[#5301] gadget zero bulk test 13 hang up sometimes on bf527 with DMA mode
Submitted By: Vivi Li
Open Date
2009-06-30 23:51:05 Close Date
2009-07-06 03:27:30
Priority:
Medium High Assignee:
Cliff Cai
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
Category:
Drivers Board:
N/A
Processor:
BF527 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
gcc4.1_09r1-rc7
App binary format:
N/A
Summary: gadget zero bulk test 13 hang up sometimes on bf527 with DMA mode
Details:
For gadget zero bulk test on bf527 with DMA mode, tests 13 may hang up after running test for a while.
This test can pass on PIO mode. BF548-EZKIT can also pass.
--
sudo ./src/testusb -D /proc/bus/usb/001/105 -at13
unknown speed /proc/bus/usb/001/105
/proc/bus/usb/001/105 test 13 --> 32 (Broken pipe)
--
Follow-ups
--- Cliff Cai 2009-07-03 03:28:32
there are three problems in the musb code that cause usb not to work in DMA
mode.
1.the interrupt pending bits should be cleared at the beginning of DMA ISR.
2.the DMA address for TX DMA is wrong.
3.the TX request should be completed,only all the data has been transfered.
Cliff
--- Vivi Li 2009-07-06 03:27:29
OK now. Close it.
Thank you, Cliff!
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
No Files Were Found