From: Johan Hovold <johan@kernel.org>
Date: Thu, 2 Mar 2017 11:51:17 +0000 (+0100)
Subject: USB: serial: allow up to 16 ports per device
X-Git-Tag: v4.12-rc1~97^2~9^2~52
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ff0c5703a4b11fca86886e5b7ce40c396bef8381;p=karo-tx-linux.git

USB: serial: allow up to 16 ports per device

Raise the arbitrary limit of how many ports a single device can claim
from eight to 16.

This specifically enables the upper eight ports of some mxuport devices.

Signed-off-by: Johan Hovold <johan@kernel.org>
---

diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 85b475933848..ee4394d8932f 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -20,7 +20,7 @@
 #include <linux/kfifo.h>
 
 /* The maximum number of ports one device can grab at once */
-#define MAX_NUM_PORTS		8
+#define MAX_NUM_PORTS		16
 
 /* parity check flag */
 #define RELEVANT_IFLAG(iflag)	(iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))