linux-kernel - Re: [PATCH] serial: bfin-sport-uart: Add tty ASYNC_CTS

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Date:	Tue, 6 Dec 2011 11:37:41 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sonic Zhang <sonic.adi@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	<linux-serial@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	<uclinux-dist-devel@...ckfin.uclinux.org>,
	Sonic Zhang <sonic.zhang@...log.com>
Subject: Re: [PATCH] serial: bfin-sport-uart: Add tty ASYNC_CTS_FLOW flag to
 do CTS flow control.

On Tue, 6 Dec 2011 16:22:34 +0800
Sonic Zhang <sonic.adi@...il.com> wrote:

> From: Sonic Zhang <sonic.zhang@...log.com>
> 
> Signed-off-by: Sonic Zhang <sonic.zhang@...log.com>
> ---
>  drivers/tty/serial/bfin_sport_uart.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/tty/serial/bfin_sport_uart.c b/drivers/tty/serial/bfin_sport_uart.c
> index f650526..7fbc3a0 100644
> --- a/drivers/tty/serial/bfin_sport_uart.c
> +++ b/drivers/tty/serial/bfin_sport_uart.c
> @@ -810,8 +810,10 @@ static int __devinit sport_uart_probe(struct platform_device *pdev)
>  		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
>  		if (res == NULL)
>  			sport->cts_pin = -1;
> -		else
> +		else {
>  			sport->cts_pin = res->start;
> +			sport->port.flags |= ASYNC_CTS_FLOW;
> +		}
>  
>  		res = platform_get_resource(pdev, IORESOURCE_IO, 1);
>  		if (res == NULLA

Acked-by: Alan Cox <alan@...ux.intel.com>
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