linux-kernel - Re: [PATCH 2/2] serial: bfin-uart: Remove ASYNC_CTS

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Date:	Mon, 12 Dec 2011 13:20:29 +0800
From:	Sonic Zhang <sonic.adi@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
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 2/2] serial: bfin-uart: Remove ASYNC_CTS_FLOW flag for
 hardware automatic CTS.

Hi Alan,


On Fri, Dec 9, 2011 at 7:12 PM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>> +#ifdef CONFIG_SERIAL_BFIN_CTSRTS
>>                       uart->port.flags |= ASYNC_CTS_FLOW;
>> +#endif
>
> As an aside could the cts/hard cts etc be passed as properties to the
> platform device rather than ifdeffed ?
>
> Alan

As Mike mentioned, these Macros are used to keep the code smaller when
user doesn't want to enable UART flow control feature.

I will sent out V2 against the latest kernel next tree.


Sonic
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