Re: [PATCH 1/2] tty/serial: atmel: remove unused variable atmel_default_console_device

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Hi Uwe,

Actually, a similar patch has already been sent by Alexandre (but not
yet taken by Greg) :

https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1420770.html


2017-06-21 11:30 GMT+02:00 Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>:
> Since commit
>
>         26202873bb51 ("avr32: remove support for AVR32 architecture")
>
> the last user of this variable is gone. As a side effect this removes a
> usage of pdata->num without checking pdata for being non-NULL.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> ---
>  drivers/tty/serial/atmel_serial.c | 43 ---------------------------------------
>  1 file changed, 43 deletions(-)
>
> diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
> index c355ac9abafc..906e2b91bf57 100644
> --- a/drivers/tty/serial/atmel_serial.c
> +++ b/drivers/tty/serial/atmel_serial.c
> @@ -2460,8 +2460,6 @@ static int atmel_init_port(struct atmel_uart_port *atmel_port,
>         return 0;
>  }
>
> -struct platform_device *atmel_default_console_device;  /* the serial console device */
> -
>  #ifdef CONFIG_SERIAL_ATMEL_CONSOLE
>  static void atmel_console_putchar(struct uart_port *port, int ch)
>  {
> @@ -2594,47 +2592,6 @@ static struct console atmel_console = {
>
>  #define ATMEL_CONSOLE_DEVICE   (&atmel_console)
>
> -/*
> - * Early console initialization (before VM subsystem initialized).
> - */
> -static int __init atmel_console_init(void)
> -{
> -       int ret;
> -       if (atmel_default_console_device) {
> -               struct atmel_uart_data *pdata =
> -                       dev_get_platdata(&atmel_default_console_device->dev);
> -               int id = pdata->num;
> -               struct atmel_uart_port *atmel_port = &atmel_ports[id];
> -
> -               atmel_port->backup_imr = 0;
> -               atmel_port->uart.line = id;
> -
> -               add_preferred_console(ATMEL_DEVICENAME, id, NULL);
> -               ret = atmel_init_port(atmel_port, atmel_default_console_device);
> -               if (ret)
> -                       return ret;
> -               register_console(&atmel_console);
> -       }
> -
> -       return 0;
> -}
> -
> -console_initcall(atmel_console_init);
> -
> -/*
> - * Late console initialization.
> - */
> -static int __init atmel_late_console_init(void)
> -{
> -       if (atmel_default_console_device
> -           && !(atmel_console.flags & CON_ENABLED))
> -               register_console(&atmel_console);
> -
> -       return 0;
> -}
> -
> -core_initcall(atmel_late_console_init);
> -
>  static inline bool atmel_is_console_port(struct uart_port *port)
>  {
>         return port->cons && port->cons->index == port->line;
> --
> 2.11.0
>
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