Call for testers: Apple ATA DMA

[Marcel Moolenaar]

On Sep 26, 2008, at 11:46 AM, Nathan Whitehorn wrote:

> Marco Trillo wrote:
>> Hi,
>> On Fri, Sep 26, 2008 at 7:48 PM, Marco Trillo  
>> <marcotrillo at gmail.com> wrote:
>>>> I just added in support for setting the timing correctly when the  
>>>> bus has
>>>> multiple devices running at different speeds and also for  
>>>> programming
>>>> reasonable PIO defaults for ata_macio. I hope the combination  
>>>> solves the
>>>> problems seen by both you and Marcel, so more testing would be  
>>>> appreciated.
>>>> As usual, the patch is here:
>>> The patch seems to work for me, I get no hangs or errors at boot  
>>> time:
>>>
>>> ata0 mem 0x20000-0x20fff,0x8800-0x88ff irq 24,12 on macio0
>>> ata0: [ITHREAD]
>>> ata1: <Intrepid Kauai ATA Controller> mem 0xf5004000-0xf5007fff irq
>>> 39,1 at device 13.0 on pci2
>>> ata1: [ITHREAD]
>>> acd0: DVDR <HL-DT-ST RW/DVD GCC-4481B/2.05> at ata0-master WDMA2
>>> ad0: 38166MB <Seagate ST340015A 3.01> at ata1-master UDMA100
>>>
>>> The ad0 disk works perfectly in UDMA100 (I have tested it a lot  
>>> these
>>> days without problems).  I have not tested acd0 yet, but I'm going  
>>> to
>>> test it and report how well does it work.
>> I just tested it. It works fine! No hangs or errors, and the data
>> transfers just fine. Thanks!
>
> Wonderful! If I can get positive reports from a few more people who  
> were having trouble, I'll drop this in the tree.

I won't be able to test again until Monday, so
feel free to commit without my feedback if you
received enough positive news before that time.
FYI,

-- 
Marcel Moolenaar
xcllnt at mac.com