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drivers: base: Helpers for adding device connection descriptions

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commit cd7753d371 upstream.

Introducing helpers for adding and removing multiple device
connection descriptions at once.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus
2018-09-20 14:23:40 +03:00
committed by Greg Kroah-Hartman
parent f5959dec08
commit e99d90ce77
1 changed files with 24 additions and 0 deletions
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24
include/linux/device.h
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@@ -773,6 +773,30 @@ struct device *device_connection_find(struct device *dev, const char *con_id);
void device_connection_add(struct device_connection *con);
void device_connection_remove(struct device_connection *con);
/**
* device_connections_add - Add multiple device connections at once
* @cons: Zero terminated array of device connection descriptors
*/
static inline void device_connections_add(struct device_connection *cons)
{
struct device_connection *c;
for (c = cons; c->endpoint[0]; c++)
device_connection_add(c);
}
/**
* device_connections_remove - Remove multiple device connections at once
* @cons: Zero terminated array of device connection descriptors
*/
static inline void device_connections_remove(struct device_connection *cons)
{
struct device_connection *c;
for (c = cons; c->endpoint[0]; c++)
device_connection_remove(c);
}
/**
* enum device_link_state - Device link states.
* @DL_STATE_NONE: The presence of the drivers is not being tracked.