From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Grant Edwards <grant.b.edwards@gmail.com>
Cc: linux-serial@vger.kernel.org
Subject: Re: Are calls to activate/shutdown a port serialized?
Date: Fri, 18 Jan 2013 19:26:01 +0000 [thread overview]
Message-ID: <20130118192601.26daa89a@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <kdc2rv$m4g$1@ger.gmane.org>
On Fri, 18 Jan 2013 18:04:47 +0000 (UTC)
Grant Edwards <grant.b.edwards@gmail.com> wrote:
> I ported an old tty driver to the new tty_port_ helper functions. And
> I'm trying to track down a couple of bugs in the new version of the
> driver.
>
> Are calls to the port's activate/shutdown methods serialized (either
> globally or per-port)?
The activate and shutdown methods are serialized by the per port mutex.
Alan
prev parent reply other threads:[~2013-01-18 19:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-18 18:04 Are calls to activate/shutdown a port serialized? Grant Edwards
2013-01-18 19:26 ` Alan Cox [this message]
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