1USB_HUB_FIND_CHILD(9)            USB Core APIs           USB_HUB_FIND_CHILD(9)
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NAME

6       usb_hub_find_child - Get the pointer of child device attached to the
7       port which is specified by port1.
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SYNOPSIS

10       struct usb_device * usb_hub_find_child(struct usb_device * hdev,
11                                              int port1);
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ARGUMENTS

14       hdev
15           USB device belonging to the usb hub
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17       port1
18           port num to indicate which port the child device is attached to.
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DESCRIPTION

21       USB drivers call this function to get hub's child device pointer.
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RETURN

24       NULL if input param is invalid and child's usb_device pointer if
25       non-NULL.
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28Kernel Hackers Manual 3.10         June 2019             USB_HUB_FIND_CHILD(9)
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