1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c
index b9a57fa4b710..565a9478cb94 100644
--- a/drivers/char/tpm/tpm_acpi.c
+++ b/drivers/char/tpm/tpm_acpi.c
@@ -95,7 +95,7 @@ int read_log(struct tpm_bios_log *log)
 
         log->bios_event_log_end = log->bios_event_log + len;
 
-        virt = acpi_os_map_memory(start, len);
+        virt = acpi_os_map_iomem(start, len);
         if (!virt) {
                 kfree(log->bios_event_log);
                 printk("%s: ERROR - Unable to map memory\n", __func__);
@@ -104,6 +104,6 @@ int read_log(struct tpm_bios_log *log)
 
         memcpy_fromio(log->bios_event_log, virt, len);
 
-        acpi_os_unmap_memory(virt, len);
+        acpi_os_unmap_iomem(virt, len);
         return 0;
 }