From patchwork Wed May 11 14:45:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bin Meng X-Patchwork-Id: 621121 X-Patchwork-Delegate: bmeng.cn@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 3r4f516WPjz9sp7 for ; Thu, 12 May 2016 00:43:49 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=Xgt9ScdR; dkim-atps=neutral Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E23C3A7621; Wed, 11 May 2016 16:43:18 +0200 (CEST) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wQt_8Gim6bNX; Wed, 11 May 2016 16:43:18 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 5FD21A7521; Wed, 11 May 2016 16:42:46 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 69791A7506 for ; Wed, 11 May 2016 16:41:56 +0200 (CEST) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id i3Aw3x-brDvl for ; Wed, 11 May 2016 16:41:56 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-pf0-f194.google.com (mail-pf0-f194.google.com [209.85.192.194]) by theia.denx.de (Postfix) with ESMTPS id 2E08AA7516 for ; Wed, 11 May 2016 16:41:52 +0200 (CEST) Received: by mail-pf0-f194.google.com with SMTP id y7so3919816pfb.0 for ; Wed, 11 May 2016 07:41:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:subject:date:message-id:in-reply-to:references; bh=ryDWzcMnC6JtuOLhowyc3yz56lTtkGP3oSaMfbsJ0KM=; b=Xgt9ScdRfDBnxAw0t7eS5f3vo8xAnbGKly92syE204LDGEqGJcZGciycEjqv317F9M pmsB/QDX/bhkLb+fMaC5brS0JivHvWicPlvqqUVRnr6lkkPjI/JwxDWzSflqFZNIP2Uw Refn7YZjBQHX3dFLw3g2gXLIebVSE185XpkxABKnNSo9iXdGbPSmzoEt9Rlo+OVFdg9r q4zdBHXRKmLbP+nyQ8FJ3SOn8pf0+dQd0Y4k6DAWaJUkD8DyHsz3hS98awnlJW2uQUV0 Ipe6scoXEMWaCtlBfynwj1qGYND3IjV51C6SdV72XOonkPuxTb8i0K1ijpgv07s0xsOn aQEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=ryDWzcMnC6JtuOLhowyc3yz56lTtkGP3oSaMfbsJ0KM=; b=hx7+vMpqbQT/7evfCe3k4iwsBkB3vtHumMswcZq8KJdv5VwNWWuaf6JI1YHqTsamxW bs8xZM/PLHifgbO5AaQGU0YYsd9bDxlKMW9wHbdY1IkgDnC10+irtlmXnHFQdWFcBc42 uxI+wL7fqd4oKUC9UlP8R8tNDz/wSXhEEnr/LoFN3mMqAvfYH3Cz4i/Dju+9fohbuSot atd+Zypcmt8JuedybjHgS6/IBvAa+bpkwu12bvpvRI+NnmhFet0G6cY6yiw67W+ISYUm 9bOEJCYxHGdU7fQOekPyIHS4LeiKdfM2szXXCoLK2FJ9p7ao0c2/eM0324qP2SFgxlb5 rvaQ== X-Gm-Message-State: AOPr4FUBp5EcZm4WFQMFQ+TgfPf7IiqWPk9Mkb3n3RaD6mYZtI/N15gkAb9PPIpfyHuJag== X-Received: by 10.98.82.208 with SMTP id g199mr5471703pfb.113.1462977711049; Wed, 11 May 2016 07:41:51 -0700 (PDT) Received: from ala-d2121-lx1.wrs.com (unknown-157-139.windriver.com. [147.11.157.139]) by smtp.gmail.com with ESMTPSA id q20sm12744144pfa.90.2016.05.11.07.41.50 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 11 May 2016 07:41:50 -0700 (PDT) From: Bin Meng To: Simon Glass , U-Boot Mailing List Date: Wed, 11 May 2016 07:45:04 -0700 Message-Id: <1462977912-13666-11-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1462977912-13666-1-git-send-email-bmeng.cn@gmail.com> References: <1462977912-13666-1-git-send-email-bmeng.cn@gmail.com> Subject: [U-Boot] [PATCH v2 10/18] x86: acpi: Remove the unnecessary checksum calculation of DSDT X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" The generated AmlCode[] from IASL already has the calculated DSDT table checksum in place. No need for us to calculate it again. Signed-off-by: Bin Meng Reviewed-by: Simon Glass --- Changes in v2: - New patch to remove the unnecessary checksum calculation of DSDT arch/x86/lib/acpi_table.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index a9fe243..05c958d 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -382,12 +382,6 @@ u32 write_acpi_tables(u32 start) (char *)&AmlCode + sizeof(struct acpi_table_header), dsdt->length - sizeof(struct acpi_table_header)); current += dsdt->length - sizeof(struct acpi_table_header); - - /* (Re)calculate length and checksum */ - dsdt->length = current - (u32)dsdt; - dsdt->checksum = 0; - dsdt->checksum = table_compute_checksum((void *)dsdt, - dsdt->length); } current = ALIGN(current, 16);