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| author |   Gabriel Somlo <gsomlo@gmail.com> | 2022-11-23 08:05:00 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-19 14:59:41 +0100 |
| commit | f1c6c8b1b42dd72bd54adec003463650b84893d8 (patch) | |
| tree | e28b6db6fd69b9e9fdf2e03aa0608df78f581b1d | |
| parent | serial: liteuart: add IRQ support for the TX path (diff) | |
| download | linux-rng-f1c6c8b1b42dd72bd54adec003463650b84893d8.tar.xz linux-rng-f1c6c8b1b42dd72bd54adec003463650b84893d8.zip | |
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: 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>
| -rw-r--r-- | drivers/tty/serial/liteuart.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c index 6e9f58d3957c..ef557d59e4c8 100644 --- a/drivers/tty/serial/liteuart.c +++ b/drivers/tty/serial/liteuart.c @@ -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) { |