From b3e920b3c8cd4c9eb4ff134b3019e1bc205193bc Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Fri, 3 Nov 2017 12:16:16 +0100
Subject: [PATCH] firmware/libboard/serwb: fix init

---
 artiq/firmware/libboard/serwb.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/firmware/libboard/serwb.rs b/artiq/firmware/libboard/serwb.rs
index ce7fbf2cf..46b499f36 100644
--- a/artiq/firmware/libboard/serwb.rs
+++ b/artiq/firmware/libboard/serwb.rs
@@ -3,7 +3,7 @@ use csr;
 pub fn wait_init() {
     info!("waiting for AMC/RTM serwb bridge to be ready...");
     unsafe {
-        while csr::serwb_phy::control_ready_read() != 0 {}
+        while csr::serwb_phy::control_ready_read() == 0 {}
     }
     info!("done.");