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From: Joseph Salisbury <joseph.salisbury@canonical.com>
To: udknight@gmail.com
Cc: Greg KH <gregkh@linuxfoundation.org>,
	jslaby@suse.cz, alan@linux.intel.com, matts@commtech-fastcom.com,
	wfp5p@virginia.edu, tklauser@distanz.ch,
	linux-serial@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: [v3.9] [v3.10] [Regression]  serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller
Date: Mon, 01 Jul 2013 12:14:45 -0400	[thread overview]
Message-ID: <51D1AAF5.5050004@canonical.com> (raw)

Hi Wang,

A bug was opened against the Ubuntu kernel[0].  After a kernel bisect,
it was found that reverting the following commit resolved this bug:

commit 8d2f8cd424ca0b99001f3ff4f5db87c4e525f366
Author: Wang YanQing <udknight@gmail.com>
Date:   Fri Mar 1 11:47:20 2013 +0800

    serial: 8250_pci: add support for another kind of NetMos Technology
PCI 9835 Multi-I/O Controller


The regression was introduced as of v3.9-rc3 and still exists in the
current Mainline tree.  It was also propagated to the stable trees.

The patch causes the device to use the serial module instead of
parport_serial.  Maybe the the quirk in ~drivers/pci/quirks.c
quirk_netmos() needs to be modified?

I see that you are the author of this patch, so I wanted to run this by
you.  I was thinking of requesting a revert, but I wanted to get your
feedback first.


Thanks,

Joe


             reply	other threads:[~2013-07-01 16:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-01 16:14 Joseph Salisbury [this message]
2013-07-01 16:27 ` Greg KH
2013-07-01 18:48   ` Joseph Salisbury
2013-07-02  4:46 ` Wang YanQing

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