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device connection: Add fwnode member to struct device_connection

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This will prepare the device connection API for connections
described in firmware.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 143059282
Change-Id: Ica0e3a9c3933a883806953a205baabb079e3cfdd
Signed-off-by: Kyle Tso <kyletso@google.com>
This commit is contained in:
Heikki Krogerus
2019-02-13 10:45:52 +03:00
committed by Kyle Tso
parent cc84604308
commit 55162dba12
1 changed files with 6 additions and 0 deletions
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6
include/linux/device.h
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@@ -755,11 +755,17 @@ struct device_dma_parameters {
/**
* struct device_connection - Device Connection Descriptor
* @fwnode: The device node of the connected device
* @endpoint: The names of the two devices connected together
* @id: Unique identifier for the connection
* @list: List head, private, for internal use only
*
* NOTE: @fwnode is not used together with @endpoint. @fwnode is used when
* platform firmware defines the connection. When the connection is registered
* with device_connection_add() @endpoint is used instead.
*/
struct device_connection {
struct fwnode_handle *fwnode;
const char *endpoint[2];
const char *id;
struct list_head list;