According to ACPI spec 5, section 6.4.3.1 "24-Bit Memory Range Descriptor",
minimum, maximum and address_length field in struct acpi_resource_memory24
is in granularity of 256-bytes. So shift 8-bit left to get correct address.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
drivers/acpi/resource.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 7ce00a63f695..5544c6d26f32 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -90,8 +90,8 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
switch (ares->type) {
case ACPI_RESOURCE_TYPE_MEMORY24:
memory24 = &ares->data.memory24;
- acpi_dev_get_memresource(res, memory24->minimum,
- memory24->address_length,
+ acpi_dev_get_memresource(res, memory24->minimum << 8,
+ memory24->address_length << 8,
memory24->write_protect);
break;
case ACPI_RESOURCE_TYPE_MEMORY32:
--
1.7.10.4
--
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