linux-kernel - Re: [PATCH 2/2] serial: bfin-sport-uart: Request CTS GPIO PIN when the sport emulated serial device starts up.

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Message-ID: <20111206113620.4f3fe5ae@lxorguk.ukuu.org.uk>
Date:	Tue, 6 Dec 2011 11:36:20 +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 2/2] serial: bfin-sport-uart: Request CTS GPIO PIN when
 the sport emulated serial device starts up.

On Tue, 6 Dec 2011 15:16:34 +0800
Sonic Zhang <sonic.adi@...il.com> wrote:

> From: Sonic Zhang <sonic.zhang@...log.com>
> 
> This patch is similar to that for bfin-uart hardware flow control.
> Sport emulated serial device may be probed earlier before GPIOLIB is initialized.
> Requesting and configuring CTS GPIO PIN fails in that early stage.
> 
> Signed-off-by: Sonic Zhang <sonic.zhang@...log.com>

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