From 05e8604ea79f7932e0b1db32243a47843bdd8a85 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Tue, 15 Aug 2017 14:26:44 +0200
Subject: [PATCH] axi_dmac: Remove unused pause signal from address generator

The pause signal is not used inside the address generator module. Remove
it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
 library/axi_dmac/address_generator.v |  1 -
 library/axi_dmac/dest_axi_mm.v       |  2 --
 library/axi_dmac/request_arb.v       | 16 ++++++----------
 library/axi_dmac/src_axi_mm.v        |  2 --
 4 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/library/axi_dmac/address_generator.v b/library/axi_dmac/address_generator.v
index c117f2aea..f5f2a0553 100644
--- a/library/axi_dmac/address_generator.v
+++ b/library/axi_dmac/address_generator.v
@@ -57,7 +57,6 @@ module dmac_address_generator #(
   input                        eot,
 
   input                        enable,
-  input                        pause,
   output reg                   enabled,
 
   input                           addr_ready,
diff --git a/library/axi_dmac/dest_axi_mm.v b/library/axi_dmac/dest_axi_mm.v
index 99e3e5427..bed45ecb5 100644
--- a/library/axi_dmac/dest_axi_mm.v
+++ b/library/axi_dmac/dest_axi_mm.v
@@ -52,7 +52,6 @@ module dmac_dest_mm_axi #(
 
   input                               enable,
   output                              enabled,
-  input                               pause,
   input                               sync_id,
   output                              sync_id_ret,
 
@@ -139,7 +138,6 @@ dmac_address_generator #(
 
   .enable(enable),
   .enabled(address_enabled),
-  .pause(pause),
 
   .id(address_id),
   .request_id(request_id),
diff --git a/library/axi_dmac/request_arb.v b/library/axi_dmac/request_arb.v
index 20798b787..5e8157e7d 100644
--- a/library/axi_dmac/request_arb.v
+++ b/library/axi_dmac/request_arb.v
@@ -192,12 +192,10 @@ wire sync_id_ret_src;
 
 wire dest_enable;
 wire dest_enabled;
-wire dest_pause;
 wire dest_sync_id;
 wire dest_sync_id_ret;
 wire src_enable;
 wire src_enabled;
-wire src_pause;
 wire src_sync_id;
 wire src_sync_id_ret;
 
@@ -411,7 +409,6 @@ dmac_dest_mm_axi #(
 
   .enable(dest_enable),
   .enabled(dest_enabled),
-  .pause(dest_pause),
 
   .req_valid(dest_req_valid),
   .req_ready(dest_req_ready),
@@ -623,7 +620,6 @@ dmac_src_mm_axi #(
   .m_axi_aclk(m_src_axi_aclk),
   .m_axi_aresetn(src_resetn),
 
-  .pause(src_pause),
   .enable(src_enable),
   .enabled(src_enabled),
   .sync_id(src_sync_id),
@@ -1082,13 +1078,13 @@ dmac_request_generator #(
 );
 
 sync_bits #(
-  .NUM_OF_BITS(3),
+  .NUM_OF_BITS(2),
   .ASYNC_CLK(ASYNC_CLK_DEST_REQ)
 ) i_sync_control_dest (
   .out_clk(dest_clk),
   .out_resetn(dest_resetn),
-  .in({do_enable, pause, sync_id}),
-  .out({dest_enable, dest_pause, dest_sync_id})
+  .in({do_enable, sync_id}),
+  .out({dest_enable, dest_sync_id})
 );
 
 sync_bits #(
@@ -1102,13 +1098,13 @@ sync_bits #(
 );
 
 sync_bits #(
-  .NUM_OF_BITS(3),
+  .NUM_OF_BITS(2),
   .ASYNC_CLK(ASYNC_CLK_REQ_SRC)
 ) i_sync_control_src (
   .out_clk(src_clk),
   .out_resetn(src_resetn),
-  .in({do_enable, pause, sync_id}),
-  .out({src_enable, src_pause, src_sync_id})
+  .in({do_enable, sync_id}),
+  .out({src_enable, src_sync_id})
 );
 
 sync_bits #(
diff --git a/library/axi_dmac/src_axi_mm.v b/library/axi_dmac/src_axi_mm.v
index acce78752..d869b38e7 100644
--- a/library/axi_dmac/src_axi_mm.v
+++ b/library/axi_dmac/src_axi_mm.v
@@ -52,7 +52,6 @@ module dmac_src_mm_axi #(
 
   input                           enable,
   output                          enabled,
-  input                           pause,
   input                           sync_id,
   output                          sync_id_ret,
 
@@ -131,7 +130,6 @@ dmac_address_generator #(
 
   .enable(enable),
   .enabled(address_enabled),
-  .pause(pause),
   .sync_id(sync_id),
 
   .request_id(request_id),