From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Bostic Subject: [PATCH 01/16] drivers/fsi: Add empty fsi bus definitions Date: Tue, 6 Dec 2016 18:14:22 -0600 Message-ID: <1481069677-53660-2-git-send-email-christopher.lee.bostic@gmail.com> References: <1481069677-53660-1-git-send-email-christopher.lee.bostic@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1481069677-53660-1-git-send-email-christopher.lee.bostic@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, gregkh@linuxfoundation.org, sre@kernel.org, mturquette@baylibre.com, geert+renesas@glider.be, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: andrew@aj.id.au, alistair@popple.id.au, linux-kernel@vger.kernel.org, Chris Bostic , Jeremy Kerr , benh@kernel.crashing.org, joel@jms.id.au List-Id: devicetree@vger.kernel.org From: Jeremy Kerr This change adds the initial (empty) fsi bus definition, and introduces drivers/fsi/. Signed-off-by: Jeremy Kerr Signed-off-by: Chris Bostic --- drivers/Kconfig | 2 ++ drivers/Makefile | 1 + drivers/fsi/Kconfig | 12 ++++++++++++ drivers/fsi/Makefile | 2 ++ drivers/fsi/fsi-core.c | 38 ++++++++++++++++++++++++++++++++++++++ include/linux/fsi.h | 22 ++++++++++++++++++++++ 6 files changed, 77 insertions(+) create mode 100644 drivers/fsi/Kconfig create mode 100644 drivers/fsi/Makefile create mode 100644 drivers/fsi/fsi-core.c create mode 100644 include/linux/fsi.h diff --git a/drivers/Kconfig b/drivers/Kconfig index e1e2066..117ca14c 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -202,4 +202,6 @@ source "drivers/hwtracing/intel_th/Kconfig" source "drivers/fpga/Kconfig" +source "drivers/fsi/Kconfig" + endmenu diff --git a/drivers/Makefile b/drivers/Makefile index f0afdfb..126e109 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -173,3 +173,4 @@ obj-$(CONFIG_STM) += hwtracing/stm/ obj-$(CONFIG_ANDROID) += android/ obj-$(CONFIG_NVMEM) += nvmem/ obj-$(CONFIG_FPGA) += fpga/ +obj-$(CONFIG_FSI) += fsi/ diff --git a/drivers/fsi/Kconfig b/drivers/fsi/Kconfig new file mode 100644 index 0000000..04c1a0e --- /dev/null +++ b/drivers/fsi/Kconfig @@ -0,0 +1,12 @@ +# +# FSI subsystem +# + +menu "FSI support" + +config FSI + tristate "FSI support" + ---help--- + FSI - the FRU Support Interface - is a simple bus for low-level + access to POWER-based hardware. +endmenu diff --git a/drivers/fsi/Makefile b/drivers/fsi/Makefile new file mode 100644 index 0000000..db0e5e7 --- /dev/null +++ b/drivers/fsi/Makefile @@ -0,0 +1,2 @@ + +obj-$(CONFIG_FSI) += fsi-core.o diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c new file mode 100644 index 0000000..3e45306 --- /dev/null +++ b/drivers/fsi/fsi-core.c @@ -0,0 +1,38 @@ +/* + * FSI core driver + * + * Copyright (C) IBM Corporation 2016 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include + +/* FSI core & Linux bus type definitions */ + +struct bus_type fsi_bus_type = { + .name = "fsi", +}; +EXPORT_SYMBOL_GPL(fsi_bus_type); + +static int fsi_init(void) +{ + return bus_register(&fsi_bus_type); +} + +static void fsi_exit(void) +{ + bus_unregister(&fsi_bus_type); +} + +module_init(fsi_init); +module_exit(fsi_exit); diff --git a/include/linux/fsi.h b/include/linux/fsi.h new file mode 100644 index 0000000..47aa181 --- /dev/null +++ b/include/linux/fsi.h @@ -0,0 +1,22 @@ +/* FSI device & driver interfaces + * + * Copyright (C) IBM Corporation 2016 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef LINUX_FSI_H +#define LINUX_FSI_H + +#include + +extern struct bus_type fsi_bus_type; + +#endif /* LINUX_FSI_H */ -- 1.8.2.2