Revert "Add Bus class to reset OCC bus driver"

This reverts commit b5508d7a0fd9202c37cc02aea045f189e991dd09. The new
SBEFIFO driver handles recovery on it's own, making this code
unnecessary.

Change-Id: I65dfb0ff4a67c6f7e225c6dcf68366768236f47a
Signed-off-by: Eddie James <eajames@us.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index fddf9e7..b883f94 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,7 +4,6 @@
 	occ_pass_through.hpp \
 	occ_status.hpp \
 	powercap.hpp \
-        occ_bus.hpp \
 	occ_errors.hpp \
 	occ_events.hpp \
 	occ_finder.hpp \
@@ -22,7 +21,6 @@
 	occ_pass_through.cpp \
 	occ_manager.cpp \
 	occ_status.cpp \
-        occ_bus.cpp \
 	occ_device.cpp \
 	occ_errors.cpp \
 	occ_presence.cpp \
diff --git a/configure.ac b/configure.ac
index 7ac868c..149e0d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,7 +105,6 @@
 AS_IF([test "x$OCC_MASTER_NAME" == "x"], [OCC_MASTER_NAME="occ-hwmon.1"])
 AC_DEFINE_UNQUOTED([OCC_MASTER_NAME], ["$OCC_MASTER_NAME"], [The OCC master object name])
 
-AC_ARG_VAR(OCC_BUS_PATH, [The OCC bus device path])
 AC_ARG_VAR(OCC_HWMON_PATH, [The OCC hwmon path])
 AC_ARG_VAR(DEV_PATH, [The device path])
 AC_ARG_VAR(I2C_OCC_DEVICE_NAME, [The device name of i2c occ hwmon])
@@ -116,11 +115,9 @@
     AS_IF([test "x$I2C_OCC_DEVICE_NAME" == "x"], [I2C_OCC_DEVICE_NAME="p8-occ-hwmon"]),
 
     # Else, define occ hwmon path for FSI
-    AS_IF([test "x$OCC_BUS_PATH" == "x"], [OCC_BUS_PATH="/sys/bus/fsi/drivers/sbefifo/"])
     AS_IF([test "x$OCC_HWMON_PATH" == "x"], [OCC_HWMON_PATH="/sys/bus/platform/drivers/occ-hwmon/"])
     AS_IF([test "x$DEV_PATH" == "x"], [DEV_PATH="/sys/bus/platform/devices/"]),
 )
-AC_DEFINE_UNQUOTED([OCC_BUS_PATH], ["$OCC_BUS_PATH"], [The OCC bus device path])
 AC_DEFINE_UNQUOTED([OCC_HWMON_PATH], ["$OCC_HWMON_PATH"], [The OCC hwmon path])
 AC_DEFINE_UNQUOTED([DEV_PATH], ["$DEV_PATH"], [The device path])
 AC_DEFINE_UNQUOTED([I2C_OCC_DEVICE_NAME], ["$I2C_OCC_DEVICE_NAME"], [The device name of i2c occ hwmon])
diff --git a/occ_bus.cpp b/occ_bus.cpp
deleted file mode 100644
index 27be21b..0000000
--- a/occ_bus.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-#include "occ_device.hpp"
-#include "occ_bus.hpp"
-
-namespace open_power
-{
-namespace occ
-{
-
-fs::path Bus::bindPath = fs::path(OCC_BUS_PATH) / "bind";
-fs::path Bus::unBindPath = fs::path(OCC_BUS_PATH) / "unbind";
-
-void Bus::reset() const
-{
-#ifndef I2C_OCC
-    Device::write(unBindPath, config);
-    Device::write(bindPath, config);
-#endif
-}
-
-} // namespace occ
-} // namespace open_power
diff --git a/occ_bus.hpp b/occ_bus.hpp
deleted file mode 100644
index bdb4fa4..0000000
--- a/occ_bus.hpp
+++ /dev/null
@@ -1,56 +0,0 @@
-#pragma once
-
-#include <string>
-#include <experimental/filesystem>
-
-namespace open_power
-{
-namespace occ
-{
-
-namespace fs = std::experimental::filesystem;
-
-/** @class Bus
- *  @brief Manages the bus on which the OCC device exists
- */
-class Bus
-{
-    public:
-        Bus() = delete;
-        ~Bus() = default;
-        Bus(const Bus&) = delete;
-        Bus& operator=(const Bus&) = delete;
-        Bus(Bus&&) = default;
-        Bus& operator=(Bus&&) = default;
-
-        /** @brief Constructs the Bus object
-         *
-         *  @param[in] instance - OCC device index
-         */
-        explicit Bus(int instance) :
-            config("0" + std::to_string(instance) + ":0" +
-                std::to_string(instance) + ":00:06")
-        {
-            // Nothing to do here
-        }
-
-        void reset() const;
-
-    private:
-        /** @brief Config value to be used to do bind and unbind */
-        const std::string config;
-
-        /**  @brief To bind the device to the OCC's bus driver, do:
-         *
-         *    Write 0x:0x:00:06 to: /sys/bus/fsi/drivers/sbefifo/bind
-         */
-        static fs::path bindPath;
-
-        /**  @brief To un-bind the dvice from the OCC's bus driver, do:
-         *    Write 0x:0x:00:06 to: /sys/bus/fsi/drivers/sbefifo/unbind
-         */
-        static fs::path unBindPath;
-};
-
-} // namespace occ
-} // namespace open_power
diff --git a/occ_device.hpp b/occ_device.hpp
index 85abde6..efa46dc 100644
--- a/occ_device.hpp
+++ b/occ_device.hpp
@@ -2,7 +2,6 @@
 
 #include <fstream>
 #include <experimental/filesystem>
-#include "occ_bus.hpp"
 #include "occ_events.hpp"
 #include "occ_errors.hpp"
 #include "occ_presence.hpp"
@@ -35,20 +34,16 @@
          *  @param[in] event    - Unique ptr reference to sd_event
          *  @param[in] name     - OCC instance name
          *  @param[in] manager  - OCC manager instance
-         *  @param[in] status   - OCC status instance
-         *  @param[in] instance - OCC device index
          *  @param[in] callback - Optional callback on errors
          */
         Device(EventPtr& event,
                const std::string& name,
                const Manager& manager,
                Status& status,
-               int instance,
                std::function<void(bool)> callBack = nullptr) :
             config(name),
             errorFile(fs::path(config) / "occ_error"),
             statusObject(status),
-            busObject(instance),
             error(event, errorFile, callBack),
             presence(event,
                      fs::path(config) / "occs_present",
@@ -79,9 +74,6 @@
         /** @brief Binds device to the OCC driver */
         inline void bind()
         {
-            // Reset this OCC's bus driver
-            busObject.reset();
-
             // Bind the device
             return write(bindPath, config);
         }
@@ -136,21 +128,6 @@
             }
         }
 
-        /** @brief file writer to achieve bind and unbind
-         *
-         *  @param[in] filename - Name of file to be written
-         *  @param[in] data     - Data to be written to
-         *  @return             - None
-         */
-        static void write(const fs::path& fileName, const std::string& data)
-        {
-            // If there is an error, move the exception all the way up
-            std::ofstream file(fileName, std::ios::out);
-            file << data;
-            file.close();
-            return;
-        }
-
     private:
         /** @brief Config value to be used to do bind and unbind */
         const std::string config;
@@ -172,9 +149,6 @@
         /**  Store the associated Status instance */
         Status& statusObject;
 
-        /**  Store the associated Bus instance */
-        const Bus busObject;
-
         /** Abstraction of error monitoring */
         Error error;
 
@@ -186,6 +160,21 @@
         Error throttleProcPower;
         Error throttleMemTemp;
 
+        /** @brief file writer to achieve bind and unbind
+         *
+         *  @param[in] filename - Name of file to be written
+         *  @param[in] data     - Data to be written to
+         *  @return             - None
+         */
+        void write(const fs::path& fileName, const std::string& data)
+        {
+            // If there is an error, move the exception all the way up
+            std::ofstream file(fileName, std::ios::out);
+            file << data;
+            file.close();
+            return;
+        }
+
         /** @brief Returns if device represents the master OCC */
         bool master() const;
 
diff --git a/occ_status.hpp b/occ_status.hpp
index 579f29d..f14bd7d 100644
--- a/occ_status.hpp
+++ b/occ_status.hpp
@@ -74,7 +74,6 @@
 #endif
                      manager,
                      *this,
-                     instance,
                      std::bind(std::mem_fn(&Status::deviceErrorHandler), this,
                                std::placeholders::_1)),
               hostControlSignal(