CVS log for src/sys/dev/ic/com.c

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Default branch: MAIN
Current tag: netbsd-2-base

Revision 1.224.2.2 / (download) - annotate - [select for diffs], Mon Jul 5 21:57:45 2004 UTC (19 years, 9 months ago) by he
Branch: netbsd-2-0
CVS Tags: netbsd-2-base, netbsd-2-1-RELEASE, netbsd-2-1-RC6, netbsd-2-1-RC5, netbsd-2-1-RC4, netbsd-2-1-RC3, netbsd-2-1-RC2, netbsd-2-1-RC1, netbsd-2-1, netbsd-2-0-RELEASE, netbsd-2-0-RC5, netbsd-2-0-RC4, netbsd-2-0-RC3, netbsd-2-0-RC2, netbsd-2-0-RC1, netbsd-2-0-3-RELEASE, netbsd-2-0-2-RELEASE, netbsd-2-0-1-RELEASE
Branch point for: netbsd-2
Changes since 1.224.2.1: +15 -37 lines
Diff to previous 1.224.2.1 (colored) to branchpoint 1.224 (colored) next main 1.225 (colored)

Pull up revisions 1.228-1.230 (requested by mycroft in ticket #603):
  Incorporate 4 changes:
   o At high speed, set the FIFO trigger to a higher
     value to reduce interrupt load.  Fixes PR#15448.
   o Handle the case of IIR=RXRDY and LSR=!LSR_RCV_MASK
     differently, to avoid a hang with some chips.  Fixes
     PR#21184, and possibly PR#10974 and PR#8248.
   o Remove the extra wait at the end of com_common_putc(),
     after writing a character out, so that we get another
     TXRDY interrupt.  This prevents stalls when normal
     output and kernel output are mixed.  Fixes PR#4263.
   o Do not ``preload'' the TX FIFO; wait for a TXRDY
     interrupt to come in after enabling it.

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