From 8c56a95fa2301cb17acb438b256f8217cd6780d1 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Tue, 20 Jun 2017 00:49:38 +0800
Subject: [PATCH] spi: add default busno

---
 artiq/coredevice/spi.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/spi.py b/artiq/coredevice/spi.py
index a356f29b6..c5422f11c 100644
--- a/artiq/coredevice/spi.py
+++ b/artiq/coredevice/spi.py
@@ -306,7 +306,7 @@ class NRTSPIMaster:
 
     See :class:`SPIMaster` for a description of the methods.
     """
-    def __init__(self, dmgr, busno, core_device="core"):
+    def __init__(self, dmgr, busno=0, core_device="core"):
         self.core = dmgr.get(core_device)
         self.busno = busno