linux-kernel - Re: [PATCH 1/2] serial: samsung: Move uart_register

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Message-ID: <20140120235209.GB5012@kroah.com>
Date:	Mon, 20 Jan 2014 15:52:09 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Mark Brown <broonie@...nel.org>,
	Tushar Behera <tushar.behera@...aro.org>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-serial <linux-serial@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	jslaby <jslaby@...e.cz>, Ben Dooks <ben.dooks@...ethink.co.uk>
Subject: Re: [PATCH 1/2] serial: samsung: Move uart_register_driver call to
 device probe

On Mon, Jan 20, 2014 at 11:35:41PM +0000, Alan Cox wrote:
> > The first bit is easy... but we need to add locks to every serial
> > driver to prevent two probes operating concurrently...
> 
> The bus probe should already be serializing surely ?

Yes, it better be, otherwise that bus is badly broken.

greg k-h
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