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-rw-r--r--drivers/acpi/apei/apei-base.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 00a783661d0b..46f80e2c92f7 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -590,6 +590,9 @@ static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr,
if (bit_width == 32 && bit_offset == 0 && (*paddr & 0x03) == 0 &&
*access_bit_width < 32)
*access_bit_width = 32;
+ else if (bit_width == 64 && bit_offset == 0 && (*paddr & 0x07) == 0 &&
+ *access_bit_width < 64)
+ *access_bit_width = 64;
if ((bit_width + bit_offset) > *access_bit_width) {
pr_warning(FW_BUG APEI_PFX