[#5489] t2/t4 failed in gadget zero bulk test with dma mode
Submitted By: Vivi Li
Open Date
2009-09-03 17:46:01 Close Date
2009-11-08 23:37:07
Priority:
Medium Assignee:
Cliff Cai
Status:
Closed Fixed In Release:
N/A
Found In Release:
2010R1 Release:
Category:
Drivers Board:
N/A
Processor:
ALL Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
gcc4.1-09r1-rc9
App binary format:
N/A
Summary: t2/t4 failed in gadget zero bulk test with dma mode
Details:
t2 and t4 test failed in gadget zero bulk test with dma mode, on both bf527 and bf 548.
It works in pio mode.
--
uclinux62-548-usbdev:..testsuites/usbdev # sudo ./src/testusb -D /proc/bus/usb/002/054 -t2
unknown speed /proc/bus/usb/002/054
/proc/bus/usb/002/054 test 2 --> 75 (Value too large for defined data type)
uclinux62-548-usbdev:..testsuites/usbdev # ^[(B^[[mFAIL: testusb t2
--
--
uclinux62-548-usbdev:..testsuites/usbdev # sudo ./src/testusb -D /proc/bus/usb/002/054 -t4
unknown speed /proc/bus/usb/002/054
/proc/bus/usb/002/054 test 4 --> 75 (Value too large for defined data type)
uclinux62-548-usbdev:..testsuites/usbdev #
--
Follow-ups
--- Cliff Cai 2009-10-29 04:48:34
fixed by enabling double buffering for TX FIFO.
--- Cliff Cai 2009-10-30 04:18:52
the root cause is that we can't use mode 1 for tx currently and request_size
which is equal to packet_sz should be treated as mode0.
--- Vivi Li 2009-11-08 23:37:07
OK now. Close it.
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