From patchwork Thu Jan 2 22:07:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 234685 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 D569BC3276C for ; Thu, 2 Jan 2020 22:38:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7789217F4 for ; Thu, 2 Jan 2020 22:38:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578004688; bh=zl+jMEazS06IPnXQz5OhOUWOzZlmwFDhJDIcf0gR+Mc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=S7mLWg477GiVGwfQ9wtVff5k8qzJZyHjcIhHpVX+arZDDxpvb6PYADYo0JtPnQenD DLKjCyL/UgRnYcH5DWFYctWX4titZMFP3y5KeYsA6jYHPv3feXL7mUPl7PvQ9Fsnj6 HJj+aXJYa/IeUWdavRT7++yS9kNWjGyUR8nfzCLw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731171AbgABWh6 (ORCPT ); Thu, 2 Jan 2020 17:37:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:51200 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731168AbgABWh5 (ORCPT ); Thu, 2 Jan 2020 17:37:57 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 73CAD20863; Thu, 2 Jan 2020 22:37:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578004676; bh=zl+jMEazS06IPnXQz5OhOUWOzZlmwFDhJDIcf0gR+Mc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D2fI2EOqN8k4UcWeWahYUQFfNa6eolYWUhhRNWyKGtcdmE60pQWk++XDHrNvw6I02 kXC41oCKJkVRSP5vHzZ35OUljixEmSrGaSlojU/JThvuDPp+Rt9/B/x0Cw3dVGCOIk P2OTLTxRFXLAXOjnD6ER7TO5T8EXpWo+mXSqcxts= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Paul Cercueil , Marc Zyngier , Sasha Levin Subject: [PATCH 4.4 106/137] irqchip: ingenic: Error out if IRQ domain creation failed Date: Thu, 2 Jan 2020 23:07:59 +0100 Message-Id: <20200102220601.372089003@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102220546.618583146@linuxfoundation.org> References: <20200102220546.618583146@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 fc5953dea509..b2e16dca76a6 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: