linux-kernel - [PATCH 4.9 082/206] USB: serial: io_ti: bind to interface after fw download

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Date:   Tue, 10 Jan 2017 14:36:05 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Johan Hovold <johan@...nel.org>
Subject: [PATCH 4.9 082/206] USB: serial: io_ti: bind to interface after fw download

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

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

From: Johan Hovold <johan@...nel.org>

commit e35d6d7c4e6532a89732cf4bace0e910ee684c88 upstream.

Bind to the interface, but do not register any ports, after having
downloaded the firmware. The device will still disconnect and
re-enumerate, but this way we avoid an error messages from being logged
as part of the process:

io_ti: probe of 1-1.3:1.0 failed with error -5

Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/serial/io_ti.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1499,8 +1499,7 @@ static int do_boot_mode(struct edgeport_
 
 		dev_dbg(dev, "%s - Download successful -- Device rebooting...\n", __func__);
 
-		/* return an error on purpose */
-		return -ENODEV;
+		return 1;
 	}
 
 stayinbootmode: