[PATCH 05/20] EDAC/synopsys: Fix reading errors count before ECC status
From: Serge Semin <hidden>
Date: 2022-08-22 19:08:14
Also in:
linux-devicetree, linux-edac, lkml
Subsystem:
arm/zynq architecture, edac-core, the rest · Maintainers:
Michal Simek, Borislav Petkov, Tony Luck, Linus Torvalds
Aside with fixing the errors count CSR usage the commit e2932d1f6f05
("EDAC/synopsys: Read the error count from the correct register") all of
the sudden has also changed the order of the errors status check
procedure. So now the errors handler method first reads the number of CE
and UE and only then makes sure that any of these errors have actually
happened. It doesn't make much sense. Let's fix that by getting back the
procedures order: first check the ECC status, then read the number of
errors.
Fixes: e2932d1f6f05 ("EDAC/synopsys: Read the error count from the correct register")
Signed-off-by: Serge Semin <redacted>
---
drivers/edac/synopsys_edac.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index 873dbc684fe6..14653b799901 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c@@ -422,18 +422,18 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv) base = priv->baseaddr; p = &priv->stat; - regval = readl(base + ECC_ERRCNT_OFST); - p->ce_cnt = regval & ECC_ERRCNT_CECNT_MASK; - p->ue_cnt = (regval & ECC_ERRCNT_UECNT_MASK) >> ECC_ERRCNT_UECNT_SHIFT; - if (!p->ce_cnt) - goto ue_err; - regval = readl(base + ECC_STAT_OFST); if (!regval) return 1; p->ceinfo.bitpos = (regval & ECC_STAT_BITNUM_MASK); + regval = readl(base + ECC_ERRCNT_OFST); + p->ce_cnt = regval & ECC_ERRCNT_CECNT_MASK; + p->ue_cnt = (regval & ECC_ERRCNT_UECNT_MASK) >> ECC_ERRCNT_UECNT_SHIFT; + if (!p->ce_cnt) + goto ue_err; + regval = readl(base + ECC_CEADDR0_OFST); p->ceinfo.row = (regval & ECC_CEADDR0_RW_MASK); regval = readl(base + ECC_CEADDR1_OFST);
--
2.35.1
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