From nobody Thu Dec 18 05:05:04 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4509220E6EC; Thu, 27 Mar 2025 10:15:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743070544; cv=none; b=ZbmNtp5As6bVq+tfnf8Utdq0MynCmA20jlNpPMPPm1moIz+bQkToczCo9cxh9T+fg4kY0pzHRl2cUnPIgbW4oFF2n28w3/r84jUbDWsLuHLnaftjwrVWx5TmrfkXU14od4/6pwDWpLY3f9gpCI8Jswgc14hJTebsckSRNXfLQCE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743070544; c=relaxed/simple; bh=hCYIWleHnb9AsPF4NRJLHVCBvzakjpZqCnO9IxidLxw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Hgkeqrqkv1sXxzWxD1nIpuITTUdzSXag60L3kRTEzOtbOcbGPOjCiq8vTo1H2oThlfAEmnGw3mn5r9VLCX3P6VeqnbFeNSqHWQ7cYEnpn8cqhgy0HKRM/LzHTjyG1hg18k9Rm0l2MiTlihMwBnyhEbEk2EupduH1zxuW08S97cE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.198]) by gateway (Coremail) with SMTP id _____8DxzOJKJeVn5haoAA--.19682S3; Thu, 27 Mar 2025 18:15:38 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.198]) by front1 (Coremail) with SMTP id qMiowMCxvMY_JeVn5OJiAA--.29343S2; Thu, 27 Mar 2025 18:15:37 +0800 (CST) From: Huacai Chen To: Huacai Chen Cc: loongarch@lists.linux.dev, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn, Huacai Chen , stable@vger.kernel.org, Mingcong Bai Subject: [PATCH] LoongArch: Increase MAX_IO_PICS up to 8 Date: Thu, 27 Mar 2025 18:15:20 +0800 Message-ID: <20250327101520.3328657-1-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMCxvMY_JeVn5OJiAA--.29343S2 X-CM-SenderInfo: hfkh0x5xdftxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj9xXoW7Gr1Dtr48Jw13CFy5Jr4rXrc_yoWDKrg_Wa 4xXw4ku348GFWjvwn0qas3JF1xua1fGas09F1xZF9FyFy5tr4rXw4DAw1UAr1Yk3ykWr4Y ga9rJFy5Aw1akosvyTuYvTs0mTUanT9S1TB71UUUUUJqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbVAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0 oVCq3wAaw2AFwI0_Jrv_JF1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa02 0Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_JF1l Yx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrw CF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C267AKxVWUXVWU AwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1V AFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xII jxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4 A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU 0xZFpf9x07jFa0PUUUUU= Content-Type: text/plain; charset="utf-8" Begin with Loongson-3C6000, the number of PCI host can be as many as 8 for multi-chip machines, and this number should be the same for I/O interrupt controllers. To support these machines we also increase the MAX_IO_PICS up to 8. Cc: stable@vger.kernel.org Tested-by: Mingcong Bai Signed-off-by: Huacai Chen --- arch/loongarch/include/asm/irq.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/= irq.h index a0ca84da8541..12bd15578c33 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -53,7 +53,7 @@ void spurious_interrupt(void); #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace void arch_trigger_cpumask_backtrace(const struct cpumask *mask, int exclud= e_cpu); =20 -#define MAX_IO_PICS 2 +#define MAX_IO_PICS 8 #define NR_IRQS (64 + NR_VECTORS * (NR_CPUS + MAX_IO_PICS)) =20 struct acpi_vector_group { --=20 2.47.1