greybus: kill the endo

Remove the now unused endo and module code.

Note that the never-implemented serial and version attributes of the
endo can be implemented as svc attributes if needed.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

1 files changed, 0 insertions, 178 deletions

diff --git a/drivers/staging/greybus/module.c b/drivers/staging/greybus/module.c
deleted file mode 100644
index e3d7a66e692e..000000000000
--- a/drivers/staging/greybus/module.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Greybus module code
- *
- * Copyright 2014 Google Inc.
- * Copyright 2014 Linaro Ltd.
- *
- * Released under the GPLv2 only.
- */
-
-#include "greybus.h"
-
-
-/* module sysfs attributes */
-static ssize_t epm_show(struct device *dev, struct device_attribute *attr,
-			char *buf)
-{
-	// FIXME
-	// Implement something here when we have a working control protocol
-	return sprintf(buf, "1\n");
-}
-
-static ssize_t epm_store(struct device *dev, struct device_attribute *attr,
-			 const char *buf, size_t size)
-{
-	// FIXME
-	// Implement something here when we have a working control protocol
-	return 0;
-}
-static DEVICE_ATTR_RW(epm);
-
-static ssize_t power_control_show(struct device *dev,
-				  struct device_attribute *addr, char *buf)
-{
-	// FIXME
-	// Implement something here when we have a working control protocol
-	return sprintf(buf, "1\n");
-}
-
-static ssize_t power_control_store(struct device *dev,
-				   struct device_attribute *attr,
-				   const char *buf, size_t size)
-{
-	// FIXME
-	// Implement something here when we have a working control protocol
-	return 0;
-}
-static DEVICE_ATTR_RW(power_control);
-
-static ssize_t present_show(struct device *dev,
-			    struct device_attribute *addr, char *buf)
-{
-	// FIXME
-	// Implement something here when we have a working control protocol
-	return sprintf(buf, "1\n");
-}
-
-static ssize_t present_store(struct device *dev, struct device_attribute *attr,
-			     const char *buf, size_t size)
-{
-	// FIXME
-	// Implement something here when we have a working control protocol
-	return 0;
-}
-static DEVICE_ATTR_RW(present);
-
-static struct attribute *module_attrs[] = {
-	&dev_attr_epm.attr,
-	&dev_attr_power_control.attr,
-	&dev_attr_present.attr,
-	NULL,
-};
-ATTRIBUTE_GROUPS(module);
-
-static void gb_module_release(struct device *dev)
-{
-	struct gb_module *module = to_gb_module(dev);
-
-	kfree(module);
-}
-
-struct device_type greybus_module_type = {
-	.name =		"greybus_module",
-	.release =	gb_module_release,
-};
-
-struct module_find {
-	struct gb_endo *endo;
-	u8 module_id;
-};
-
-static int module_find(struct device *dev, void *data)
-{
-	struct gb_module *module;
-	struct module_find *find = data;
-
-	if (!is_gb_module(dev))
-		return 0;
-
-	module = to_gb_module(dev);
-	if ((module->module_id == find->module_id) &&
-	    (module->dev.parent == &find->endo->dev))
-		return 1;
-
-	return 0;
-}
-
-/*
- * Search the list of modules in the system.  If one is found, return it, with
- * the reference count incremented.
- */
-struct gb_module *gb_module_find(struct gb_host_device *hd, u8 module_id)
-{
-	struct device *dev;
-	struct gb_module *module = NULL;
-	struct module_find find;
-
-	if (!module_id)
-		return NULL;
-
-	find.module_id = module_id;
-	find.endo = hd->endo;
-
-	dev = bus_find_device(&greybus_bus_type, NULL,
-			      &find, module_find);
-	if (dev)
-		module = to_gb_module(dev);
-
-	return module;
-}
-
-struct gb_module *gb_module_create(struct device *parent, u8 module_id)
-{
-	struct gb_module *module;
-	int retval;
-
-	module = kzalloc(sizeof(*module), GFP_KERNEL);
-	if (!module)
-		return NULL;
-
-	module->module_id = module_id;
-	module->dev.parent = parent;
-	module->dev.bus = &greybus_bus_type;
-	module->dev.type = &greybus_module_type;
-	module->dev.groups = module_groups;
-	module->dev.dma_mask = parent->dma_mask;
-	device_initialize(&module->dev);
-	dev_set_name(&module->dev, "%s:%hhu", dev_name(parent), module_id);
-
-	retval = device_add(&module->dev);
-	if (retval) {
-		pr_err("failed to add module device for id 0x%02hhx\n",
-			module_id);
-		put_device(&module->dev);
-		return NULL;
-	}
-
-	return module;
-}
-
-static int module_remove(struct device *dev, void *data)
-{
-	struct gb_module *module;
-	struct gb_endo *endo = data;
-
-	if (!is_gb_module(dev))
-		return 0;
-
-	module = to_gb_module(dev);
-	if (module->dev.parent == &endo->dev)
-		device_unregister(&module->dev);
-
-	return 0;
-}
-
-void gb_module_remove_all(struct gb_endo *endo)
-{
-	bus_for_each_dev(&greybus_bus_type, NULL, endo, module_remove);
-}