Remove race condition

alexforencich · alexforencich · commit 3da782ebc501 · 2019-05-12T22:51:09.000-07:00
diff --git a/rtl/i2c_master_wbs_16.v b/rtl/i2c_master_wbs_16.v
@@ -569,7 +569,7 @@ always @* begin
                     wbs_dat_o_next[15:9] = 7'd0;
 
                     if (wbs_sel_i[0]) begin
-                        data_out_ready_next = ~wbs_ack_o_reg;
+                        data_out_ready_next = !wbs_ack_o_reg && data_out_valid;
                     end
                 end
                 3'h6: begin
diff --git a/rtl/i2c_master_wbs_8.v b/rtl/i2c_master_wbs_8.v
@@ -554,7 +554,7 @@ always @* begin
                 4'h4: begin
                     // data
                     wbs_dat_o_next = data_out;
-                    data_out_ready_next = ~wbs_ack_o_reg;
+                    data_out_ready_next = !wbs_ack_o_reg && data_out_valid;
                 end
                 4'h5: begin
                     // reserved
