--- /dev/null
+--- 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));
+ }
+