Hi, the patch "serial-03-fixups.patch" introduced following compile error: CC [M] drivers/char/riscom8.o drivers/char/riscom8.c: In function `rc_tiocmget': drivers/char/riscom8.c:1323: error: `result' undeclared (first use in this function) drivers/char/riscom8.c:1323: error: (Each undeclared identifier is reported only once drivers/char/riscom8.c:1323: error: for each function it appears in.) drivers/char/riscom8.c: In function `rc_tiocmset': drivers/char/riscom8.c:1336: Warnung: unused variable `arg' drivers/char/riscom8.c: At top level: drivers/char/riscom8.c:1669: error: `rx_tiocmset' undeclared here (not in a function) drivers/char/riscom8.c:1669: error: initializer element is not constant drivers/char/riscom8.c:1669: error: (near initialization for `riscom_ops.tiocmset') drivers/char/riscom8.c:1334: Warnung: `rc_tiocmset' defined but not used The attached patch fixes it... Thomas Schlichter