Message ID | 20220503200938.18027-16-Sergey.Semin@baikalelectronics.ru |
---|---|
State | New |
Headers | show
Return-Path: <linux-ide-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=baikalelectronics.ru header.i=@baikalelectronics.ru header.a=rsa-sha256 header.s=mail header.b=BywZI6tA; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ide-owner@vger.kernel.org; receiver=<UNKNOWN>) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4KtB6q4Qdzz9sG2 for <incoming@patchwork.ozlabs.org>; Wed, 4 May 2022 06:16:03 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235200AbiECUTe (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Tue, 3 May 2022 16:19:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237834AbiECUTC (ORCPT <rfc822;linux-ide@vger.kernel.org>); Tue, 3 May 2022 16:19:02 -0400 X-Greylist: delayed 323 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 03 May 2022 13:15:26 PDT Received: from mail.baikalelectronics.ru (mail.baikalelectronics.com [87.245.175.226]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A5A05286C9 for <linux-ide@vger.kernel.org>; Tue, 3 May 2022 13:15:25 -0700 (PDT) Received: from mail.baikalelectronics.ru (unknown [192.168.51.25]) by mail.baikalelectronics.ru (Postfix) with ESMTP id BEBE0BC3; Tue, 3 May 2022 23:10:48 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.ru BEBE0BC3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1651608648; bh=YRKTrhfAFP9qeziqg57dBteSdl4msOdLpHBdPwd2Gp0=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=BywZI6tA7EXeCSEohxoMpDb61KYSSVVITHkEFFsWfrgA7r3NWGIofjg5ZlUU3FEdK WZVw3L16mRMl0txPXvC8G8Y80OaPkUEtR5jKgpxG8PV+o6O04aMAbTxm+HRB0XATkY qNhiYD9bBnUlZYfLfI4d0codG9m0iZ9pvJD52Hbk= Received: from localhost (192.168.53.207) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 3 May 2022 23:10:14 +0300 From: Serge Semin <Sergey.Semin@baikalelectronics.ru> To: Damien Le Moal <damien.lemoal@opensource.wdc.com>, Hans de Goede <hdegoede@redhat.com>, Jens Axboe <axboe@kernel.dk> CC: Serge Semin <Sergey.Semin@baikalelectronics.ru>, Serge Semin <fancer.lancer@gmail.com>, Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>, Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>, Rob Herring <robh+dt@kernel.org>, <linux-ide@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org> Subject: [PATCH v2 15/23] ata: libahci: Don't read AHCI version twice in the save-config method Date: Tue, 3 May 2022 23:09:30 +0300 Message-ID: <20220503200938.18027-16-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20220503200938.18027-1-Sergey.Semin@baikalelectronics.ru> References: <20220503200938.18027-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-ide.vger.kernel.org> X-Mailing-List: linux-ide@vger.kernel.org |
Series |
ata: ahci: Add DWC/Baikal-T1 AHCI SATA support
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expand
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diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 000a7072614f..1ffaa5f5f21a 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -564,7 +564,7 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) /* record values to use during operation */ hpriv->cap = cap; hpriv->cap2 = cap2; - hpriv->version = readl(mmio + HOST_VERSION); + hpriv->version = vers; hpriv->port_map = port_map; if (!hpriv->start_engine)
There is no point in reading the AHCI version all over in the tail of the ahci_save_initial_config() method. That register is RO and doesn't change its value even after reset. So just reuse the data, which has already been read from there earlier in the head of the function. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> --- drivers/ata/libahci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)