Hi, the patch "serial-02-fixups.patch" introduced following compile error: CC [M] drivers/char/cyclades.o drivers/char/cyclades.c: In function `cy_tiocmset': drivers/char/cyclades.c:3719: error: `value' undeclared (first use in this function) drivers/char/cyclades.c:3719: error: (Each undeclared identifier is reported only once drivers/char/cyclades.c:3719: error: for each function it appears in.) drivers/char/cyclades.c:3719: Warnung: unused variable `arg' The attached patch fixes it... Thomas Schlichter