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greybus: interface: move interface-removal helper

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Move helper to remove all interfaces of a host-device to the svc code
and call it when removing the svc device as this needs to be coordinated
with flushing the SVC work queue.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Jeffrey Carlyle <jcarlyle@google.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2016-03-09 12:20:41 +01:00 committed by Greg Kroah-Hartman
parent 64acb6611f
commit 66d674cfaf
4 changed files with 10 additions and 10 deletions
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1
drivers/staging/greybus/hd.c
View File

@ -138,7 +138,6 @@ void gb_hd_del(struct gb_host_device *hd)
* removing the remaining interfaces.
*/
gb_svc_del(hd->svc);
gb_interfaces_remove(hd);
device_del(&hd->dev);
}

8
drivers/staging/greybus/interface.c
View File

@ -167,14 +167,6 @@ void gb_interface_remove(struct gb_interface *intf)
put_device(&intf->dev);
}
void gb_interfaces_remove(struct gb_host_device *hd)
{
struct gb_interface *intf, *temp;
list_for_each_entry_safe(intf, temp, &hd->interfaces, links)
gb_interface_remove(intf);
}
/*
* Intialise an interface by enabling the control connection and fetching the
* manifest and other information over it.

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

@ -50,6 +50,5 @@ struct gb_interface *gb_interface_create(struct gb_host_device *hd,
int gb_interface_init(struct gb_interface *intf);
int gb_interface_add(struct gb_interface *intf);
void gb_interface_remove(struct gb_interface *intf);
void gb_interfaces_remove(struct gb_host_device *hd);
#endif /* __INTERFACE_H */

10
drivers/staging/greybus/svc.c
View File

@ -997,6 +997,14 @@ int gb_svc_add(struct gb_svc *svc)
return 0;
}
static void gb_svc_remove_interfaces(struct gb_svc *svc)
{
struct gb_interface *intf, *tmp;
list_for_each_entry_safe(intf, tmp, &svc->hd->interfaces, links)
gb_interface_remove(intf);
}
void gb_svc_del(struct gb_svc *svc)
{
gb_connection_disable(svc->connection);
@ -1012,6 +1020,8 @@ void gb_svc_del(struct gb_svc *svc)
}
flush_workqueue(svc->wq);
gb_svc_remove_interfaces(svc);
}
void gb_svc_put(struct gb_svc *svc)