From patchwork Tue Aug 24 20:42:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 12455797 X-Patchwork-Delegate: bhelgaas@google.com 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 A14CAC4320E for ; Tue, 24 Aug 2021 20:39:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8406E613D3 for ; Tue, 24 Aug 2021 20:39:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235300AbhHXUkB (ORCPT ); Tue, 24 Aug 2021 16:40:01 -0400 Received: from mga18.intel.com ([134.134.136.126]:49509 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234783AbhHXUkB (ORCPT ); Tue, 24 Aug 2021 16:40:01 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10086"; a="204530931" X-IronPort-AV: E=Sophos;i="5.84,348,1620716400"; d="scan'208";a="204530931" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2021 13:39:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,348,1620716400"; d="scan'208";a="526819950" Received: from anguy11-desk2.jf.intel.com ([10.166.244.147]) by FMSMGA003.fm.intel.com with ESMTP; 24 Aug 2021 13:39:15 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org Cc: Vinicius Costa Gomes , netdev@vger.kernel.org, anthony.l.nguyen@intel.com, bhelgaas@google.com, linux-pci@vger.kernel.org, sasha.neftin@intel.com, vitaly.lifshits@intel.com, richardcochran@gmail.com Subject: [PATCH net-next 1/4] Revert "PCI: Make pci_enable_ptm() private" Date: Tue, 24 Aug 2021 13:42:45 -0700 Message-Id: <20210824204248.2957134-2-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210824204248.2957134-1-anthony.l.nguyen@intel.com> References: <20210824204248.2957134-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Vinicius Costa Gomes Make pci_enable_ptm() accessible from the drivers. Exposing this to the driver enables the driver to use the 'ptm_enabled' field of 'pci_dev' to check if PTM is enabled or not. This reverts commit ac6c26da29c1 ("PCI: Make pci_enable_ptm() private"). Signed-off-by: Vinicius Costa Gomes Acked-by: Bjorn Helgaas Signed-off-by: Tony Nguyen --- drivers/pci/pci.h | 3 --- include/linux/pci.h | 7 +++++++ 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 93dcdd431072..2f52110cac97 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -597,11 +597,8 @@ static inline void pcie_ecrc_get_policy(char *str) { } #ifdef CONFIG_PCIE_PTM void pci_ptm_init(struct pci_dev *dev); -int pci_enable_ptm(struct pci_dev *dev, u8 *granularity); #else static inline void pci_ptm_init(struct pci_dev *dev) { } -static inline int pci_enable_ptm(struct pci_dev *dev, u8 *granularity) -{ return -EINVAL; } #endif struct pci_dev_reset_methods { diff --git a/include/linux/pci.h b/include/linux/pci.h index 540b377ca8f6..21a9d244e4e4 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1620,6 +1620,13 @@ static inline bool pci_aer_available(void) { return false; } bool pci_ats_disabled(void); +#ifdef CONFIG_PCIE_PTM +int pci_enable_ptm(struct pci_dev *dev, u8 *granularity); +#else +static inline int pci_enable_ptm(struct pci_dev *dev, u8 *granularity) +{ return -EINVAL; } +#endif + void pci_cfg_access_lock(struct pci_dev *dev); bool pci_cfg_access_trylock(struct pci_dev *dev); void pci_cfg_access_unlock(struct pci_dev *dev);