From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7C77C33CA5 for ; Wed, 8 Jan 2020 16:22:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB89120880 for ; Wed, 8 Jan 2020 16:22:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="vYz3CpTL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729329AbgAHQWU (ORCPT ); Wed, 8 Jan 2020 11:22:20 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:45821 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729239AbgAHQWS (ORCPT ); Wed, 8 Jan 2020 11:22:18 -0500 Received: by mail-wr1-f67.google.com with SMTP id j42so3961709wrj.12; Wed, 08 Jan 2020 08:22:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1ZZ17RtXPy8tSyIYbQsLgFSMBLvUQK+nBuSFJoACxY0=; b=vYz3CpTLbJuo6+9G79VOAWktV29RybG7tGXwN1AkTt4KNIxTvURD+Q3bhWx/SLX7BI so4VMbcEz0jii2m8R7tp/PnRHuC8vSpZSLx7i/dpzxOrSE3quOa7GyR02kpfRgdNjwPG r4vJdr3/92Y4+DcTp+7sUL3de1BBF+cnBHwzwQ4RejFqOD6BdXdsXGOG8b0kXeUAVj4l bQYnqNC+lu9uJRUw495+1nxGuAAtc+mDaeFQR5Y9W0vjJ9csh2lAPfQUQ0jnYACy+8ag WwYEueTRDa3tT4PkmcOorUbileEg77JVeaP4XwflNnBoeiRhwsN1LWFP7oAOriQwHfCZ RCCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1ZZ17RtXPy8tSyIYbQsLgFSMBLvUQK+nBuSFJoACxY0=; b=a0E5pY8esu7EV7ikcTp6K5j7ONJpM0VGTeXfWIrob7b+vK9GYdRGWoepJIkRvQmMRN KdddJeYXMc6FHGeIoBf/tgcpSVDJTO5qg9/1Q/ltae7beByvefqOUnf80Hg8EnHXWKaR 2n2L2w4wPCIKqVg8Lp6JuK+DsqoMkhNrvIr6AzugidzFISdp3D4P1w4C8rc703b2BLZN rCg56PXg3zSnoE4ikDL1c4ryPR3XGDunPX7EaxcnV2NpGbDX6kuMKGQwOy8U7tDh2bZ1 5tg5qXUuoQfAG5wA/fHR5+whL2OJroyiTAXo0VVAMv/GCk0ijMIsc68N7rlQsYsJizgB 3yTg== X-Gm-Message-State: APjAAAVMGExQAz0jxWxOnjaoC67sG8H/SS9Oaewm1ljOajxAHTe2ro/T irJDHeOgD7lMc6cgDkPVtOU= X-Google-Smtp-Source: APXvYqx5YNjXAvzMMnnBbQbs3EDgieNZcQ06Hpx9SaPmwC7WO/tJ2xmpnfS4ZxX1IQC9CHcxSXE8GA== X-Received: by 2002:a5d:6ca1:: with SMTP id a1mr5332087wra.36.1578500536305; Wed, 08 Jan 2020 08:22:16 -0800 (PST) Received: from prasmi.home ([2a00:23c6:d18:6d00:2811:8b65:294e:fa09]) by smtp.gmail.com with ESMTPSA id q3sm5112180wrn.33.2020.01.08.08.22.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jan 2020 08:22:15 -0800 (PST) From: Lad Prabhakar X-Google-Original-From: Lad Prabhakar To: Bjorn Helgaas , Rob Herring , Mark Rutland , Geert Uytterhoeven , Magnus Damm , Kishon Vijay Abraham I , Marek Vasut , Yoshihiro Shimoda , linux-pci@vger.kernel.org Cc: Catalin Marinas , Will Deacon , Lorenzo Pieralisi , Arnd Bergmann , Greg Kroah-Hartman , Andrew Murray , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Frank Rowand , Gustavo Pimentel , Jingoo Han , Simon Horman , Shawn Lin , Tom Joseph , Heiko Stuebner , linux-rockchip@lists.infradead.org, Lad Prabhakar Subject: [v3 2/6] PCI: rcar: Fix calculating mask for PCIEPAMR register Date: Wed, 8 Jan 2020 16:22:07 +0000 Message-Id: <20200108162211.22358-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200108162211.22358-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20200108162211.22358-1-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The mask value was calculated incorrectly for PCIEPAMR register if the size was less the 128bytes, this patch fixes the above by adding a check on size. Signed-off-by: Lad Prabhakar --- drivers/pci/controller/pcie-rcar.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index d5568db27efc..c76a92a8b72e 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -71,7 +71,7 @@ void rcar_pcie_set_outbound(int win, void __iomem *base, /* Setup PCIe address space mappings for each resource */ resource_size_t res_start; resource_size_t size; - u32 mask; + u32 mask = 0x0; rcar_pci_write_reg(base, 0x00000000, PCIEPTCTLR(win)); @@ -80,7 +80,8 @@ void rcar_pcie_set_outbound(int win, void __iomem *base, * keeps things pretty simple. */ size = resource_size(res); - mask = (roundup_pow_of_two(size) / SZ_128) - 1; + if (size > 128) + mask = (roundup_pow_of_two(size) / SZ_128) - 1; rcar_pci_write_reg(base, mask << 7, PCIEPAMR(win)); if (!host) { -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lad Prabhakar Subject: [v3 2/6] PCI: rcar: Fix calculating mask for PCIEPAMR register Date: Wed, 8 Jan 2020 16:22:07 +0000 Message-ID: <20200108162211.22358-3-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20200108162211.22358-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200108162211.22358-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Sender: linux-kernel-owner@vger.kernel.org To: Bjorn Helgaas , Rob Herring , Mark Rutland , Geert Uytterhoeven , Magnus Damm , Kishon Vijay Abraham I , Marek Vasut , Yoshihiro Shimoda , linux-pci@vger.kernel.org Cc: Catalin Marinas , Will Deacon , Lorenzo Pieralisi , Arnd Bergmann , Greg Kroah-Hartman , Andrew Murray , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Frank Rowand , Gustavo Pimentel , Jingoo Han , Simon Horman , Shawn Lin , Tom Joseph , Heiko Stuebner , linux-rockchip@lists.infradead.org, Lad Prabhakar List-Id: linux-rockchip.vger.kernel.org The mask value was calculated incorrectly for PCIEPAMR register if the size was less the 128bytes, this patch fixes the above by adding a check on size. Signed-off-by: Lad Prabhakar --- drivers/pci/controller/pcie-rcar.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index d5568db27efc..c76a92a8b72e 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -71,7 +71,7 @@ void rcar_pcie_set_outbound(int win, void __iomem *base, /* Setup PCIe address space mappings for each resource */ resource_size_t res_start; resource_size_t size; - u32 mask; + u32 mask = 0x0; rcar_pci_write_reg(base, 0x00000000, PCIEPTCTLR(win)); @@ -80,7 +80,8 @@ void rcar_pcie_set_outbound(int win, void __iomem *base, * keeps things pretty simple. */ size = resource_size(res); - mask = (roundup_pow_of_two(size) / SZ_128) - 1; + if (size > 128) + mask = (roundup_pow_of_two(size) / SZ_128) - 1; rcar_pci_write_reg(base, mask << 7, PCIEPAMR(win)); if (!host) { -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00A89C33CA4 for ; Wed, 8 Jan 2020 16:22:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B28CF2087F for ; Wed, 8 Jan 2020 16:22:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="TK+Y8+iJ"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="vYz3CpTL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B28CF2087F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=0JsChedHwsQyJ2ksoIV6wnjQr+CD/zhG0MopARL2f+Q=; b=TK+Y8+iJb5VhnR LLtfYOQ0+J7Vi49hXmSQ0yV8uuwGPEVLt2L7xwZg1S8YHdym9chEfGOTTKmgvH27OS6wvVj4Z3u+s Q8Ze92vY9cveVtJy4PCE8Hq5CkqQtlMAaOI3uBqQpeqbElOarGlljHfjtIzd08YwS0cxQfYY6/K9G BMymBRdtpZSQgYKr93wmWQRHb6ELXy6aByffko1buvL6ySGSYufbxAslie+1BzNZ6x/a3hl/qze5H MFx2oHUmSQs3ofj33aKVOLgOVkuJRZ5NkVA1jPGcBUPn6EL8Zdw3B7Gc5L+DKoqq/ficb1EVESE5P NMyAE594AJQ2nHK7D/UQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipE6Q-000182-LM; Wed, 08 Jan 2020 16:22:38 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipE65-0000ld-N3; Wed, 08 Jan 2020 16:22:19 +0000 Received: by mail-wr1-x442.google.com with SMTP id b6so4091338wrq.0; Wed, 08 Jan 2020 08:22:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1ZZ17RtXPy8tSyIYbQsLgFSMBLvUQK+nBuSFJoACxY0=; b=vYz3CpTLbJuo6+9G79VOAWktV29RybG7tGXwN1AkTt4KNIxTvURD+Q3bhWx/SLX7BI so4VMbcEz0jii2m8R7tp/PnRHuC8vSpZSLx7i/dpzxOrSE3quOa7GyR02kpfRgdNjwPG r4vJdr3/92Y4+DcTp+7sUL3de1BBF+cnBHwzwQ4RejFqOD6BdXdsXGOG8b0kXeUAVj4l bQYnqNC+lu9uJRUw495+1nxGuAAtc+mDaeFQR5Y9W0vjJ9csh2lAPfQUQ0jnYACy+8ag WwYEueTRDa3tT4PkmcOorUbileEg77JVeaP4XwflNnBoeiRhwsN1LWFP7oAOriQwHfCZ RCCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1ZZ17RtXPy8tSyIYbQsLgFSMBLvUQK+nBuSFJoACxY0=; b=aYPiNJBQpq+p1nsi/XFFpWxEGjjxJh5H2KrqBeozhRkMH/D5rSTgZC0MivyJS9oOav hHOBKDqsz5EIDVUt9wPu7LpxCrG7+6kdqZddvlsMKGtFMkMa40R2x11mUFD8PJVuMhfM F/2p+RbBI/5wjcOzHbzbYEln00hr+qj5gcFUvX1mqgwa8JVh/Fk/f/H5KXMe6SEiUITu ySfKtsUZBBCzMYmZGWOrcE5Pyg7O+rLs7NzsqRazoqBTyy7h7rq/oBzZJz2MrMIwj2fs iFowWolXd4g588Q+v+E1rzaHpjS0BrwhraOn8vi3Vuwj+FRo/qWD/K0pLGlmhcuYIGAe aATQ== X-Gm-Message-State: APjAAAUFUmQTKttp2uSFXozGqJCHnmMtURKyFWO0l5PwRaVeGvWixHXu 4M/RWPoIdeIHZZ6KP5UFLO0= X-Google-Smtp-Source: APXvYqx5YNjXAvzMMnnBbQbs3EDgieNZcQ06Hpx9SaPmwC7WO/tJ2xmpnfS4ZxX1IQC9CHcxSXE8GA== X-Received: by 2002:a5d:6ca1:: with SMTP id a1mr5332087wra.36.1578500536305; Wed, 08 Jan 2020 08:22:16 -0800 (PST) Received: from prasmi.home ([2a00:23c6:d18:6d00:2811:8b65:294e:fa09]) by smtp.gmail.com with ESMTPSA id q3sm5112180wrn.33.2020.01.08.08.22.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jan 2020 08:22:15 -0800 (PST) From: Lad Prabhakar X-Google-Original-From: Lad Prabhakar To: Bjorn Helgaas , Rob Herring , Mark Rutland , Geert Uytterhoeven , Magnus Damm , Kishon Vijay Abraham I , Marek Vasut , Yoshihiro Shimoda , linux-pci@vger.kernel.org Subject: [v3 2/6] PCI: rcar: Fix calculating mask for PCIEPAMR register Date: Wed, 8 Jan 2020 16:22:07 +0000 Message-Id: <20200108162211.22358-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200108162211.22358-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20200108162211.22358-1-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200108_082217_778880_EFB602A4 X-CRM114-Status: GOOD ( 13.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Chris Paterson , Lorenzo Pieralisi , Heiko Stuebner , Arnd Bergmann , Jingoo Han , Catalin Marinas , Shawn Lin , Frank Rowand , linux-kernel@vger.kernel.org, Lad Prabhakar , linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Tom Joseph , Simon Horman , Greg Kroah-Hartman , Andrew Murray , Gustavo Pimentel , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The mask value was calculated incorrectly for PCIEPAMR register if the size was less the 128bytes, this patch fixes the above by adding a check on size. Signed-off-by: Lad Prabhakar --- drivers/pci/controller/pcie-rcar.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index d5568db27efc..c76a92a8b72e 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -71,7 +71,7 @@ void rcar_pcie_set_outbound(int win, void __iomem *base, /* Setup PCIe address space mappings for each resource */ resource_size_t res_start; resource_size_t size; - u32 mask; + u32 mask = 0x0; rcar_pci_write_reg(base, 0x00000000, PCIEPTCTLR(win)); @@ -80,7 +80,8 @@ void rcar_pcie_set_outbound(int win, void __iomem *base, * keeps things pretty simple. */ size = resource_size(res); - mask = (roundup_pow_of_two(size) / SZ_128) - 1; + if (size > 128) + mask = (roundup_pow_of_two(size) / SZ_128) - 1; rcar_pci_write_reg(base, mask << 7, PCIEPAMR(win)); if (!host) { -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel