Re: [PATCH] serial: samsung: Remove hard-coded major/minor numbers

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On Fri, Dec 27, 2013 at 10:37:28AM +0530, Tushar Behera wrote:
> The hard-coded values clash with the values set for amba-pl011 serial
> driver. Because of this there is no serial output on Samsung boards
> if amba-pl011 is enabled alongwith samsung-serial driver.
> 
> Remove the hardcoded values and let the framework decide on
> appropriate major/minor number. This is required for multi-platform
> development work on Exynos platform.
> 
> Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
> ---
>  drivers/tty/serial/samsung.c |    4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
> index c1af04d..9c20543 100644
> --- a/drivers/tty/serial/samsung.c
> +++ b/drivers/tty/serial/samsung.c
> @@ -56,8 +56,6 @@
>  /* UART name and device definitions */
>  
>  #define S3C24XX_SERIAL_NAME	"ttySAC"
> -#define S3C24XX_SERIAL_MAJOR	204
> -#define S3C24XX_SERIAL_MINOR	64
>  
>  /* macros to change one thing to another */
>  
> @@ -951,8 +949,6 @@ static struct uart_driver s3c24xx_uart_drv = {
>  	.nr		= CONFIG_SERIAL_SAMSUNG_UARTS,
>  	.cons		= S3C24XX_SERIAL_CONSOLE,
>  	.dev_name	= S3C24XX_SERIAL_NAME,
> -	.major		= S3C24XX_SERIAL_MAJOR,
> -	.minor		= S3C24XX_SERIAL_MINOR,

Doesn't this break existing systems and configurations that are
expecting 204:64 as the location of this serial port?

Why change this one and not the amba-pl011 driver?

greg k-h
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