diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
index 3ec05aa1a903..2ff5c8c04e3b 100644
--- a/drivers/acpi/acpi_dbg.c
+++ b/drivers/acpi/acpi_dbg.c
@@ -718,9 +718,9 @@ again:
 	return size > 0 ? size : ret;
 }
 
-static unsigned int acpi_aml_poll(struct file *file, poll_table *wait)
+static __poll_t acpi_aml_poll(struct file *file, poll_table *wait)
 {
-	int masks = 0;
+	__poll_t masks = 0;
 
 	poll_wait(file, &acpi_aml_io.wait, wait);
 	if (acpi_aml_user_readable())