From patchwork Fri May 14 05:22:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Williams X-Patchwork-Id: 12257079 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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 94DECC433B4 for ; Fri, 14 May 2021 05:22:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65CDB61452 for ; Fri, 14 May 2021 05:22:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232498AbhENFXN (ORCPT ); Fri, 14 May 2021 01:23:13 -0400 Received: from mga12.intel.com ([192.55.52.136]:57596 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232456AbhENFXM (ORCPT ); Fri, 14 May 2021 01:23:12 -0400 IronPort-SDR: ZyYTzL/lPL/HyXuU41r5bGW4eXwd2j6R9hHk9N/e1rcOO9qS4qSYwlJt7DqxqaQP4vyR1gV7IF G0/WSciuzhwQ== X-IronPort-AV: E=McAfee;i="6200,9189,9983"; a="179714428" X-IronPort-AV: E=Sophos;i="5.82,299,1613462400"; d="scan'208";a="179714428" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2021 22:22:00 -0700 IronPort-SDR: 00HR/d84dvMU1ghVbyMFtTUAYke3TNwhI5QPbR3ypnKkLdQOSADCcmzh1gAQS9iDYis6EH8UAq g9HPRJUj7qoQ== X-IronPort-AV: E=Sophos;i="5.82,299,1613462400"; d="scan'208";a="542738989" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.25]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2021 22:22:00 -0700 Subject: [PATCH v4 3/8] cxl/core: Rename bus.c to core.c From: Dan Williams To: linux-cxl@vger.kernel.org Cc: Ben Widawsky , Jonathan Cameron , hch@lst.de, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 13 May 2021 22:22:00 -0700 Message-ID: <162096972018.1865304.11079951161445408423.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <162096970332.1865304.10280028741091576940.stgit@dwillia2-desk3.amr.corp.intel.com> References: <162096970332.1865304.10280028741091576940.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.18-3-g996c MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org In preparation for more generic shared functionality across endpoint consumers of core cxl resources, and platform-firmware producers of those resources, rename bus.c to core.c. In addition to the central rendezvous for interleave coordination, the core will also define common routines like CXL register block mapping. Acked-by: Ben Widawsky Reviewed-by: Jonathan Cameron Signed-off-by: Dan Williams --- Documentation/driver-api/cxl/memory-devices.rst | 6 ++--- drivers/cxl/Makefile | 4 ++- drivers/cxl/bus.c | 29 ---------------------- drivers/cxl/core.c | 30 +++++++++++++++++++++++ 4 files changed, 35 insertions(+), 34 deletions(-) delete mode 100644 drivers/cxl/bus.c create mode 100644 drivers/cxl/core.c diff --git a/Documentation/driver-api/cxl/memory-devices.rst b/Documentation/driver-api/cxl/memory-devices.rst index 1bad466f9167..71495ed77069 100644 --- a/Documentation/driver-api/cxl/memory-devices.rst +++ b/Documentation/driver-api/cxl/memory-devices.rst @@ -28,10 +28,10 @@ CXL Memory Device .. kernel-doc:: drivers/cxl/mem.c :internal: -CXL Bus +CXL Core ------- -.. kernel-doc:: drivers/cxl/bus.c - :doc: cxl bus +.. kernel-doc:: drivers/cxl/core.c + :doc: cxl core External Interfaces =================== diff --git a/drivers/cxl/Makefile b/drivers/cxl/Makefile index a314a1891f4d..3808e39dd31f 100644 --- a/drivers/cxl/Makefile +++ b/drivers/cxl/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_CXL_BUS) += cxl_bus.o +obj-$(CONFIG_CXL_BUS) += cxl_core.o obj-$(CONFIG_CXL_MEM) += cxl_mem.o ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=CXL -cxl_bus-y := bus.o +cxl_core-y := core.o cxl_mem-y := mem.o diff --git a/drivers/cxl/bus.c b/drivers/cxl/bus.c deleted file mode 100644 index 58f74796d525..000000000000 --- a/drivers/cxl/bus.c +++ /dev/null @@ -1,29 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ -#include -#include - -/** - * DOC: cxl bus - * - * The CXL bus provides namespace for control devices and a rendezvous - * point for cross-device interleave coordination. - */ -struct bus_type cxl_bus_type = { - .name = "cxl", -}; -EXPORT_SYMBOL_GPL(cxl_bus_type); - -static __init int cxl_bus_init(void) -{ - return bus_register(&cxl_bus_type); -} - -static void cxl_bus_exit(void) -{ - bus_unregister(&cxl_bus_type); -} - -module_init(cxl_bus_init); -module_exit(cxl_bus_exit); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/cxl/core.c b/drivers/cxl/core.c new file mode 100644 index 000000000000..7f8d2034038a --- /dev/null +++ b/drivers/cxl/core.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ +#include +#include + +/** + * DOC: cxl core + * + * The CXL core provides a sysfs hierarchy for control devices and a rendezvous + * point for cross-device interleave coordination through cxl ports. + */ + +struct bus_type cxl_bus_type = { + .name = "cxl", +}; +EXPORT_SYMBOL_GPL(cxl_bus_type); + +static __init int cxl_core_init(void) +{ + return bus_register(&cxl_bus_type); +} + +static void cxl_core_exit(void) +{ + bus_unregister(&cxl_bus_type); +} + +module_init(cxl_core_init); +module_exit(cxl_core_exit); +MODULE_LICENSE("GPL v2");