1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index ec7fc227b33f..5d1273b660ae 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -299,7 +299,7 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
         ACPI_FUNCTION_ENTRY();
 
         if (register_id > ACPI_BITREG_MAX) {
-                ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
+                ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: 0x%X",
                             register_id));
                 return (NULL);
         }
@@ -413,7 +413,7 @@ acpi_hw_register_read(u32 register_id, u32 * return_value)
                 break;
 
         default:
-                ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
+                ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
                 status = AE_BAD_PARAMETER;
                 break;
         }
@@ -549,7 +549,7 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
                 break;
 
         default:
-                ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
+                ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
                 status = AE_BAD_PARAMETER;
                 break;
         }