From patchwork Thu Oct 13 01:16:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 9374127 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 73E5F60839 for ; Thu, 13 Oct 2016 01:10:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 594FD28D3F for ; Thu, 13 Oct 2016 01:10:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 473F128D97; Thu, 13 Oct 2016 01:10:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B405528D3F for ; Thu, 13 Oct 2016 01:10:55 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1buUXs-0002Rl-52; Thu, 13 Oct 2016 01:10:52 +0000 Received: from lucky1.263xmail.com ([211.157.147.136]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1buUXp-0002QX-HS for linux-rockchip@lists.infradead.org; Thu, 13 Oct 2016 01:10:50 +0000 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.157]) by lucky1.263xmail.com (Postfix) with ESMTP id BBACB360; Thu, 13 Oct 2016 09:10:23 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED4: 1 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id E7B613C0; Thu, 13 Oct 2016 09:10:22 +0800 (CST) X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: bhelgaas@google.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 1826515VXG3; Thu, 13 Oct 2016 09:10:23 +0800 (CST) From: Shawn Lin To: Bjorn Helgaas Subject: [PATCH] PCI: rockchip: fix wrong print for negotiated lane numbers Date: Thu, 13 Oct 2016 09:16:31 +0800 Message-Id: <1476321391-6665-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161012_181049_778186_E66BAD58 X-CRM114-Status: UNSURE ( 4.61 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Brian Norris , linux-pci@vger.kernel.org, Shawn Lin , Wenrui Li , linux-rockchip@lists.infradead.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The negotiated lane numbers was incorrectly calculated, fix it. Fixes: e77f847df54c6b0 ("PCI: rockchip: Add Rockchip PCIe controller support") Signed-off-by: Shawn Lin Reviewed-by: Brian Norris --- drivers/pci/host/pcie-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index e0b22da..0d69d8c 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -549,7 +549,7 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip) /* Check the final link width from negotiated lane counter from MGMT */ status = rockchip_pcie_read(rockchip, PCIE_CORE_CTRL); - status = 0x1 << ((status & PCIE_CORE_PL_CONF_LANE_MASK) >> + status = 0x1 << ((status >> PCIE_CORE_PL_CONF_LANE_SHIFT) & PCIE_CORE_PL_CONF_LANE_MASK); dev_dbg(dev, "current link width is x%d\n", status);