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-rw-r--r--drivers/acpi/motherboard.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
index 2934475d67d6..61ea70742d49 100644
--- a/drivers/acpi/motherboard.c
+++ b/drivers/acpi/motherboard.c
@@ -43,7 +43,7 @@ ACPI_MODULE_NAME ("acpi_motherboard")
*/
#define IS_RESERVED_ADDR(base, len) \
(((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \
- && ((base) + (len) > 0x1000))
+ && ((base) + (len) > PCIBIOS_MIN_IO))
/*
* Clearing the flag (IORESOURCE_BUSY) allows drivers to use