From patchwork Mon Mar 13 20:08:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 13173190 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1BFDC76196 for ; Mon, 13 Mar 2023 20:09:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229853AbjCMUJB (ORCPT ); Mon, 13 Mar 2023 16:09:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230103AbjCMUI6 (ORCPT ); Mon, 13 Mar 2023 16:08:58 -0400 Received: from post.baikalelectronics.com (post.baikalelectronics.com [213.79.110.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0DB8A7339C; Mon, 13 Mar 2023 13:08:57 -0700 (PDT) Received: from post.baikalelectronics.com (localhost.localdomain [127.0.0.1]) by post.baikalelectronics.com (Proxmox) with ESMTP id 842E3E0EB7; Mon, 13 Mar 2023 23:08:56 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= baikalelectronics.ru; h=cc:cc:content-transfer-encoding :content-type:content-type:date:from:from:in-reply-to:message-id :mime-version:references:reply-to:subject:subject:to:to; s=post; bh=01Yi1MCOFRWcAmX7LNQhmNQR0OqBENtxzaiXCVsvQfs=; b=Sdv2GwWiSUbV jhSHDgpYahOjaQwnQvF2187N/gNSm//ggFJfYCiuCWqJVYSXcaMPo8D2eUhnH7Ny +WOV2TqGIHSqtT7ub666ONurFBEOuuiHCAbvYdC2imaWnkkvMh65YVPIHJT7Z00J +XQo2n3G80OP2AvNk2vQLIo+r+Tbr0Q= Received: from mail.baikal.int (mail.baikal.int [192.168.51.25]) by post.baikalelectronics.com (Proxmox) with ESMTP id 7170CE0E1C; Mon, 13 Mar 2023 23:08:56 +0300 (MSK) Received: from localhost (10.8.30.10) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 13 Mar 2023 23:08:55 +0300 From: Serge Semin To: Bjorn Helgaas , Lorenzo Pieralisi , Cai Huoqing , Jingoo Han , Gustavo Pimentel , Vinod Koul , Manivannan Sadhasivam , Yoshihiro Shimoda , Rob Herring , Serge Semin , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= CC: Serge Semin , Alexey Malahov , Pavel Parkhomenko , , , Subject: [PATCH RESEND v2 06/11] PCI: dwc: Drop duplicated fast-link-mode flag unsetting Date: Mon, 13 Mar 2023 23:08:10 +0300 Message-ID: <20230313200816.30105-7-Sergey.Semin@baikalelectronics.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313200816.30105-1-Sergey.Semin@baikalelectronics.ru> References: <20230313200816.30105-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-Originating-IP: [10.8.30.10] X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Most likely by mistake the PORT_LINK_FAST_LINK_MODE flag unsetting was added twice in the commit cff9244432e8 ("PCI: dwc: Ensure FAST_LINK_MODE is cleared"): first it is cleared right after the content of the PCIE_PORT_LINK_CONTROL register is read, second it's cleared in the framework of the link-mode initialization procedure. The later action is redundant. Let's drop it. Signed-off-by: Serge Semin --- drivers/pci/controller/dwc/pcie-designware.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index 04fedd257ef1..6061824f7b7e 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -1020,7 +1020,6 @@ void dw_pcie_setup(struct dw_pcie *pci) /* Set the number of lanes */ val = dw_pcie_readl_dbi(pci, PCIE_PORT_LINK_CONTROL); - val &= ~PORT_LINK_FAST_LINK_MODE; val &= ~PORT_LINK_MODE_MASK; switch (pci->num_lanes) { case 1: