Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp7003134imu; Thu, 31 Jan 2019 03:23:04 -0800 (PST) X-Google-Smtp-Source: ALg8bN5E6hTdzZFm9C7QIpCGNInDng1yHTdSgWFY3s2Owi0t6vAogLxey+BuAQlickyz1LVLYlA4 X-Received: by 2002:a17:902:7296:: with SMTP id d22mr35099682pll.265.1548933784074; Thu, 31 Jan 2019 03:23:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1548933784; cv=none; d=google.com; s=arc-20160816; b=zINXhf73y+sp+bRazy1HlIB2t6NDiFuC28T1EQg9w8XZXoLcDgsrtcHn/xzs469sJv Z87LT0dpEtzCmxHEBvT8aqImXmpTrZZkjm7Sb8duPYcSNHZAvDlFAKqJavxGbvkqraCS +j24XPWMjGGadaN1+7481C6qx97iDMAA9/PDECazIFJLscJkY38Q8/2coNVDgI8sXbYd 9sOHF5RPRq2KdGd19ZqurzC5IaMNsVjKdr8bXe7Lv5ZdgGANs/ckyCYBqeM+JOAiJ+Q1 8Uk0jGivRbANS4HH12FigKNXGyfMrZ20ij6dX/VUvn4McWSrAl5ogDeLny+8Go5M8vwe 3wmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from; bh=oFhfqBQaMVDUrHQ6fyg5RqM/8GCdX8KZZwjKaQ1uzrU=; b=IaxOl5JT1ffQ9p8DizbYuw/UZsWXZtVr5KFnNPsQRXqBS7ymFyzTCFvZl8zp8s0Kqb 1bTmkazBZv8kmo2DSkWemOoO8tU5N1Ce+C7kyg6II8kKgGQ0r/IWsKl6QOF1s3whZAMn wtBi6FXwR0MOlE+Ksd+cAK0T5N+6V+znSTHE4IZuxIhtFYhkPCT+W64H7oYjNbM2qD5P ceO4ik4CLHht8O6SIFHSck/U7EExoQEIDM6gAO95XektM41vTnyZmoZrd90LMv+Vnu8C g5lhCZOwkbVVQdu1iy9byzt60IDbb56pCws/v6CPZL2YAFucU7iW8w9XERAjqavG4d8q cGVA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n7si4163213plp.147.2019.01.31.03.22.48; Thu, 31 Jan 2019 03:23:04 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728091AbfAaLV0 (ORCPT + 99 others); Thu, 31 Jan 2019 06:21:26 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:36988 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726977AbfAaLVZ (ORCPT ); Thu, 31 Jan 2019 06:21:25 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 90BED536742E149ACA3B; Thu, 31 Jan 2019 19:21:23 +0800 (CST) Received: from HGHY2Y004646261.china.huawei.com (10.184.12.158) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.408.0; Thu, 31 Jan 2019 19:21:15 +0800 From: Zenghui Yu To: CC: , , , Zenghui Yu Subject: [PATCH] irqchip/gic-v3-its: Fix probing for ITT_entry_size Date: Thu, 31 Jan 2019 11:19:43 +0000 Message-ID: <1548933583-12504-1-git-send-email-yuzenghui@huawei.com> X-Mailer: git-send-email 2.6.4.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.184.12.158] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to ARM IHI 0069C (ID070116), we should use GITS_TYPER's bits [7:4] as ITT_entry_size. Signed-off-by: Zenghui Yu --- include/linux/irqchip/arm-gic-v3.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 071b4cb..c848a7c 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -319,7 +319,7 @@ #define GITS_TYPER_PLPIS (1UL << 0) #define GITS_TYPER_VLPIS (1UL << 1) #define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4 -#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0x1f) + 1) +#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0xf) + 1) #define GITS_TYPER_IDBITS_SHIFT 8 #define GITS_TYPER_DEVBITS_SHIFT 13 #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) -- 1.8.3.1