#define splsoftclock() spl1() /* disallow softclock */
#define splsoftnet() spl1() /* disallow network */
#define splclock() spl1() /* disallow clock interrupt */
+#define spltty() spl1() /* disallow tty (softserial&adb) interrupts */
#define splbio() spl2() /* disallow block I/O */
#define splnet() spl2() /* disallow network */
-#define spltty() spl4() /* disallow tty interrupts (serial) */
-#define splimp() spl4() /* disallow imput */
+#define splimp() spl2() /* disallow imput */
#define splhigh() spl7() /* disallow everything */
#define splsched() spl7() /* disallow scheduling */