From: Johan Hovold <johan@kernel.org>
Date: Mon, 18 May 2015 15:34:12 +0000 (+0200)
Subject: USB: cdc-acm: add support for up to 256 devices
X-Git-Tag: v4.2-rc1~86^2~33
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=65c35dd59002798cc87212d23ff3c87fd3a5d721;p=karo-tx-linux.git

USB: cdc-acm: add support for up to 256 devices

Increase the minor range to enable support for up to 256 devices.

Some people are hitting the current 32 device limit. Hopefully 256
minors will be enough for while still.

Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index ffeb3c83941f..a9e68ce25425 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -19,7 +19,7 @@
  */
 
 #define ACM_TTY_MAJOR		166
-#define ACM_TTY_MINORS		32
+#define ACM_TTY_MINORS		256
 
 /*
  * Requests.