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    [PATCH] Exar quad port serial · e0980daf
    Paul B Schroeder 提交于
    This is on our "Envoy" boxes which we have, according to the documentation, an
    "Exar ST16C554/554D Quad UART with 16-byte Fifo's".  The box also has two
    other "on-board" serial ports and a modem chip.
    
    The two on-board serial UARTs were being detected along with the first two
    Exar UARTs.  The last two Exar UARTs were not showing up and neither was the
    modem.
    
    This patch was the only way I could the kernel to see beyond the standard four
    serial ports and get all four of the Exar UARTs to show up.
    
    [akpm@osdl.org: build fix]
    Signed-off-by: NPaul B Schroeder <pschroeder@uplogix.com>
    Cc: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
    Acked-by: NAlan Cox <alan@lxorguk.ukuu.org.uk>
    Cc: Russell King <rmk@arm.linux.org.uk>
    Cc: Greg KH <greg@kroah.com>
    Signed-off-by: NAndrew Morton <akpm@osdl.org>
    Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
    e0980daf
Makefile 2.4 KB