xhci: dbc: Don't call dbc_tty_init() on every dbc tty probe
The current workaround to call the dbc_tty_init() in probe is not working in case we have several xhci devices with dbc enabled. dbc_tty_init() should be called only once by a module init call when module is loaded. until dbgtty is its own module call dbc_tty_init() from xhci module init call. Same is true for unloading and dbc_tty_exit() Signed-off-by:Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20220216095153.1303105-5-mathias.nyman@linux.intel.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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