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greybus: bundle: Initialize all bundles on link-up

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An interface can have 1 or more bundles. On link-up event, we must initialize
all the bundles associated with the interface.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Viresh Kumar 2015-04-01 20:32:01 +05:30 committed by Greg Kroah-Hartman
parent 7c183f70ed
commit bb97ea813b
3 changed files with 23 additions and 11 deletions
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4
drivers/staging/greybus/ap.c
View File

@ -146,9 +146,7 @@ static void svc_management(struct svc_function_unipro_management *management,
management->link_up.interface_id);
return;
}
ret = gb_bundle_init(intf,
management->link_up.interface_id,
management->link_up.device_id);
ret = gb_bundles_init(intf, management->link_up.device_id);
if (ret) {
dev_err(hd->parent,
"error %d initializing bundles for interface %hhu\n",

27
drivers/staging/greybus/bundle.c
View File

@ -146,16 +146,11 @@ void gb_bundle_destroy(struct gb_interface *intf)
}
}
int gb_bundle_init(struct gb_interface *intf, u8 bundle_id, u8 device_id)
int gb_bundle_init(struct gb_bundle *bundle, u8 device_id)
{
struct gb_bundle *bundle;
struct gb_interface *intf = bundle->intf;
int ret;
bundle = gb_bundle_find(intf, bundle_id);
if (!bundle) {
dev_err(intf->hd->parent, "bundle %hhu not found\n", bundle_id);
return -ENOENT;
}
bundle->device_id = device_id;
ret = svc_set_route_send(bundle, intf->hd);
@ -175,6 +170,24 @@ int gb_bundle_init(struct gb_interface *intf, u8 bundle_id, u8 device_id)
return 0;
}
int gb_bundles_init(struct gb_interface *intf, u8 device_id)
{
struct gb_bundle *bundle;
int ret = 0;
list_for_each_entry(bundle, &intf->bundles, links) {
ret = gb_bundle_init(bundle, device_id);
if (ret) {
dev_err(intf->hd->parent,
"Failed to initialize bundle %hhu\n",
bundle->id);
break;
}
}
return ret;
}
struct gb_bundle *gb_bundle_find(struct gb_interface *intf, u8 bundle_id)
{
struct gb_bundle *bundle;

3
drivers/staging/greybus/bundle.h
View File

@ -31,7 +31,8 @@ struct gb_bundle {
struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id,
u8 class_type);
void gb_bundle_destroy(struct gb_interface *intf);
int gb_bundle_init(struct gb_interface *intf, u8 module_id, u8 device_id);
int gb_bundle_init(struct gb_bundle *bundle, u8 device_id);
int gb_bundles_init(struct gb_interface *intf, u8 device_id);
struct gb_bundle *gb_bundle_find(struct gb_interface *intf, u8 bundle_id);
void gb_bundle_bind_protocols(void);