Re: [PATCH v4 05/11] of: earlycon: Initialize port fields from DT properties

From: Rob Herring
Date: Tue Jan 12 2016 - 18:49:58 EST


On Tue, Jan 12, 2016 at 1:41 PM, Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> wrote:
> Read the optional "reg-offset", "reg-shift", "reg-io-width" and endianness
> properties and initialize the respective struct uart_port field if found.
>
> NB: These bindings are common to several drivers and the values merely
> indicate the default value; the registering earlycon setup() method can
> simply override the values if required.
>
> Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
> ---

> diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
> index 7509ee34d..03eac4a 100644
> --- a/drivers/tty/serial/earlycon.c
> +++ b/drivers/tty/serial/earlycon.c
> @@ -20,6 +20,10 @@
> #include <linux/serial_core.h>
> #include <linux/sizes.h>
>
> +#ifdef CONFIG_OF_EARLY_FLATTREE
> +#include <linux/of_fdt.h>
> +#endif

I think you don't need the ifdef around this.

> +
> #ifdef CONFIG_FIX_EARLYCON_MEM
> #include <asm/fixmap.h>
> #endif