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6 Commits

Author SHA1 Message Date
atatat 31144d9976 Convert ioctl code to use EPASSTHROUGH instead of -1 or ENOTTY for 
indicating an unhandled "command".  ERESTART is -1, which can lead to
confusion.  ERESTART has been moved to -3 and EPASSTHROUGH has been
placed at -4.  No ioctl code should now return -1 anywhere.  The
ioctl() system call is now properly restartable.
 2002-03-17 19:40:26 +00:00
scottr 8630149cba Convert to MI 8530 SCC driver, from Bill Studenmund. The new front end 
also supports DTR/CTS flow control.
 1997-10-20 08:13:26 +00:00
christos 40ecbf8e72 backout previous kprintf change 1996-10-13 03:21:13 +00:00
christos 06555645c2 printf -> kprintf, sprintf -> ksprintf 1996-10-11 00:24:36 +00:00
briggs 4498ce3c90 Add constants for booter interface. 1996-06-07 10:27:19 +00:00
briggs 2635a9c602 Serial driver with interface to a slightly modified version of the machine- 
independent z8530 driver.  When that driver is updated, the local copy
of those files may be removed.  From Bill Studenmund.
Compiler warnings fixed by me.
 1996-05-18 18:53:50 +00:00