[USB] cdc-acm: Increase number of devices to 64

Orabug: 13693812
Increase usb acm devices to 64.

Signed-off-by: Joe Jin <joe.jin@oracle.com>

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index ca7937f26e27ee3dba53feeb00fab2f49d3099aa..3e09e74b576e725001c68c4ae96744366685663b 100644 (file)
--- 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         64
 
 /*
  * Requests.