I ran the program on two devices tonight, using a OHCI host controller
I didn't patch the kernel to modify HZ like you mentioned, so I don't
know if that makes a difference with the numbers or not:
Inside Out Networks Edgeport/4
port = /devfs/usb/tts/0
baud = 38400
packet size = 1
packet count = 10
serial-test.c:utimer_init() - checking clock speed... 453MHz
packetSize : 1
1 6.1/ 6.3/ 8.0
Keyspan PDA:
port = /devfs/usb/tts/0
baud = 38400
packet size = 1
packet count = 10
serial-test.c:utimer_init() - checking clock speed... 452MHz
packetSize : 1
1 10.0/ 11.0/ 19.8
And here is the serial port connected to my motherboard:
port = /devfs/tts/0
baud = 38400
packet size = 1
packet count = 10
serial-test.c:utimer_init() - checking clock speed... 452MHz
packetSize : 1
1 9.9/ 10.0/ 10.0
Hm, the Edgeport driver is faster than the serial port on my
motherboard? Does that make any sense, or is it an indication that I
really need to apply the HZ patch?
Hope this helps,
greg k-h
--
greg@(kroah|wirex).com
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