On Tue, 2018-07-10 at 11:13 +0800, Jisheng Zhang wrote:
> Some drivers could call serial8250_do_set_divisor() to complete its
> own set_divisor routine. Export this symbol for code reusing.
>
I dunno Greg's preferences here, but it could be merged with patch 1.
In any case,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
for this part.
> Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
> ---
> drivers/tty/serial/8250/8250_port.c | 5 +++--
> include/linux/serial_8250.h | 3 +++
> 2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/8250/8250_port.c
> b/drivers/tty/serial/8250/8250_port.c
> index ce0dc17f18ee..945f8dc2d50f 100644
> --- a/drivers/tty/serial/8250/8250_port.c
> +++ b/drivers/tty/serial/8250/8250_port.c
> @@ -2580,8 +2580,8 @@ static unsigned char
> serial8250_compute_lcr(struct uart_8250_port *up,
> return cval;
> }
>
> -static void serial8250_do_set_divisor(struct uart_port *port,
> unsigned int baud,
> - unsigned int quot, unsigned int
> quot_frac)
> +void serial8250_do_set_divisor(struct uart_port *port, unsigned int
> baud,
> + unsigned int quot, unsigned int
> quot_frac)
> {
> struct uart_8250_port *up = up_to_u8250p(port);
>
> @@ -2612,6 +2612,7 @@ static void serial8250_do_set_divisor(struct
> uart_port *port, unsigned int baud,
> serial_port_out(port, 0x2, quot_frac);
> }
> }
> +EXPORT_SYMBOL_GPL(serial8250_do_set_divisor);
>
> static void serial8250_set_divisor(struct uart_port *port, unsigned
> int baud,
> unsigned int quot, unsigned int
> quot_frac)
> diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
> index 76b9db71e489..18e21427bce4 100644
> --- a/include/linux/serial_8250.h
> +++ b/include/linux/serial_8250.h
> @@ -160,6 +160,9 @@ extern void serial8250_do_shutdown(struct
> uart_port *port);
> extern void serial8250_do_pm(struct uart_port *port, unsigned int
> state,
> unsigned int oldstate);
> extern void serial8250_do_set_mctrl(struct uart_port *port, unsigned
> int mctrl);
> +extern void serial8250_do_set_divisor(struct uart_port *port,
> unsigned int baud,
> + unsigned int quot,
> + unsigned int quot_frac);
> extern int fsl8250_handle_irq(struct uart_port *port);
> int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
> unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned
> char lsr);
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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