Attachment 'thinkpad-a22-find-sysfs.txt'

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   1 #Thinkpad A22 example :
   2 
   3 $ find /sys/ -name 'tty:ttyS*'
   4 /sys/devices/pnp0/00:0b/tty:ttyS0
   5 /sys/devices/pci0000:00/0000:00:02.0/0.0/tty:ttyS1
   6 /sys/devices/platform/serial8250/tty:ttyS3
   7 /sys/devices/platform/serial8250/tty:ttyS2
   8 
   9 $ lspci 
  10 [..]
  11 00:02.0 CardBus bridge: Texas Instruments PCI1450 (rev 03)
  12 [..]
  13 
  14 #############################################################
  15 some explanations on this example :
  16 
  17 serial8250 :
  18     ttyS* under "serial8250" probably doen't exist (they are present by 
  19     default because it's hard to detect if they are present or not)
  20 
  21 pnp0/00:0b/tty:ttyS0 :
  22     old "pnp" infrastructure... it's likely to be a plain serial interface.
  23 
  24 pci0000:00/0000:00:02.0/0.0/tty:ttyS1 :
  25     is something connected to "CardBus bridge" (00:02.0), so ttyS0 is a 
  26     PC card device.

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  • [get | view] (2007-10-01 21:27:35, 1.5 KB) [[attachment:thinkpad-a22-hal.txt]]
  • [get | view] (2007-10-29 21:06:03, 0.9 KB) [[attachment:usb-to-serial-adapter_hal.txt]]
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