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greybus: hd: add flag argument to cport_enable callback 

Add a flag argument to the host-device cport_enable callback that can be
used to provide hints about the connection being created (e.g.
connection priority).

Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2016-06-22 11:42:02 +02:00 committed by Greg Kroah-Hartman
parent caad3090ab
commit 6910fa2dd6
2 changed files with 4 additions and 2 deletions
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3
drivers/staging/greybus/connection.c
View File

@ -286,7 +286,8 @@ static int gb_connection_hd_cport_enable(struct gb_connection *connection)
if (!hd->driver->cport_enable)
return 0;
ret = hd->driver->cport_enable(hd, connection->hd_cport_id);
ret = hd->driver->cport_enable(hd, connection->hd_cport_id,
connection->flags);
if (ret) {
dev_err(&hd->dev, "%s: failed to enable host cport: %d\n",
connection->name, ret);

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

@ -19,7 +19,8 @@ struct gb_hd_driver {
int (*cport_allocate)(struct gb_host_device *hd, int cport_id,
unsigned long flags);
void (*cport_release)(struct gb_host_device *hd, u16 cport_id);
int (*cport_enable)(struct gb_host_device *hd, u16 cport_id);
int (*cport_enable)(struct gb_host_device *hd, u16 cport_id,
unsigned long flags);
int (*cport_disable)(struct gb_host_device *hd, u16 cport_id);
int (*cport_flush)(struct gb_host_device *hd, u16 cport_id);
int (*cport_ping)(struct gb_host_device *hd, u16 cport_id);