table of contents
| USB_HUB_FIND_CHILD(9) | USB Core APIs | USB_HUB_FIND_CHILD(9) |
NAME¶
usb_hub_find_child - Get the pointer of child device attached to the port which is specified by port1.
SYNOPSIS¶
struct usb_device * usb_hub_find_child(struct usb_device * hdev, int port1);
ARGUMENTS¶
hdev
USB device belonging to the usb hub
port1
port num to indicate which port the child device is
attached to.
RHEL SPECIFIC NOTE¶
ff823c79a5c33194c2e5594f7c4686ea3547910c wasn´t completely backported due changes on usb_device structure. This function was modified to work with existing structure.
Return NULL if input param is invalid and child´s usb_device pointer if non-NULL.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |