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Mathias Nyman authored
To support systems with several xhci controllers with active dbc on each xhci we need to use IDR to identify and give an index to each port. Avoid using global struct tty_driver.driver_state for storing dbc port pointer as it won't work with several dbc ports Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20220216095153.1303105-6-mathias.nyman@linux.intel.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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