From patchwork Sat Dec 18 16:52:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 12696768 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 07659C433F5 for ; Sat, 18 Dec 2021 16:54:49 +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=hoGHhMbKiTw0TM50KK30vglwWyYpoYG4aDe5rDxFukE=; b=2T+zxf80Y2wCPS AHw20b4XTDV5nnO3BDTcPXehBmGgr+P0H6NxqRPoFOao1+eu1Y8r6JcOnYsoiaiKlPZsvwGgOhZV9 N9sYhfJrleSFzkqTBPZ3p8Pj2MyzLWNsEsrugJGZF2pMfFlfehd/095qKjdBXTSPMMa1zJuZVh04B M1ToOB3r5yEH7K3T6MHvvnreQAos/y80b4vYH4SzaiwG7NwGjhN3TSy8U6EhKtwMC93BciI3tWR0k /bE+h3AgMEeuwCSf6WD6FmmDZOinDlJ7zv7dIW6J3+HKWLzbJYQKzkI+i0mN1U0DE0tH95BwBrwDt nekYgrk6vN3HfAO/CGzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mycxp-00EID5-84; Sat, 18 Dec 2021 16:53:41 +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 1mycxP-00EI3z-Hp; Sat, 18 Dec 2021 16:53:16 +0000 X-IronPort-AV: E=Sophos;i="5.88,216,1635174000"; d="scan'208";a="104388682" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 19 Dec 2021 01:53:15 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 1D25F40A5168; Sun, 19 Dec 2021 01:53:11 +0900 (JST) From: Lad Prabhakar To: Rob Herring , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Chris Brandt , Wolfram Sang Cc: linux-i2c@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Lad Prabhakar Subject: [PATCH 3/3] i2c: riic: Use platform_get_irq() to get the interrupt Date: Sat, 18 Dec 2021 16:52:58 +0000 Message-Id: <20211218165258.16716-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211218165258.16716-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20211218165258.16716-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211218_085315_729657_383FD452 X-CRM114-Status: GOOD ( 12.25 ) 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(). Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- drivers/i2c/busses/i2c-riic.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index 78b84445ee6a..f18b9fe86d4b 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -433,12 +433,12 @@ static int riic_i2c_probe(struct platform_device *pdev) } for (i = 0; i < ARRAY_SIZE(riic_irqs); i++) { - res = platform_get_resource(pdev, IORESOURCE_IRQ, riic_irqs[i].res_num); - if (!res) - return -ENODEV; + ret = platform_get_irq(pdev, riic_irqs[i].res_num); + if (ret <= 0) + return ret ? ret : -ENXIO; - ret = devm_request_irq(&pdev->dev, res->start, riic_irqs[i].isr, - 0, riic_irqs[i].name, riic); + ret = devm_request_irq(&pdev->dev, ret, riic_irqs[i].isr, + 0, riic_irqs[i].name, riic); if (ret) { dev_err(&pdev->dev, "failed to request irq %s\n", riic_irqs[i].name); return ret;