[#3933] IrDA function is not stable

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[#3933] IrDA function is not stable

Submitted By: Graf Yang

Open Date

2008-02-26 01:54:35     Close Date

2008-03-20 03:55:50

Priority:

Low     Assignee:

Graf Yang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

N/A     Release:

Category:

Drivers     Board:

STAMP

Processor:

BF537     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

App binary format:

N/A     

Summary: IrDA function is not stable

Details:

 

The device irda0 randomly can't receive any packet after Irdaping running some time.

This issue both exists on bfin_sir driver PIO and DMA mode. (irattach irda0 -s)

When use device /dev/ttyBF1, also have this issue. (irattach /dev/ttyBF1 -s)

 

Follow-ups

 

--- Graf Yang                                                2008-03-20 03:55:48

Fixed this bug, just reset the UART engine, after we detected that receive

interrupt is not called for a long while. It's maybe a hardware bug.

 

 

 

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