1USB_WAIT_ANCHOR_EMPT(9) USB Core APIs USB_WAIT_ANCHOR_EMPT(9)
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6 usb_wait_anchor_empty_timeout - wait for an anchor to be unused
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9 int usb_wait_anchor_empty_timeout(struct usb_anchor * anchor,
10 unsigned int timeout);
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13 anchor
14 the anchor you want to become unused
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16 timeout
17 how long you are willing to wait in milliseconds
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20 Call this is you want to be sure all an anchor's URBs have finished
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23 Non-zero if the anchor became unused. Zero on timeout.
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26Kernel Hackers Manual 3.10 June 2019 USB_WAIT_ANCHOR_EMPT(9)