xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

usb: roles: Find the muxes by also matching against the device node

Browse Source 
When the connections are defined in firmware, struct
device_connection will have the fwnode member pointing to
the device node (struct fwnode_handle) of the requested
device, and the endpoint will not be used at all in that
case.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jun Li <jun.li@nxp.com>
Tested-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>
This commit is contained in:
Heikki Krogerus
2019-02-13 10:45:54 +03:00
committed by Greg Kroah-Hartman
parent 80e04837a4
commit ec69e9533c
2 changed files with 20 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/usb/role.h
View File

@@ -18,6 +18,7 @@ typedef enum usb_role (*usb_role_switch_get_t)(struct device *dev);
/**
* struct usb_role_switch_desc - USB Role Switch Descriptor
* @fwnode: The device node to be associated with the role switch
* @usb2_port: Optional reference to the host controller port device (USB2)
* @usb3_port: Optional reference to the host controller port device (USB3)
* @udc: Optional reference to the peripheral controller device
@@ -32,6 +33,7 @@ typedef enum usb_role (*usb_role_switch_get_t)(struct device *dev);
* usb_role_switch_register() before registering the switch.
*/
struct usb_role_switch_desc {
struct fwnode_handle *fwnode;
struct device *usb2_port;
struct device *usb3_port;
struct device *udc;