Commit f1c6c8b1 authored by Gabriel Somlo's avatar Gabriel Somlo Committed by Greg Kroah-Hartman
Browse files

serial: liteuart: move polling putchar() function 



The polling liteuart_putchar() function is only called from methods
conditionally enabled by CONFIG_SERIAL_LITEUART_CONSOLE. Move its
definition closer to the console code where it is dependent on the
same config option.

Signed-off-by: default avatarGabriel Somlo <gsomlo@gmail.com>
Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: default avatarJiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20221123130500.1030189-15-gsomlo@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 01a305a3

drivers/tty/serial/liteuart.c

+8 −8
Original line number Diff line number Diff line
@@ -70,14 +70,6 @@ static struct uart_driver liteuart_driver = { 
#endif

};



static void liteuart_putchar(struct uart_port *port, unsigned char ch)

{

	while (litex_read8(port->membase + OFF_TXFULL))

		cpu_relax();



	litex_write8(port->membase + OFF_RXTX, ch);

}



static void liteuart_update_irq_reg(struct uart_port *port, bool set, u8 mask)

{

	struct liteuart_port *uart = to_liteuart_port(port);
@@ -377,6 +369,14 @@ static struct platform_driver liteuart_platform_driver = { 


#ifdef CONFIG_SERIAL_LITEUART_CONSOLE



static void liteuart_putchar(struct uart_port *port, unsigned char ch)

{

	while (litex_read8(port->membase + OFF_TXFULL))

		cpu_relax();



	litex_write8(port->membase + OFF_RXTX, ch);

}



static void liteuart_console_write(struct console *co, const char *s,

	unsigned int count)

{