[U-Boot] [PATCH v4 2/6] serial: add UniPhier serial driver

[Marek Vasut]

On Friday, September 05, 2014 at 07:50:19 AM, Masahiro Yamada wrote:
> The driver for on-chip UART used on Panasonic UniPhier platform.
> 
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>

[...]

Hi!

> +static void uniphier_serial_putc(struct uniphier_serial *port, const char
> c) +{
> +	if (c == '\n')
> +		uniphier_serial_putc(port, '\r');

Just curious, but what is the concensus about inserting \r upon \n ? Shouldn't 
this be something that the "upper layers" do consistently ? I recall seeing this 
in some drivers and not seeing this in the others, so I wonder why this is like 
so ...

> +	while (!(readb(&port->lsr) & UART_LSR_THRE))
> +		;
> +
> +	writeb(c, &port->thr);
> +}
[...]
Best regards,
Marek Vasut