forked from Minki/linux
serial: core: Fix unused variable warnings from uart_console()
If CONFIG_SERIAL_CORE_CONSOLE=n, build warnings are generated by uart_console() macro expansion: drivers/tty/serial/of_serial.c: In function ‘of_serial_suspend_8250’: drivers/tty/serial/of_serial.c:262:20: warning: unused variable ‘port’ [-Wunused-variable] struct uart_port *port = &port8250->port; ^ drivers/tty/serial/of_serial.c: In function ‘of_serial_resume_8250’: drivers/tty/serial/of_serial.c:272:20: warning: unused variable ‘port’ [-Wunused-variable] struct uart_port *port = &port8250->port; Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -35,7 +35,7 @@
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#define uart_console(port) \
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((port)->cons && (port)->cons->index == (port)->line)
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#else
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#define uart_console(port) (0)
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#define uart_console(port) ({ (void)port; 0; })
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#endif
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struct uart_port;
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