QF2fTRburqclDCZpehugWyPRs1o/MZ6pRsynMSTUbP9euNh9vIKxOExT9Xj8IdXT4U/HD95l em3FROy86BiQpozd+SV3Bj2f62q05IMhmnEk56Lj8LonThYukIIIt4wzBltuhnWWPpCoC2H1mv6Gk q7N+wkYAjzKgQx9FUVEg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n0m1D-00EFvb-Ha; Fri, 24 Dec 2021 14:58:03 +0000 Received: from relmlor2.renesas.com ([210.160.252.172] helo=relmlie6.idc.renesas.com) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n0m1A-00EFv3-7Q for linux-arm-kernel@lists.infradead.org; Fri, 24 Dec 2021 14:58:01 +0000 X-IronPort-AV: E=Sophos;i="5.88,232,1635174000"; d="scan'208";a="105109884" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 24 Dec 2021 23:57:58 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 5EA8F42C25A2; Fri, 24 Dec 2021 23:57:56 +0900 (JST) From: Lad Prabhakar To: linux-gpio@vger.kernel.org, Tomasz Figa , Krzysztof Kozlowski , Sylwester Nawrocki , Linus Walleij Cc: Rob Herring , linux-kernel@vger.kernel.org, Prabhakar , Lad Prabhakar , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 1/2] pinctrl: samsung: Use platform_get_irq_optional() to get the interrupt Date: Fri, 24 Dec 2021 14:57:47 +0000 Message-Id: <20211224145748.18754-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211224145748.18754-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20211224145748.18754-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211224_065800_427645_D01B723C X-CRM114-Status: GOOD ( 13.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypasses the hierarchical setup and messes up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq_optional(). Signed-off-by: Lad Prabhakar --- drivers/pinctrl/samsung/pinctrl-samsung.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 8941f658e7f1..0f6e9305fec5 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -1095,7 +1095,6 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) struct samsung_pinctrl_drv_data *drvdata; const struct samsung_pin_ctrl *ctrl; struct device *dev = &pdev->dev; - struct resource *res; int ret; drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); @@ -1109,9 +1108,11 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) } drvdata->dev = dev; - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res) - drvdata->irq = res->start; + ret = platform_get_irq_optional(pdev, 0); + if (ret < 0 && ret != -ENXIO) + return ret; + if (ret > 0) + drvdata->irq = ret; if (ctrl->retention_data) { drvdata->retention_ctrl = ctrl->retention_data->init(drvdata,