linux-kernel - [PATCH 3.16.y-ckt 119/144] USB: ftdi_sio: Use jtag quirk for SNAP Connect E10

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Message-Id: <1429630329-21748-120-git-send-email-luis.henriques@canonical.com>
Date:	Tue, 21 Apr 2015 16:31:44 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Doug Goldstein <cardoe@...doe.com>,
	Johan Hovold <johan@...nel.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 119/144] USB: ftdi_sio: Use jtag quirk for SNAP Connect E10

3.16.7-ckt10 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Doug Goldstein <cardoe@...doe.com>

commit b229a0f840f774d29d8fedbf5deb344ca36b7f1a upstream.

This patch uses the existing CALAO Systems ftdi_8u2232c_probe in order
to avoid attaching a TTY to the JTAG port as this board is based on the
CALAO Systems reference design and needs the same fix up.

Signed-off-by: Doug Goldstein <cardoe@...doe.com>
[johan: clean up probe logic ]
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/usb/serial/ftdi_sio.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c738b5fca8db..2d858f81ab33 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1902,8 +1902,12 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)
 {
 	struct usb_device *udev = serial->dev;
 
-	if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) ||
-	    (udev->product && !strcmp(udev->product, "BeagleBone/XDS100V2")))
+	if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
+		return ftdi_jtag_probe(serial);
+
+	if (udev->product &&
+		(!strcmp(udev->product, "BeagleBone/XDS100V2") ||
+		 !strcmp(udev->product, "SNAP Connect E10")))
 		return ftdi_jtag_probe(serial);
 
 	return 0;
--
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