From patchwork Fri May 21 09:01:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ivan T . Ivanov" X-Patchwork-Id: 444898 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 69F64C433ED for ; Fri, 21 May 2021 09:02:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4999F613BE for ; Fri, 21 May 2021 09:02:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234344AbhEUJDa (ORCPT ); Fri, 21 May 2021 05:03:30 -0400 Received: from mx2.suse.de ([195.135.220.15]:46108 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234424AbhEUJD3 (ORCPT ); Fri, 21 May 2021 05:03:29 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 16978AAA6; Fri, 21 May 2021 09:02:06 +0000 (UTC) From: "Ivan T. Ivanov" To: Linus Walleij Cc: Phil Elwell , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, linux-gpio@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] pinctrl: bcm2835: Accept fewer than expected IRQs Date: Fri, 21 May 2021 12:01:58 +0300 Message-Id: <20210521090158.26932-1-iivanov@suse.de> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Phil Elwell The downstream .dts files only request two GPIO IRQs. Truncate the array of parent IRQs when irq_of_parse_and_map returns 0. Signed-off-by: Phil Elwell Signed-off-by: Ivan T. Ivanov --- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 1d21129f7751..2c87af1180c4 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -1274,9 +1274,13 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) char *name; girq->parents[i] = irq_of_parse_and_map(np, i); - if (!is_7211) + if (!is_7211) { + if (!girq->parents[i]) { + girq->num_parents = i; + break; + } continue; - + } /* Skip over the all banks interrupts */ pc->wake_irq[i] = irq_of_parse_and_map(np, i + BCM2835_NUM_IRQS + 1);