cvs commit: src/sys/dev/uart uart_dev_ns8250.c

Olivier Houchard cognet at
Mon Feb 26 23:33:08 UTC 2007

cognet      2007-02-26 23:33:07 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/dev/uart         uart_dev_ns8250.c 
  Partial MFC of rev 1.22 (the other bits were already MFC'd by marcel).
  Additionally, remove the probe for the high 4 bits of IER being 0 and don't
  assume we can always read/write 0 to/from those bits.
  This is needed to get uart(4) to work on Xscale PXA255 and IXP425.
  Revision  Changes    Path  +12 -22    src/sys/dev/uart/uart_dev_ns8250.c

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