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Diffstat (limited to 'drivers/ddr/altera/sequencer.c')
-rw-r--r--drivers/ddr/altera/sequencer.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c
index 986f0889f2..9cf2a1ad68 100644
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -3024,7 +3024,7 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group,
if (ret) {
set_failing_group_stage(test_bgn + ret - 1, CAL_STAGE_WRITES,
CAL_SUBSTAGE_WRITES_CENTER);
- return 0;
+ return -EINVAL;
}
min_index = get_window_mid_index(1, left_edge, right_edge, &mid_min);
@@ -3121,7 +3121,10 @@ rw_mgr_mem_calibrate_writes_center(const u32 rank_bgn, const u32 write_group,
*/
writel(0, &sdr_scc_mgr->update);
- return (dq_margin >= 0) && (dqs_margin >= 0) && (dm_margin >= 0);
+ if ((dq_margin < 0) || (dqs_margin < 0) || (dm_margin < 0))
+ return -EINVAL;
+
+ return 0;
}
/**
@@ -3148,13 +3151,11 @@ static int rw_mgr_mem_calibrate_writes(const u32 rank_bgn, const u32 group,
reg_file_set_sub_stage(CAL_SUBSTAGE_WRITES_CENTER);
ret = rw_mgr_mem_calibrate_writes_center(rank_bgn, group, test_bgn);
- if (!ret) {
+ if (ret)
set_failing_group_stage(group, CAL_STAGE_WRITES,
CAL_SUBSTAGE_WRITES_CENTER);
- return -EIO;
- }
- return 0;
+ return ret;
}
/**
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