From patchwork Fri Dec 24 14:57:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 12699047 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 2F9D2C433EF for ; Fri, 24 Dec 2021 15:00:11 +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=lKdx9V4qCiR/nUdfeWIGrfvi8bfoU5Y0ETHjx4y11lo=; b=4xQQ72jacTD8ac jLG4hYvs9M2LkMEXSlbaOZ88D5llYlleP//fbQa3n8qmhHPEfbX4J+qpW+KqO/VvtXeT500bBxonS WPllcPJbHUjaKu3/BqknfspZZgonjblHRFIQb6hK33TGX5jZWCEL3lFjPO7gDfCK4Xgjy5Ak74NeJ MlcZjUDlLuxGE6FjwWYSKQM6QTQJxK4L/9fNfClsZs99py2Icd37N6rjaw0XPllxeRF+SagB/YF5y ndf//VQlvku3sqsgMR5IRgwbVH0O4OC/WdKM2vN3fGf8tgGXdG1YFWDJyKu9vlrRWso7U7JcCO3g1 m20fYuoK8+L7a14oGW0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n0m1M-00EFxc-Dg; Fri, 24 Dec 2021 14:58:12 +0000 Received: from relmlor1.renesas.com ([210.160.252.171] helo=relmlie5.idc.renesas.com) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n0m1C-00EFvM-Cc for linux-arm-kernel@lists.infradead.org; Fri, 24 Dec 2021 14:58:03 +0000 X-IronPort-AV: E=Sophos;i="5.88,232,1635174000"; d="scan'208";a="104624983" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 24 Dec 2021 23:58:01 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 6487142C25A2; Fri, 24 Dec 2021 23:57:59 +0900 (JST) From: Lad Prabhakar To: linux-gpio@vger.kernel.org, Ludovic Desroches , Linus Walleij , Nicolas Ferre , Alexandre Belloni Cc: Rob Herring , linux-kernel@vger.kernel.org, Prabhakar , Lad Prabhakar , linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] pinctrl: at91-pio4: Use platform_get_irq_optional() to get the interrupt Date: Fri, 24 Dec 2021 14:57:48 +0000 Message-Id: <20211224145748.18754-3-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_065802_566573_5B5EEBCC X-CRM114-Status: GOOD ( 12.78 ) 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/pinctrl-at91-pio4.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index fafd1f55cba7..ebfb106be97d 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -1045,7 +1045,6 @@ static int atmel_pinctrl_probe(struct platform_device *pdev) const char **group_names; const struct of_device_id *match; int i, ret; - struct resource *res; struct atmel_pioctrl *atmel_pioctrl; const struct atmel_pioctrl_data *atmel_pioctrl_data; @@ -1164,16 +1163,15 @@ static int atmel_pinctrl_probe(struct platform_device *pdev) /* There is one controller but each bank has its own irq line. */ for (i = 0; i < atmel_pioctrl->nbanks; i++) { - res = platform_get_resource(pdev, IORESOURCE_IRQ, i); - if (!res) { + ret = platform_get_irq_optional(pdev, i); + if (ret < 0) { dev_err(dev, "missing irq resource for group %c\n", 'A' + i); - return -EINVAL; + return ret; } - atmel_pioctrl->irqs[i] = res->start; - irq_set_chained_handler_and_data(res->start, - atmel_gpio_irq_handler, atmel_pioctrl); - dev_dbg(dev, "bank %i: irq=%pr\n", i, res); + atmel_pioctrl->irqs[i] = ret; + irq_set_chained_handler_and_data(ret, atmel_gpio_irq_handler, atmel_pioctrl); + dev_dbg(dev, "bank %i: irq=%d\n", i, ret); } atmel_pioctrl->irq_domain = irq_domain_add_linear(dev->of_node,