Add's "avrispmkii" to the list of ISP's that don't have a port,

defaults to reading communication_type from avrdude.conf, which
is "usb" usually, rather than setting the -P flag which is the
user override.

1 files changed, 1 insertions, 1 deletions

diff --git a/Arduino.mk b/Arduino.mk
index fb5db4f..40f4a01 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1310,7 +1310,7 @@ endif
 AVRDUDE_ISP_OPTS = -c $(ISP_PROG) -b $(AVRDUDE_ISP_BAUDRATE)
 
 ifndef $(ISP_PORT)
-    ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio))
+    ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio avrispmkii))
         AVRDUDE_ISP_OPTS += -P $(call get_isp_port)
     endif
 else