FAQ: [#6142] USBHOST can't recognize the USB disk after replug(2010)

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[#6142] USBHOST can't recognize the USB disk after replug

Submitted By: Bob Liu

Open Date

2010-07-29 22:46:02    

Priority:

Medium     Assignee:

Bob Liu

Status:

Open     Fixed In Release:

N/A

Found In Release:

N/A     Release:

Category:

N/A     Board:

N/A

Processor:

BF548     Silicon Revision:

0.2

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

gcc-4.3.5 (ADI-trunk/svn-4637)

App binary format:

N/A     

Summary: USBHOST can't recognize the USB disk after replug

Details:

 

The first time the USB disk plug in, it works correctly.

But after unplug and replug, it can't be recognized anymore.

 

root:/> version

kernel:    Linux release 2.6.34.1-ADI-2010R1-pre-svn8984, build #455 Thu Jul 29 18:08:28 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.5 (ADI-trunk/svn-4637)

user-dist: release svn-9720, build #220 Thu Jul 29 18:08:00 CST 2010

root:/>

 

Follow-ups

 

--- Bob Liu                                                  2010-08-04 02:55:20

fixed, commit 9045.

Restart the timer handler not only in otg but also in host-only mode.

-Bob

 

--- George Yohng                                             2012-02-04 11:26:52

This patch seems to be gon again from the 2011R1 - I had to reapply it to make

things work.

 

--- George Yohng                                             2012-02-04 17:35:59

Please disregard the last comment. The problem seems to be unrelated to this

patch.

 

 

 

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