From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 299BAC43603 for ; Wed, 11 Dec 2019 15:45:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F325A2073D for ; Wed, 11 Dec 2019 15:45:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576079102; bh=9nk9rerF5dfHiQn04M8FxiEiugeF+MWThlhBeVFyJJc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dgiz4lAERMErOWNBW1eK7AoTQI1QpbZR7p447bpy3S88Obpq2gNtkuuJDkyo7XLwB jQ69JHs5YkisMx3kXamjDum0sO7pvjxLXw6b8R0wNNjo2iI3vKqdL5XUrFLCenNLUp I7x8fLbxARR16KfgWA10sgzC4DJUxkAHHW79HQaQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388450AbfLKPpA (ORCPT ); Wed, 11 Dec 2019 10:45:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:32890 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733297AbfLKP1S (ORCPT ); Wed, 11 Dec 2019 10:27:18 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9E73C24654; Wed, 11 Dec 2019 15:27:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576078038; bh=9nk9rerF5dfHiQn04M8FxiEiugeF+MWThlhBeVFyJJc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u9hWx4arBjZeAk+AUc8BcppDpYLI1fdayXRZ2YHEq1SaV2q6fJIS7bvi0l2Ri9n9M Qu24Tmaqr7NwrVPwTmAT4do1Yx3dPfykAhOXik6vvzMtw7sAVE1b0cn6SliHJIUyjv x1oTRd907YjtBbT2nshAn+tf1BOd+owXeSPCJvPg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Paul Cercueil , Marc Zyngier , Sasha Levin Subject: [PATCH AUTOSEL 4.19 32/79] irqchip: ingenic: Error out if IRQ domain creation failed Date: Wed, 11 Dec 2019 10:25:56 -0500 Message-Id: <20191211152643.23056-32-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191211152643.23056-1-sashal@kernel.org> References: <20191211152643.23056-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Paul Cercueil [ Upstream commit 52ecc87642f273a599c9913b29fd179c13de457b ] If we cannot create the IRQ domain, the driver should fail to probe instead of succeeding with just a warning message. Signed-off-by: Paul Cercueil Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/1570015525-27018-3-git-send-email-zhouyanjie@zoho.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-ingenic.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c index 2ff08986b5361..be6923abf9a4d 100644 --- a/drivers/irqchip/irq-ingenic.c +++ b/drivers/irqchip/irq-ingenic.c @@ -117,6 +117,14 @@ static int __init ingenic_intc_of_init(struct device_node *node, goto out_unmap_irq; } + domain = irq_domain_add_legacy(node, num_chips * 32, + JZ4740_IRQ_BASE, 0, + &irq_domain_simple_ops, NULL); + if (!domain) { + err = -ENOMEM; + goto out_unmap_base; + } + for (i = 0; i < num_chips; i++) { /* Mask all irqs */ writel(0xffffffff, intc->base + (i * CHIP_SIZE) + @@ -143,14 +151,11 @@ static int __init ingenic_intc_of_init(struct device_node *node, IRQ_NOPROBE | IRQ_LEVEL); } - domain = irq_domain_add_legacy(node, num_chips * 32, JZ4740_IRQ_BASE, 0, - &irq_domain_simple_ops, NULL); - if (!domain) - pr_warn("unable to register IRQ domain\n"); - setup_irq(parent_irq, &intc_cascade_action); return 0; +out_unmap_base: + iounmap(intc->base); out_unmap_irq: irq_dispose_mapping(parent_irq); out_free: -- 2.20.1