1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index bd4f6380fabe..26acc657e5c9 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -45,6 +45,7 @@
 #include <linux/ioport.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
+#include <linux/acpi.h>
 #include <asm/io.h>
 
 /* AMD756 SMBus address offsets */
@@ -368,6 +369,11 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
                 amd756_ioport += SMB_ADDR_OFFSET;
         }
 
+        error = acpi_check_region(amd756_ioport, SMB_IOSIZE,
+                                  amd756_driver.name);
+        if (error)
+                return error;
+
         if (!request_region(amd756_ioport, SMB_IOSIZE, amd756_driver.name)) {
                 dev_err(&pdev->dev, "SMB region 0x%x already in use!\n",
                         amd756_ioport);