diff options
| author |   Heikki Krogerus <heikki.krogerus@linux.intel.com> | 2021-04-07 09:55:53 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-09 16:00:00 +0200 |
| commit | 63cd78617350dae99cc5fbd8f643b83ee819fe33 (patch) | |
| tree | b0afcbe2e961cb6099bbc8a8b28c0f803b4cf63a | |
| parent | usb: typec: Port mapping utility (diff) | |
| download | linux-dev-63cd78617350dae99cc5fbd8f643b83ee819fe33.tar.xz linux-dev-63cd78617350dae99cc5fbd8f643b83ee819fe33.zip | |
usb: Link the ports to the connectors they are attached to
Creating link to the USB Type-C connector for every new port
that is added when possible.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210407065555.88110-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 9 | ||||
| -rw-r--r-- | drivers/usb/core/port.c | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index bf2c1968525f..8b4303a0ff51 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -255,6 +255,15 @@ Description: is permitted, "u2" if only u2 is permitted, "u1_u2" if both u1 and u2 are permitted. +What: /sys/bus/usb/devices/.../(hub interface)/portX/connector +Date: April 2021 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + Link to the USB Type-C connector when available. This link is + only created when USB Type-C Connector Class is enabled, and + only if the system firmware is capable of describing the + connection between a port and its connector. + What: /sys/bus/usb/devices/.../power/usb2_lpm_l1_timeout Date: May 2013 Contact: Mathias Nyman <mathias.nyman@linux.intel.com> diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index dfcca9c876c7..3c382a4b648e 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -9,6 +9,7 @@ #include <linux/slab.h> #include <linux/pm_qos.h> +#include <linux/usb/typec.h> #include "hub.h" @@ -576,6 +577,7 @@ int usb_hub_create_port_device(struct usb_hub *hub, int port1) } find_and_link_peer(hub, port1); + typec_link_port(&port_dev->dev); /* * Enable runtime pm and hold a refernce that hub_configure() @@ -619,5 +621,6 @@ void usb_hub_remove_port_device(struct usb_hub *hub, int port1) peer = port_dev->peer; if (peer) unlink_peers(port_dev, peer); + typec_unlink_port(&port_dev->dev); device_unregister(&port_dev->dev); } |