From patchwork Sun Oct 9 06:44:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?5ZCV5bu65rCR?= X-Patchwork-Id: 13001905 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 52EE3C433FE for ; Sun, 9 Oct 2022 06:45:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229941AbiJIGo5 (ORCPT ); Sun, 9 Oct 2022 02:44:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229909AbiJIGox (ORCPT ); Sun, 9 Oct 2022 02:44:53 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B8294655D; Sat, 8 Oct 2022 23:44:48 -0700 (PDT) Received: from loongson-pc.loongson.cn (unknown [10.20.42.32]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxX+DPbUJjsykpAA--.19711S3; Sun, 09 Oct 2022 14:44:31 +0800 (CST) From: Jianmin Lv To: Thomas Gleixner , Marc Zyngier Cc: linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Jiaxun Yang , Huacai Chen , Bjorn Helgaas , Len Brown , rafael@kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH V3 1/4] ACPI / PCI: fix LPIC irq model default PCI IRQ polarity Date: Sun, 9 Oct 2022 14:44:28 +0800 Message-Id: <20221009064431.18839-2-lvjianmin@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20221009064431.18839-1-lvjianmin@loongson.cn> References: <20221009064431.18839-1-lvjianmin@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxX+DPbUJjsykpAA--.19711S3 X-Coremail-Antispam: 1UD129KBjvJXoW7JrWDJr13ZF1DAw1fuFW5GFg_yoW8JF4Upr ZI9an0yr4xtF4DXwsFka4xuFyFq3Z3CryjkFZ5C3W7Ga1DCr4Iv3WfWFy7J3s8GFZxZa1U Zr1qyF48Wa47uaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU921xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AE w4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2 IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1l84ACjcxK6I8E 87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcV Aq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j 6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64 vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04v7MxkIecxE wVCm-wCF04k20xvY0x0EwIxGrwCF04k20xvE74AGY7Cv6cx26ryrJr1UJwCFx2IqxVCFs4 IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1r MI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJV WUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j 6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYx BIdaVFxhVjvjDU0xZFpf9x0JUdHUDUUUUU= X-CM-SenderInfo: 5oymxthqpl0qxorr0wxvrqhubq/ Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On LoongArch ACPI based systems, the irq trigger type of PCI devices is high level, so high level triggered type is required to pass to acpi_register_gsi when create irq mapping for PCI devices. Signed-off-by: Jianmin Lv --- drivers/acpi/pci_irq.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 08e15774fb9f..ff30ceca2203 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -387,13 +387,15 @@ int acpi_pci_irq_enable(struct pci_dev *dev) u8 pin; int triggering = ACPI_LEVEL_SENSITIVE; /* - * On ARM systems with the GIC interrupt model, level interrupts + * On ARM systems with the GIC interrupt model, or LoongArch + * systems with the LPIC interrupt model, level interrupts * are always polarity high by specification; PCI legacy * IRQs lines are inverted before reaching the interrupt * controller and must therefore be considered active high * as default. */ - int polarity = acpi_irq_model == ACPI_IRQ_MODEL_GIC ? + int polarity = acpi_irq_model == ACPI_IRQ_MODEL_GIC || + acpi_irq_model == ACPI_IRQ_MODEL_LPIC ? ACPI_ACTIVE_HIGH : ACPI_ACTIVE_LOW; char *link = NULL; char link_desc[16];