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Subject[PATCH v3 01/18] drivers/fsi: Add empty fsi bus definitions
Date
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 <cbostic@us.ibm.com>
---
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
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