From b39fea4ecbbaee7f659cb73a0c342628142dca6c Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 7 Sep 2020 18:53:31 +0200
Subject: [PATCH] software/liblitedram/write_level_scan: reset write delay even
 if not succeeding.

---
 litex/soc/software/liblitedram/sdram.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/litex/soc/software/liblitedram/sdram.c b/litex/soc/software/liblitedram/sdram.c
index 8fd02be44..206187f13 100644
--- a/litex/soc/software/liblitedram/sdram.c
+++ b/litex/soc/software/liblitedram/sdram.c
@@ -333,12 +333,15 @@ static int write_level_scan(int *delays, int loops, int show)
 				}
 			}
 		}
+
+		/* rst delay */
+		write_delay_rst(i);
+
 		/* succeed only if the start of a 1s window has been found */
 		if (one_window_best_count > 0 && one_window_best_start > 0) {
 			delays[i] = one_window_best_start;
 
 			/* configure write delay */
-			write_delay_rst(i);
 			for(j=0; j<delays[i]; j++)
 				write_delay_inc(i);
 		}