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=-6.0 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_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,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 E2538C43381 for ; Mon, 1 Apr 2019 04:26:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2BF720870 for ; Mon, 1 Apr 2019 04:26:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PcEAFYHx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731821AbfDAE0S (ORCPT ); Mon, 1 Apr 2019 00:26:18 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:39612 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731447AbfDAE0L (ORCPT ); Mon, 1 Apr 2019 00:26:11 -0400 Received: by mail-pl1-f196.google.com with SMTP id b65so3816370plb.6; Sun, 31 Mar 2019 21:26:10 -0700 (PDT) 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=DPEGr1stj8HHuq07bDPJ9C3bFxP/x6zeZ48HncgfwJA=; b=PcEAFYHx+3G1YrL7bvuO+t1T6tpy/mBZNDaUSVs/nD7gI6ZpouToBFhappYNYhEqtP 9HXsBZFxbhtJ0IRtR6eFRnyZn6ZArKp9aWcZvwsZae8ES8MSlEXrafaXVWEmVomrCQEl NoacawgXL3Ee0KKS4DogD0im7QOtf4y6O0yQKsExSYwSqaL4dKSK6MyW56xtehY6nsYr ehyaQFbxv/z2/rZfJMYHaHLESlCR2VMa/GAuP10CQ8GkxT+4MBznKkh5x+TRWSHaSBNr gSEPN9JsZBZ5q1aQY0CP9Kt48E0Sk6Psvo9URhnqJ62i/Ddb412QfDRSjDtww7PqRBVt 0IpA== 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=DPEGr1stj8HHuq07bDPJ9C3bFxP/x6zeZ48HncgfwJA=; b=UIcVWgd85Oq1NvsEhPvJOgzMujX1hf7a9LLObm4NU5PfNfLu0B1hnuEqBH9z8+rORL eLjUx7jFl/CQG75QalNdT/g4CFHTmppbRd7xZ2aNYg1nmeEHxWgxAPUi70LAaSPdN2pS l96SD2hxzeh8DkpMZd7fXGJJWlRzt9Xjpu7/FQHsLNu6cAoBU+4wcpUgIJ96KGFbJr1/ GzKW4O+lHM/A+U3JMRb83KQuE+OzxHJV4P+D/vECbdpmoN+hlDl6x4f65pSv5OBQQ7/X YXmzon/GMcPQwpXFjHtbOaUsf9k2aqtJepXYZaqZ6vfgPq4OzMvCao5QPcPOGrQN0t1M 81PQ== X-Gm-Message-State: APjAAAUDmPorkiznQT71LTZiOHMufcL4mwiMrLuKMGHexwEbeo6aomJr wjScmZhAtXWYge6PC4uAgOGIVW4O X-Google-Smtp-Source: APXvYqwNb2baCl18Luhf89oTpsGwP19JyOrT9BqBhk6RVm8934y7nJOc6596+P/JnfQz3mwJqxpKWA== X-Received: by 2002:a17:902:8202:: with SMTP id x2mr55060083pln.318.1554092770088; Sun, 31 Mar 2019 21:26:10 -0700 (PDT) Received: from squirtle.lan (c-24-22-235-96.hsd1.wa.comcast.net. [24.22.235.96]) by smtp.gmail.com with ESMTPSA id t22sm10996829pgu.45.2019.03.31.21.26.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 31 Mar 2019 21:26:09 -0700 (PDT) From: Andrey Smirnov To: linux-pci@vger.kernel.org Cc: Andrey Smirnov , Lorenzo Pieralisi , Bjorn Helgaas , Fabio Estevam , Chris Healy , Lucas Stach , Leonard Crestez , "A.s. Dong" , Richard Zhu , linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 07/11] PCI: imx6: Simplify bit operations in PHY functions Date: Sun, 31 Mar 2019 21:25:43 -0700 Message-Id: <20190401042547.14067-8-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190401042547.14067-1-andrew.smirnov@gmail.com> References: <20190401042547.14067-1-andrew.smirnov@gmail.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 Simplify the code by incorporating left shifts into constant defnitions as well as using FIELD_PREP/GENMASK. No functional change intended. Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Fabio Estevam Cc: Chris Healy Cc: Lucas Stach Cc: Leonard Crestez Cc: "A.s. Dong" Cc: Richard Zhu Cc: linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org Signed-off-by: Andrey Smirnov --- drivers/pci/controller/dwc/pci-imx6.c | 28 +++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index b1f30b94fb30..a49e5e491e12 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -105,11 +105,11 @@ struct imx6_pcie { #define PL_OFFSET 0x700 #define PCIE_PHY_CTRL (PL_OFFSET + 0x114) -#define PCIE_PHY_CTRL_DATA_LOC 0 -#define PCIE_PHY_CTRL_CAP_ADR_LOC 16 -#define PCIE_PHY_CTRL_CAP_DAT_LOC 17 -#define PCIE_PHY_CTRL_WR_LOC 18 -#define PCIE_PHY_CTRL_RD_LOC 19 +#define PCIE_PHY_CTRL_DATA(x) FIELD_PREP(GENMASK(15, 0), (x)) +#define PCIE_PHY_CTRL_CAP_ADR BIT(16) +#define PCIE_PHY_CTRL_CAP_DAT BIT(17) +#define PCIE_PHY_CTRL_WR BIT(18) +#define PCIE_PHY_CTRL_RD BIT(19) #define PCIE_PHY_STAT (PL_OFFSET + 0x110) #define PCIE_PHY_STAT_ACK_LOC 16 @@ -178,17 +178,17 @@ static int pcie_phy_wait_ack(struct imx6_pcie *imx6_pcie, int addr) u32 val; int ret; - val = addr << PCIE_PHY_CTRL_DATA_LOC; + val = PCIE_PHY_CTRL_DATA(addr); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, val); - val |= (0x1 << PCIE_PHY_CTRL_CAP_ADR_LOC); + val |= PCIE_PHY_CTRL_CAP_ADR; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, val); ret = pcie_phy_poll_ack(imx6_pcie, 1); if (ret) return ret; - val = addr << PCIE_PHY_CTRL_DATA_LOC; + val = PCIE_PHY_CTRL_DATA(addr); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, val); return pcie_phy_poll_ack(imx6_pcie, 0); @@ -206,7 +206,7 @@ static int pcie_phy_read(struct imx6_pcie *imx6_pcie, int addr, int *data) return ret; /* assert Read signal */ - phy_ctl = 0x1 << PCIE_PHY_CTRL_RD_LOC; + phy_ctl = PCIE_PHY_CTRL_RD; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, phy_ctl); ret = pcie_phy_poll_ack(imx6_pcie, 1); @@ -234,11 +234,11 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) if (ret) return ret; - var = data << PCIE_PHY_CTRL_DATA_LOC; + var = PCIE_PHY_CTRL_DATA(data); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* capture data */ - var |= (0x1 << PCIE_PHY_CTRL_CAP_DAT_LOC); + var |= PCIE_PHY_CTRL_CAP_DAT; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); ret = pcie_phy_poll_ack(imx6_pcie, 1); @@ -246,7 +246,7 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) return ret; /* deassert cap data */ - var = data << PCIE_PHY_CTRL_DATA_LOC; + var = PCIE_PHY_CTRL_DATA(data); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* wait for ack de-assertion */ @@ -255,7 +255,7 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) return ret; /* assert wr signal */ - var = 0x1 << PCIE_PHY_CTRL_WR_LOC; + var = PCIE_PHY_CTRL_WR; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* wait for ack */ @@ -264,7 +264,7 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) return ret; /* deassert wr signal */ - var = data << PCIE_PHY_CTRL_DATA_LOC; + var = PCIE_PHY_CTRL_DATA(data); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* wait for ack de-assertion */ -- 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=-5.9 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_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,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 A3B48C43381 for ; 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[24.22.235.96]) by smtp.gmail.com with ESMTPSA id t22sm10996829pgu.45.2019.03.31.21.26.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 31 Mar 2019 21:26:09 -0700 (PDT) From: Andrey Smirnov To: linux-pci@vger.kernel.org Subject: [PATCH v3 07/11] PCI: imx6: Simplify bit operations in PHY functions Date: Sun, 31 Mar 2019 21:25:43 -0700 Message-Id: <20190401042547.14067-8-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190401042547.14067-1-andrew.smirnov@gmail.com> References: <20190401042547.14067-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190331_212611_087106_8AA83AF9 X-CRM114-Status: GOOD ( 12.05 ) 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: "A.s. Dong" , Lorenzo Pieralisi , Richard Zhu , linux-arm-kernel@lists.infradead.org, Andrey Smirnov , linux-kernel@vger.kernel.org, Fabio Estevam , linux-imx@nxp.com, Bjorn Helgaas , Leonard Crestez , Chris Healy , Lucas Stach 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 Simplify the code by incorporating left shifts into constant defnitions as well as using FIELD_PREP/GENMASK. No functional change intended. Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Fabio Estevam Cc: Chris Healy Cc: Lucas Stach Cc: Leonard Crestez Cc: "A.s. Dong" Cc: Richard Zhu Cc: linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org Signed-off-by: Andrey Smirnov --- drivers/pci/controller/dwc/pci-imx6.c | 28 +++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index b1f30b94fb30..a49e5e491e12 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -105,11 +105,11 @@ struct imx6_pcie { #define PL_OFFSET 0x700 #define PCIE_PHY_CTRL (PL_OFFSET + 0x114) -#define PCIE_PHY_CTRL_DATA_LOC 0 -#define PCIE_PHY_CTRL_CAP_ADR_LOC 16 -#define PCIE_PHY_CTRL_CAP_DAT_LOC 17 -#define PCIE_PHY_CTRL_WR_LOC 18 -#define PCIE_PHY_CTRL_RD_LOC 19 +#define PCIE_PHY_CTRL_DATA(x) FIELD_PREP(GENMASK(15, 0), (x)) +#define PCIE_PHY_CTRL_CAP_ADR BIT(16) +#define PCIE_PHY_CTRL_CAP_DAT BIT(17) +#define PCIE_PHY_CTRL_WR BIT(18) +#define PCIE_PHY_CTRL_RD BIT(19) #define PCIE_PHY_STAT (PL_OFFSET + 0x110) #define PCIE_PHY_STAT_ACK_LOC 16 @@ -178,17 +178,17 @@ static int pcie_phy_wait_ack(struct imx6_pcie *imx6_pcie, int addr) u32 val; int ret; - val = addr << PCIE_PHY_CTRL_DATA_LOC; + val = PCIE_PHY_CTRL_DATA(addr); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, val); - val |= (0x1 << PCIE_PHY_CTRL_CAP_ADR_LOC); + val |= PCIE_PHY_CTRL_CAP_ADR; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, val); ret = pcie_phy_poll_ack(imx6_pcie, 1); if (ret) return ret; - val = addr << PCIE_PHY_CTRL_DATA_LOC; + val = PCIE_PHY_CTRL_DATA(addr); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, val); return pcie_phy_poll_ack(imx6_pcie, 0); @@ -206,7 +206,7 @@ static int pcie_phy_read(struct imx6_pcie *imx6_pcie, int addr, int *data) return ret; /* assert Read signal */ - phy_ctl = 0x1 << PCIE_PHY_CTRL_RD_LOC; + phy_ctl = PCIE_PHY_CTRL_RD; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, phy_ctl); ret = pcie_phy_poll_ack(imx6_pcie, 1); @@ -234,11 +234,11 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) if (ret) return ret; - var = data << PCIE_PHY_CTRL_DATA_LOC; + var = PCIE_PHY_CTRL_DATA(data); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* capture data */ - var |= (0x1 << PCIE_PHY_CTRL_CAP_DAT_LOC); + var |= PCIE_PHY_CTRL_CAP_DAT; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); ret = pcie_phy_poll_ack(imx6_pcie, 1); @@ -246,7 +246,7 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) return ret; /* deassert cap data */ - var = data << PCIE_PHY_CTRL_DATA_LOC; + var = PCIE_PHY_CTRL_DATA(data); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* wait for ack de-assertion */ @@ -255,7 +255,7 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) return ret; /* assert wr signal */ - var = 0x1 << PCIE_PHY_CTRL_WR_LOC; + var = PCIE_PHY_CTRL_WR; dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* wait for ack */ @@ -264,7 +264,7 @@ static int pcie_phy_write(struct imx6_pcie *imx6_pcie, int addr, int data) return ret; /* deassert wr signal */ - var = data << PCIE_PHY_CTRL_DATA_LOC; + var = PCIE_PHY_CTRL_DATA(data); dw_pcie_writel_dbi(pci, PCIE_PHY_CTRL, var); /* wait for ack de-assertion */ -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel