From patchwork Tue Mar 3 17:42:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 229923 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DBEEC3F2D7 for ; Tue, 3 Mar 2020 18:07:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4AE612073B for ; Tue, 3 Mar 2020 18:07:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583258844; bh=OR6SV+RZfA6Kg3yPJNOhpuudvHbA8yRXIsYbCOpjxIY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iDzERODxBSGMq/Nhk6KT8exNpT9KCVvFyfN10son9wtgn+szQhPyPlrnObbIoeejl jHaZ72N0NOULfwQTOoH0/zxZqE/hpRQZnvVfAkdjslmWTar85IMpHKCQaJ7fWc2no1 BEnYPsZSa9pE9Jrf7RM2A1o2c9q7oYPBX+pyRMFg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732644AbgCCRzH (ORCPT ); Tue, 3 Mar 2020 12:55:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:36528 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732639AbgCCRzG (ORCPT ); Tue, 3 Mar 2020 12:55:06 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A535F20CC7; Tue, 3 Mar 2020 17:55:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583258106; bh=OR6SV+RZfA6Kg3yPJNOhpuudvHbA8yRXIsYbCOpjxIY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QMpp0IniCBW0EDd3E8T/cxkWhjGLepnMEV7l96Jxk7q+7lhweHH4Kww0w20TaHScq vn5cndSdLV8iqrXXFNYa3kmCNPPgDERQfi7PjRrw/bBhoznmTvFWj3A/Rh8kU/R8H5 1yRrbs8A2qflXy120L6rHnTkXTGyFnW8Sv52ISNI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jean Delvare , Mika Westerberg , "Rafael J. Wysocki" Subject: [PATCH 5.4 073/152] ACPICA: Introduce ACPI_ACCESS_BYTE_WIDTH() macro Date: Tue, 3 Mar 2020 18:42:51 +0100 Message-Id: <20200303174310.771620964@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200303174302.523080016@linuxfoundation.org> References: <20200303174302.523080016@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mika Westerberg commit 1dade3a7048ccfc675650cd2cf13d578b095e5fb upstream. Sometimes it is useful to find the access_width field value in bytes and not in bits so add a helper that can be used for this purpose. Suggested-by: Jean Delvare Signed-off-by: Mika Westerberg Reviewed-by: Jean Delvare Cc: 4.16+ # 4.16+ Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- include/acpi/actypes.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -532,11 +532,12 @@ typedef u64 acpi_integer; strnlen (a, ACPI_NAMESEG_SIZE) == ACPI_NAMESEG_SIZE) /* - * Algorithm to obtain access bit width. + * Algorithm to obtain access bit or byte width. * Can be used with access_width of struct acpi_generic_address and access_size of * struct acpi_resource_generic_register. */ #define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2)) +#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1)) /******************************************************************************* *