openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

greybus: interface: kill gb_create_bundle_connection 

Kill gb_create_bundle_connection, which was only used to create the
control bundle and connection, and replace it with a specialised static
helper.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2015-11-25 15:59:10 +01:00 committed by Greg Kroah-Hartman
parent 66069fb06c
commit e4048006fd
2 changed files with 17 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/staging/greybus/interface.c
View File

@ -71,40 +71,27 @@ struct device_type greybus_interface_type = {
/*
* Create kernel structures corresponding to a bundle and connection for
* managing control/svc CPort.
* managing control CPort.
*/
int gb_create_bundle_connection(struct gb_interface *intf, u8 class)
static int
gb_interface_create_control_bundle_connection(struct gb_interface *intf)
{
struct gb_bundle *bundle;
u32 ida_start, ida_end;
u8 bundle_id, protocol_id;
u16 cport_id;
struct gb_connection *connection;
if (class == GREYBUS_CLASS_CONTROL) {
protocol_id = GREYBUS_PROTOCOL_CONTROL;
bundle_id = GB_CONTROL_BUNDLE_ID;
cport_id = GB_CONTROL_CPORT_ID;
ida_start = 0;
ida_end = intf->hd->num_cports - 1;
} else if (class == GREYBUS_CLASS_SVC) {
protocol_id = GREYBUS_PROTOCOL_SVC;
bundle_id = GB_SVC_BUNDLE_ID;
cport_id = GB_SVC_CPORT_ID;
ida_start = GB_SVC_CPORT_ID;
ida_end = GB_SVC_CPORT_ID + 1;
} else {
WARN_ON(1);
return -EINVAL;
bundle = gb_bundle_create(intf, GB_CONTROL_BUNDLE_ID,
GREYBUS_CLASS_CONTROL);
if (!bundle) {
dev_err(&intf->dev, "failed to create control bundle\n");
return -ENOMEM;
}
bundle = gb_bundle_create(intf, bundle_id, class);
if (!bundle)
return -EINVAL;
if (!gb_connection_create_range(bundle->intf->hd, bundle,
cport_id, protocol_id, ida_start,
ida_end))
return -EINVAL;
connection = gb_connection_create(bundle, GB_CONTROL_CPORT_ID,
GREYBUS_PROTOCOL_CONTROL);
if (!connection) {
dev_err(&intf->dev, "failed to create control connection\n");
return -ENOMEM;
}
return 0;
}
@ -208,11 +195,9 @@ int gb_interface_init(struct gb_interface *intf, u8 device_id)
intf->device_id = device_id;
/* Establish control CPort connection */
ret = gb_create_bundle_connection(intf, GREYBUS_CLASS_CONTROL);
if (ret) {
dev_err(&intf->dev, "Failed to create control CPort connection (%d)\n", ret);
ret = gb_interface_create_control_bundle_connection(intf);
if (ret)
return ret;
}
/* Get manifest size using control protocol on CPort */
size = gb_control_get_manifest_size_operation(intf);

1
drivers/staging/greybus/interface.h
View File

@ -61,5 +61,4 @@ int gb_interface_init(struct gb_interface *intf, u8 device_id);
void gb_interface_remove(struct gb_interface *intf);
void gb_interfaces_remove(struct gb_host_device *hd);
int gb_create_bundle_connection(struct gb_interface *intf, u8 class);
#endif /* __INTERFACE_H */