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serial: liteuart: move polling putchar() function

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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: Gabriel Somlo <gsomlo@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20221123130500.1030189-15-gsomlo@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gabriel Somlo 2022-11-23 08:05:00 -05:00 committed by Greg Kroah-Hartman
parent 01a305a366
commit f1c6c8b1b4
1 changed files with 8 additions and 8 deletions
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16
drivers/tty/serial/liteuart.c
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@ -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)
{