From e584c07be923872f46d48590ab3974911ea65641 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Thu, 7 Nov 2019 14:21:39 +0100
Subject: [PATCH] lfps/LTPSUnit: add tx_idle control

---
 usb3_pipe/lfps.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/usb3_pipe/lfps.py b/usb3_pipe/lfps.py
index 3f69e1d..74cc430 100644
--- a/usb3_pipe/lfps.py
+++ b/usb3_pipe/lfps.py
@@ -209,6 +209,7 @@ class LFPSGenerator(Module):
 class LFPSUnit(Module):
     def __init__(self, sys_clk_freq, serdes):
         self.rx_polling = Signal()   # o
+        self.tx_idle    = Signal()   # i
         self.tx_polling = Signal()   # i
         self.tx_count   = Signal(16) # o
 
@@ -229,7 +230,7 @@ class LFPSUnit(Module):
                 serdes.tx_idle.eq(generator.tx_idle),
                 serdes.tx_pattern.eq(generator.tx_pattern)
             ).Else(
-                 serdes.tx_idle.eq(0)
+                 serdes.tx_idle.eq(self.tx_idle)
             ),
             self.tx_count.eq(generator.count)
         ]