diff --git a/library/common/ad_gt_channel_1.v b/library/common/ad_gt_channel_1.v
index 28a27287b..24b3ca7dd 100644
--- a/library/common/ad_gt_channel_1.v
+++ b/library/common/ad_gt_channel_1.v
@@ -1,9 +1,9 @@
 // ***************************************************************************
 // ***************************************************************************
 // Copyright 2011(c) Analog Devices, Inc.
-// 
+//
 // All rights reserved.
-// 
+//
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 //     - Redistributions of source code must retain the above copyright
@@ -21,16 +21,16 @@
 //       patent holders to use this software.
 //     - Use of the software either in source or binary form, must be run
 //       on or directly connected to an Analog Devices Inc. component.
-//    
+//
 // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
 // PARTICULAR PURPOSE ARE DISCLAIMED.
 //
 // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
-// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
+// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // ***************************************************************************
 // ***************************************************************************
@@ -508,7 +508,7 @@ module ad_gt_channel_1 (
     .up_rdata (up_rdata),
     .up_rack (up_rack));
 
-endmodule     
+endmodule
 
 // ***************************************************************************
 // ***************************************************************************
diff --git a/library/common/ad_gt_common_1.v b/library/common/ad_gt_common_1.v
index a4444b20f..1e423ab5d 100644
--- a/library/common/ad_gt_common_1.v
+++ b/library/common/ad_gt_common_1.v
@@ -1,9 +1,9 @@
 // ***************************************************************************
 // ***************************************************************************
 // Copyright 2011(c) Analog Devices, Inc.
-// 
+//
 // All rights reserved.
-// 
+//
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 //     - Redistributions of source code must retain the above copyright
@@ -21,16 +21,16 @@
 //       patent holders to use this software.
 //     - Use of the software either in source or binary form, must be run
 //       on or directly connected to an Analog Devices Inc. component.
-//    
+//
 // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
 // PARTICULAR PURPOSE ARE DISCLAIMED.
 //
 // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
-// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
+// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // ***************************************************************************
 // ***************************************************************************
diff --git a/library/common/up_gt.v b/library/common/up_gt.v
index 43ee7dcb5..88f8a52ab 100644
--- a/library/common/up_gt.v
+++ b/library/common/up_gt.v
@@ -1,9 +1,9 @@
 // ***************************************************************************
 // ***************************************************************************
 // Copyright 2011(c) Analog Devices, Inc.
-// 
+//
 // All rights reserved.
-// 
+//
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 //     - Redistributions of source code must retain the above copyright
@@ -21,16 +21,16 @@
 //       patent holders to use this software.
 //     - Use of the software either in source or binary form, must be run
 //       on or directly connected to an Analog Devices Inc. component.
-//    
+//
 // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
 // PARTICULAR PURPOSE ARE DISCLAIMED.
 //
 // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
-// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
+// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // ***************************************************************************
 // ***************************************************************************
diff --git a/library/common/up_gt_channel.v b/library/common/up_gt_channel.v
index c8ca5f809..b7ed601e9 100644
--- a/library/common/up_gt_channel.v
+++ b/library/common/up_gt_channel.v
@@ -1,9 +1,9 @@
 // ***************************************************************************
 // ***************************************************************************
 // Copyright 2011(c) Analog Devices, Inc.
-// 
+//
 // All rights reserved.
-// 
+//
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 //     - Redistributions of source code must retain the above copyright
@@ -21,16 +21,16 @@
 //       patent holders to use this software.
 //     - Use of the software either in source or binary form, must be run
 //       on or directly connected to an Analog Devices Inc. component.
-//    
+//
 // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
 // PARTICULAR PURPOSE ARE DISCLAIMED.
 //
 // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
-// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
+// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // ***************************************************************************
 // ***************************************************************************
@@ -662,7 +662,7 @@ module up_gt_channel (
   ad_rst i_tx_rst_reg     (.preset(up_tx_preset),    .clk(tx_clk), .rst(tx_rst));
 
   // reset done & pll locked
-  
+
   always @(negedge up_rstn or posedge up_clk) begin
     if (up_rstn == 0) begin
       up_rx_rst_done_m1 <= 'd0;