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mailbox: Allow attaching private data for mbox_chan

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Sometimes mbox controllers wants to store private data in
mbox_chan so that it can be used at a later point of time.
Adding support for hooking private data.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2018-08-27 15:57:47 +05:30 committed by Tom Rini
parent 694b052401
commit 600e46b08c
1 changed files with 3 additions and 4 deletions
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7
include/mailbox.h
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@ -44,6 +44,7 @@ struct udevice;
* *
* @dev: The device which implements the mailbox. * @dev: The device which implements the mailbox.
* @id: The mailbox channel ID within the provider. * @id: The mailbox channel ID within the provider.
* @con_priv: Hook for controller driver to attach private data
* *
* Currently, the mailbox API assumes that a single integer ID is enough to * Currently, the mailbox API assumes that a single integer ID is enough to
* identify and configure any mailbox channel for any mailbox provider. If this * identify and configure any mailbox channel for any mailbox provider. If this
@ -56,11 +57,9 @@ struct udevice;
*/ */
struct mbox_chan { struct mbox_chan {
struct udevice *dev; struct udevice *dev;
/* /* Written by of_xlate.*/
* Written by of_xlate. We assume a single id is enough for now. In the
* future, we might add more fields here.
*/
unsigned long id; unsigned long id;
void *con_priv;
}; };
/** /**