From patchwork Fri Sep 8 09:53:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 9943531 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 78EE960224 for ; Fri, 8 Sep 2017 09:54:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A46A285F1 for ; Fri, 8 Sep 2017 09:54:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5EBEB28617; Fri, 8 Sep 2017 09:54:31 +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,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EFECC285F1 for ; Fri, 8 Sep 2017 09:54:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=1bXem9CifIJz1CnhvG/I3GmKpJk5e91AM/BqbmBP24Y=; b=oowphYxO68zBANKQwv5czT0K7R JTRpp8hp+AHhf9fU8ESsFd0sc8bwukyT+f6LkH2iB1kHGLCD5xLaPpdVbnkiHUpPP3jem+24nkxXT nREorZ+WkTzNvkWo1oGHq9DGU2ZBouJHoE+sBhDOgEtSJ91T0jaApqBBcXXk63+JYdzOkAuaFqHOR per3H1h6r+IKln74WtJ/ERF07z8OnlbuWZzSopGUU5kJ8/9rvRvLN0xiUYMUNKVVZ7U82s3b2rkw5 qvRG9PTLoOCpD+susMt+JUaTRIlccANzMki4EgsvQcwACOmi9o8iHZFBrWRavXr+cy8vmzrWJ2/sL 7s4CMFHA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dqFzV-0001jY-9n; Fri, 08 Sep 2017 09:54:25 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dqFzR-0001bj-2B for linux-arm-kernel@lists.infradead.org; Fri, 08 Sep 2017 09:54:23 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id A745921D2F; Fri, 8 Sep 2017 11:53:57 +0200 (CEST) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 79F7620A4E; Fri, 8 Sep 2017 11:53:57 +0200 (CEST) From: Thomas Petazzoni To: Bjorn Helgaas , linux-pci@vger.kernel.org Subject: [PATCH 2/7] PCI: aardvark: set PIO_ADDR_LS correctly in advk_pcie_rd_conf() Date: Fri, 8 Sep 2017 11:53:43 +0200 Message-Id: <20170908095348.16578-3-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170908095348.16578-1-thomas.petazzoni@free-electrons.com> References: <20170908095348.16578-1-thomas.petazzoni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170908_025421_262754_774C3660 X-CRM114-Status: GOOD ( 10.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Petazzoni , Andrew Lunn , Yehuda Yitschak , Jason Cooper , Hanna Hawa , stable@vger.kernel.org, Nadav Haklai , Victor Gu , =?UTF-8?q?Miqu=C3=A8l=20Raynal?= , Gregory Clement , Antoine Tenart , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Victor Gu When setting the PIO_ADDR_LS register during a configuration read, we were properly passing the device number, function number and register number, but not the bus number, causing issues when reading the configuration of PCIe devices. Fixes: 8c39d710363c1 ("PCI: aardvark: Add Aardvark PCI host controller driver") Cc: Signed-off-by: Victor Gu Reviewed-by: Wilson Ding Reviewed-by: Nadav Haklai [Thomas: tweak commit log.] Signed-off-by: Thomas Petazzoni --- drivers/pci/host/pci-aardvark.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c index 582d75f864e3..68ff10e17c74 100644 --- a/drivers/pci/host/pci-aardvark.c +++ b/drivers/pci/host/pci-aardvark.c @@ -460,7 +460,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, advk_writel(pcie, reg, PIO_CTRL); /* Program the address registers */ - reg = PCIE_BDF(devfn) | PCIE_CONF_REG(where); + reg = PCIE_CONF_ADDR(bus->number, devfn, where); advk_writel(pcie, reg, PIO_ADDR_LS); advk_writel(pcie, 0, PIO_ADDR_MS);