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-rw-r--r--arch/powerpc/kernel/eeh.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index db35c2722201..633f6bf965c3 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1382,6 +1382,13 @@ int eeh_pe_reset(struct eeh_pe *pe, int option)
break;
case EEH_RESET_HOT:
case EEH_RESET_FUNDAMENTAL:
+ /*
+ * Proactively freeze the PE to drop all MMIO access
+ * during reset, which should be banned as it's always
+ * cause recursive EEH error.
+ */
+ eeh_ops->set_option(pe, EEH_OPT_FREEZE_PE);
+
ret = eeh_ops->reset(pe, option);
break;
default: