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efa6b0a1d6
serial8250_isa_init_ports() uses home grown approach to make itself a singleton. Instead, explicitly show that we initialise ISA ports once by providing a helper function which calls the original function via DO_ONCE() macro. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240606184841.3102545-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>