From patchwork Fri Oct 7 16:22:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 9366545 X-Patchwork-Delegate: bhelgaas@google.com 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 08D4560487 for ; Fri, 7 Oct 2016 16:22:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE7422975F for ; Fri, 7 Oct 2016 16:22:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E31012976E; Fri, 7 Oct 2016 16:22:08 +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=-6.9 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 96E242975F for ; Fri, 7 Oct 2016 16:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938830AbcJGQWH (ORCPT ); Fri, 7 Oct 2016 12:22:07 -0400 Received: from mail.kernel.org ([198.145.29.136]:45612 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932268AbcJGQWH (ORCPT ); Fri, 7 Oct 2016 12:22:07 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1A4482034B; Fri, 7 Oct 2016 16:22:06 +0000 (UTC) Received: from localhost (unknown [69.55.156.165]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1A7B5203AC; Fri, 7 Oct 2016 16:22:05 +0000 (UTC) Subject: [PATCH 02/10] PCI: altera: Simplify TLB_CFG_DW0 usage To: Ley Foon Tan From: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, rfi@lists.rocketboards.org Date: Fri, 07 Oct 2016 11:22:02 -0500 Message-ID: <20161007162202.22796.80479.stgit@bhelgaas-glaptop2.roam.corp.google.com> In-Reply-To: <20161007162153.22796.13721.stgit@bhelgaas-glaptop2.roam.corp.google.com> References: <20161007162153.22796.13721.stgit@bhelgaas-glaptop2.roam.corp.google.com> User-Agent: StGit/0.16 MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP All TLP_CFG_DW0() uses follow the same pattern based on the root bus number, so pull that into the macro itself to declutter the users. No functional change intended. Signed-off-by: Bjorn Helgaas --- drivers/pci/host/pcie-altera.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index faf6e1f..1398d92 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -55,7 +55,10 @@ #define TLP_PAYLOAD_SIZE 0x01 #define TLP_READ_TAG 0x1d #define TLP_WRITE_TAG 0x10 -#define TLP_CFG_DW0(fmttype) (((fmttype) << 24) | TLP_PAYLOAD_SIZE) +#define TLP_CFG_DW0(altera, bus) \ + ((((bus == altera->root_bus_nr) ? TLP_FMTTYPE_CFGRD0 \ + : TLP_FMTTYPE_CFGRD1) << 24) | \ + TLP_PAYLOAD_SIZE) #define TLP_CFG_DW1(reqid, tag, be) (((reqid) << 16) | (tag << 8) | (be)) #define TLP_CFG_DW2(bus, devfn, offset) \ (((bus) << 24) | ((devfn) << 16) | (offset)) @@ -218,11 +221,7 @@ static int tlp_cfg_dword_read(struct altera_pcie *altera, u8 bus, u32 devfn, { u32 headers[TLP_HDR_SIZE]; - if (bus == altera->root_bus_nr) - headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGRD0); - else - headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGRD1); - + headers[0] = TLP_CFG_DW0(altera, bus); headers[1] = TLP_CFG_DW1(TLP_REQ_ID(altera->root_bus_nr, RP_DEVFN), TLP_READ_TAG, byte_en); headers[2] = TLP_CFG_DW2(bus, devfn, where); @@ -238,11 +237,7 @@ static int tlp_cfg_dword_write(struct altera_pcie *altera, u8 bus, u32 devfn, u32 headers[TLP_HDR_SIZE]; int ret; - if (bus == altera->root_bus_nr) - headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGWR0); - else - headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGWR1); - + headers[0] = TLP_CFG_DW0(altera, bus); headers[1] = TLP_CFG_DW1(TLP_REQ_ID(altera->root_bus_nr, RP_DEVFN), TLP_WRITE_TAG, byte_en); headers[2] = TLP_CFG_DW2(bus, devfn, where);