--- a/driver/linux_osl.c
+++ b/driver/linux_osl.c
@@ -723,6 +723,9 @@ osl_readl(volatile uint32 *r)
 uint16
 osl_readw(volatile uint16 *r)
 {
+	uint32 addr = (uintptr)r & 0xffff3fff;
+	if (addr == 0xa8000688)	/* ifs_ctl */
+		readl(r);
 	return (readw(r));
 }
 
