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dc8f3703e7
This patch is similar to that for bfin-uart hardware flow control. Sport emulated serial device may be probed earlier before GPIOLIB is initialized. Requesting and configuring CTS GPIO PIN fails in that early stage. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>