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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CACBC76196 for ; Fri, 31 Mar 2023 11:39:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231317AbjCaLjF (ORCPT ); Fri, 31 Mar 2023 07:39:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231562AbjCaLjE (ORCPT ); Fri, 31 Mar 2023 07:39:04 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E28D5191FA; Fri, 31 Mar 2023 04:39:01 -0700 (PDT) Received: from loongson.cn (unknown [10.20.42.153]) by gateway (Coremail) with SMTP id _____8AxbdpVxiZkNO0UAA--.32098S3; Fri, 31 Mar 2023 19:39:01 +0800 (CST) Received: from loongson-pc.loongson.cn (unknown [10.20.42.153]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Bx57xUxiZkmwASAA--.12675S4; Fri, 31 Mar 2023 19:39:00 +0800 (CST) From: Jianmin Lv To: Thomas Gleixner , Marc Zyngier Cc: linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Lorenzo Pieralisi , Jiaxun Yang , Huacai Chen , loongson-kernel@lists.loongnix.cn, stable@vger.kernel.org Subject: [PATCH V2 2/5] irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent Date: Fri, 31 Mar 2023 19:38:57 +0800 Message-Id: <20230331113900.9105-3-lvjianmin@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230331113900.9105-1-lvjianmin@loongson.cn> References: <20230331113900.9105-1-lvjianmin@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf8Bx57xUxiZkmwASAA--.12675S4 X-CM-SenderInfo: 5oymxthqpl0qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBjvJXoWxZw47GF4fXr1fKFW8Kw4rZrb_yoW5WF4xpF WUAFWDtr43X3y3uryftFs8X34rtw1rZanFqa1fCaySyFsxuryUGF1rCF1DCryYkrW8Xa1a va1YvFyUZF13AwUanT9S1TB71UUUUjDqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bS8YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_JFv_Jw1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26F4UJVW0owAa w2AFwI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44 I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2 jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY1x0262 kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km 07C267AKxVWUAVWUtwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r 1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW5 JVW7JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r 1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1U YxBIdaVFxhVjvjDU0xZFpf9x07UAKsUUUUUU= Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org In eiointc_acpi_init(), a *eiointc* node is passed into acpi_get_vec_parent() instead of a required *NUMA* node (on some chip like 3C5000L, a *NUMA* node means a *eiointc* node, but on some chip like 3C5000, a *NUMA* node contains 4 *eiointc* nodes), and node in struct acpi_vector_group is essentially a *NUMA* node, which will lead to no parent matched for passed *eiointc* node. so the patch adjusts code to use *NUMA* node for parameter node of acpi_set_vec_parent/acpi_get_vec_parent. Signed-off-by: Jianmin Lv --- drivers/irqchip/irq-loongson-eiointc.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index 62a632d73991..d16ed64feb3d 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -280,9 +280,6 @@ static void acpi_set_vec_parent(int node, struct irq_domain *parent, struct acpi { int i; - if (cpu_has_flatmode) - node = cpu_to_node(node * CORES_PER_EIO_NODE); - for (i = 0; i < MAX_IO_PICS; i++) { if (node == vec_group[i].node) { vec_group[i].parent = parent; @@ -349,8 +346,16 @@ static int __init pch_pic_parse_madt(union acpi_subtable_headers *header, static int __init pch_msi_parse_madt(union acpi_subtable_headers *header, const unsigned long end) { + struct irq_domain *parent; struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header; - struct irq_domain *parent = acpi_get_vec_parent(eiointc_priv[nr_pics - 1]->node, msi_group); + int node; + + if (cpu_has_flatmode) + node = cpu_to_node(eiointc_priv[nr_pics - 1]->node * CORES_PER_EIO_NODE); + else + node = eiointc_priv[nr_pics - 1]->node; + + parent = acpi_get_vec_parent(node, msi_group); if (parent) return pch_msi_acpi_init(parent, pchmsi_entry); @@ -379,6 +384,7 @@ int __init eiointc_acpi_init(struct irq_domain *parent, int i, ret, parent_irq; unsigned long node_map; struct eiointc_priv *priv; + int node; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) @@ -421,8 +427,12 @@ int __init eiointc_acpi_init(struct irq_domain *parent, "irqchip/loongarch/intc:starting", eiointc_router_init, NULL); - acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, pch_group); - acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, msi_group); + if (cpu_has_flatmode) + node = cpu_to_node(acpi_eiointc->node * CORES_PER_EIO_NODE); + else + node = acpi_eiointc->node; + acpi_set_vec_parent(node, priv->eiointc_domain, pch_group); + acpi_set_vec_parent(node, priv->eiointc_domain, msi_group); ret = acpi_cascade_irqdomain_init(); return ret; -- 2.31.1