From patchwork Sun Jun 12 10:18:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 12878694 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9EBACCA483 for ; Sun, 12 Jun 2022 10:18:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236031AbiFLKSx (ORCPT ); Sun, 12 Jun 2022 06:18:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235984AbiFLKSw (ORCPT ); Sun, 12 Jun 2022 06:18:52 -0400 Received: from mail.tkos.co.il (wiki.tkos.co.il [84.110.109.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1ED1422BCE; Sun, 12 Jun 2022 03:18:51 -0700 (PDT) Received: from tarshish.tkos.co.il (unknown [10.0.8.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.tkos.co.il (Postfix) with ESMTPS id 828B944091D; Sun, 12 Jun 2022 13:18:33 +0300 (IDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tkos.co.il; s=default; t=1655029114; bh=KuQXYgm8NThAIzb7Ikf1sLboR2SVHi9w/PFiSS2oBeM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YOp6x8CPE5LAHYBIj5eIocJB8SItVI5ytlhbXSpwGr5vTbkrRUM1qycjJQly1tftR XqtDzOH82NvIPMCgvMwy60TwCzmKzCZOoWVrhj7hKFDw8cnetdpMIz6YL7qCogDua8 NsuYVmgNpcJ8AUld6hEGILMYfjuwoTpV6KebUKZaph7mrRjhymhIJ0Kj/tS6Nex10a NPrMeIotyVKWdIcvhzAgWtq/fo6s8HV73UrkwAKxQoWtYDia90/Cf2L0NNLxAGHp3l fhE6TeT62FvUQ6MR+TYJd4aWxnHBTu0u7Q2qnIcFnxlycx/FGscR58szcyn3qlJK/g UXO7w3gmCKxnw== From: Baruch Siach To: Andy Gross , Bjorn Andersson , Stanimir Varbanov Cc: Baruch Siach , Kathiravan T , Selvam Sathappan Periakaruppan , Bjorn Helgaas , Rob Herring , Thierry Reding , Jonathan Hunter , Jingoo Han , Gustavo Pimentel , Robert Marko , Bryan O'Donoghue , =?utf-8?q?Pali_Roh=C3=A1r?= , linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org Subject: [PATCH v7 2/3] PCI: qcom: Define slot capabilities using PCI_EXP_SLTCAP_* Date: Sun, 12 Jun 2022 13:18:34 +0300 Message-Id: <27d2c59cc9a916754e0dc68f44447ecefe378410.1655028401.git.baruch@tkos.co.il> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Baruch Siach The PCIE_CAP_LINK1_VAL macro actually defines slot capabilities. Use PCI_EXP_SLTCAP_* macros to spell its value, and rename it to better describe its meaning. Signed-off-by: Baruch Siach Reviewed-by: Rob Herring Acked-by: Stanimir Varbanov --- v7: Use FIELD_PREP for power limit and stale (Pali Rohár) --- drivers/pci/controller/dwc/pcie-qcom.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 2ea13750b492..5ad9be6372f4 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -69,7 +69,20 @@ #define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c #define CFG_BRIDGE_SB_INIT BIT(0) -#define PCIE_CAP_LINK1_VAL 0x2FD7F +#define PCIE_CAP_SLOT_POWER_LIMIT_VAL FIELD_PREP(PCI_EXP_SLTCAP_SPLV, \ + 250) +#define PCIE_CAP_SLOT_POWER_LIMIT_SCALE FIELD_PREP(PCI_EXP_SLTCAP_SPLS, \ + 1) +#define PCIE_CAP_SLOT_VAL (PCI_EXP_SLTCAP_ABP | \ + PCI_EXP_SLTCAP_PCP | \ + PCI_EXP_SLTCAP_MRLSP | \ + PCI_EXP_SLTCAP_AIP | \ + PCI_EXP_SLTCAP_PIP | \ + PCI_EXP_SLTCAP_HPS | \ + PCI_EXP_SLTCAP_HPC | \ + PCI_EXP_SLTCAP_EIP | \ + PCIE_CAP_SLOT_POWER_LIMIT_VAL | \ + PCIE_CAP_SLOT_POWER_LIMIT_SCALE) #define PCIE20_PARF_Q2A_FLUSH 0x1AC @@ -1114,7 +1127,7 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) writel(PCI_COMMAND_MASTER, pci->dbi_base + PCI_COMMAND); writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG); - writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP); + writel(PCIE_CAP_SLOT_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP); val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP); val &= ~PCI_EXP_LNKCAP_ASPMS;