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Date: Thu, 27 Feb 2014 09:22:23 +0000
From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Feng Tang <feng.79.tang@gmail.com>
Cc: Peter Hurley <peter@hurleysoftware.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.cz>, linux-serial@vger.kernel.org,
	Beat Bolli <bbolli@ewanet.ch>, Pavel Roskin <proski@gnu.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jiri Kosina <jkosina@suse.cz>, David Sterba <dsterba@suse.cz>,
	Felipe Balbi <balbi@ti.com>,
	Grant Edwards <grant.b.edwards@gmail.com>,
	Stanislaw Gruszka <sgruszka@redhat.com>,
	Hal Murray <murray+fedora@ip-64-139-1-69.sjc.megapath.net>,
	stable@vger.kernel.org,
	linux-bluetooth <linux-bluetooth@vger.kernel.org>,
	feng.tang@intel.com, bin.yang@intel.com, alek.du@intel.com
Subject: Re: [PATCH] tty: Fix low_latency BUG
Message-ID: <20140227092223.5b035f7f@alan.etchedpixels.co.uk>
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> > I'm glad to hear that the Bluetooth uart interface is getting
> > some use; that means someone will soon be fixing the hard lockup
> > in hci_uart_tx_wakeup() reported here:
> 
> I'm not very familiar with the BT devices on our platforms, but most
> of them are not using the in-kernel BT driver, some just use the
> n_tty ldisc and the raw data, some use their own ldisc driver.

Outside of the world of phones/android the Bluetooth on quite a few of the
Baytrail/T devices is on the LPSS serial so it probably will be getting
tested sooner not later and there will actually be a common platform
around that is using the bluetooth uart features.

I'm not anticipating any problems though.

Alan