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USB_CREATE_SHARED_HC(9) Host Controller APIs USB_CREATE_SHARED_HC(9)

NAME

usb_create_shared_hcd - create and initialize an HCD structure

SYNOPSIS

struct usb_hcd * usb_create_shared_hcd(const struct hc_driver * driver, struct device * dev, const char * bus_name, struct usb_hcd * primary_hcd);

ARGUMENTS

driver

HC driver that will use this hcd

dev

device for this HC, stored in hcd->self.controller

bus_name

value to store in hcd->self.bus_name

primary_hcd

a pointer to the usb_hcd structure that is sharing the PCI device. Only allocate certain resources for the primary HCD

CONTEXT

!in_interrupt

DESCRIPTION

Allocate a struct usb_hcd, with extra space at the end for the HC driver's private data. Initialize the generic members of the hcd structure.

RETURN

On success, a pointer to the created and initialized HCD structure. On failure (e.g. if memory is unavailable), NULL.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.