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

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Message-ID: <CAL_JsqJiKfT5nu6vatU4U3kv7dfs5vx8QEW6mS0=Qj4iX4CE8w@mail.gmail.com>
Date:	Tue, 12 Jan 2016 17:49:32 -0600
From:	Rob Herring <robh+dt@...nel.org>
To:	Peter Hurley <peter@...leysoftware.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Grant Likely <grant.likely@...aro.org>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Kevin Cernekee <cernekee@...il.com>,
	Jon Hunter <jonathanh@...dia.com>,
	Sebastian Frias <sf84@...oste.net>,
	Paul Burton <paul.burton@...tec.com>
Subject: Re: [PATCH v4 05/11] of: earlycon: Initialize port fields from DT properties

On Tue, Jan 12, 2016 at 1:41 PM, Peter Hurley <peter@...leysoftware.com> 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@...leysoftware.com>
> ---

> 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