From patchwork Thu Sep 22 08:06:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 608387 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 D53FAC6FA8B for ; Thu, 22 Sep 2022 08:07:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229865AbiIVIHL (ORCPT ); Thu, 22 Sep 2022 04:07:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229851AbiIVIHJ (ORCPT ); Thu, 22 Sep 2022 04:07:09 -0400 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B4BAEB40DB; Thu, 22 Sep 2022 01:07:08 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.93,335,1654527600"; d="scan'208";a="133637561" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 22 Sep 2022 17:07:07 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 050D74185388; Thu, 22 Sep 2022 17:07:07 +0900 (JST) From: Yoshihiro Shimoda To: lpieralisi@kernel.org, robh+dt@kernel.org, kw@linux.com, bhelgaas@google.com, krzk+dt@kernel.org Cc: marek.vasut+renesas@gmail.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: [PATCH v6 03/10] PCI: Add PCI_EXP_LNKCAP_MLW macros Date: Thu, 22 Sep 2022 17:06:40 +0900 Message-Id: <20220922080647.3489791-4-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220922080647.3489791-1-yoshihiro.shimoda.uh@renesas.com> References: <20220922080647.3489791-1-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add macros defining Maximum Link Width bits in Link Capabilities Register. Signed-off-by: Yoshihiro Shimoda Acked-by: Bjorn Helgaas --- include/uapi/linux/pci_regs.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 57b8e2ffb1dd..06c9e5d0ef33 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -538,6 +538,12 @@ #define PCI_EXP_LNKCAP_SLS_16_0GB 0x00000004 /* LNKCAP2 SLS Vector bit 3 */ #define PCI_EXP_LNKCAP_SLS_32_0GB 0x00000005 /* LNKCAP2 SLS Vector bit 4 */ #define PCI_EXP_LNKCAP_SLS_64_0GB 0x00000006 /* LNKCAP2 SLS Vector bit 5 */ +#define PCI_EXP_LNKCAP_MLW_X1 0x00000010 /* Maximum Link Width x1 */ +#define PCI_EXP_LNKCAP_MLW_X2 0x00000020 /* Maximum Link Width x2 */ +#define PCI_EXP_LNKCAP_MLW_X4 0x00000040 /* Maximum Link Width x4 */ +#define PCI_EXP_LNKCAP_MLW_X8 0x00000080 /* Maximum Link Width x8 */ +#define PCI_EXP_LNKCAP_MLW_X12 0x000000c0 /* Maximum Link Width x12 */ +#define PCI_EXP_LNKCAP_MLW_X16 0x00000100 /* Maximum Link Width x16 */ #define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */ #define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */ #define PCI_EXP_LNKCAP_ASPM_L0S 0x00000400 /* ASPM L0s Support */