[PATCH 01/16] drivers/fsi: Add empty fsi bus definitions
From: Chris Bostic <hidden>
Date: 2016-12-07 00:17:25
Also in:
linux-arm-kernel, lkml
Subsystem:
fsi subsystem, the rest · Maintainers:
Eddie James, Linus Torvalds
From: Jeremy Kerr <jk@ozlabs.org> This change adds the initial (empty) fsi bus definition, and introduces drivers/fsi/. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Chris Bostic <redacted> --- 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 <linux/device.h> +#include <linux/fsi.h> +#include <linux/module.h> + +/* 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 <linux/device.h> + +extern struct bus_type fsi_bus_type; + +#endif /* LINUX_FSI_H */
--
1.8.2.2