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

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Message-ID: <20111205113238.2e059f03@lxorguk.ukuu.org.uk>
Date:	Mon, 5 Dec 2011 11:32:38 +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-uart: Request CTS GPIO PIN when the serial
 device starts up.

On Mon, 5 Dec 2011 15:12:50 +0800
Sonic Zhang <sonic.adi@...il.com> wrote:

> From: Sonic Zhang <sonic.zhang@...log.com>
> 
> Serial device may be probed earlier before GPIOLIB is initialized. Requesting and
> configuring CTS GPIO PIN fails in that early stage. Do it when the serial device
> really starts up.
> 
> Signed-off-by: Sonic Zhang <sonic.zhang@...log.com>

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