Messages in this thread Patch in this message | | | From | Srihari Vijayaraghavan <> | Subject | Re: [BUG] Kernel disables DMA on RICOH CD-R/RW | Date | Thu, 18 Nov 2004 09:16:27 +1100 |
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On Thu, 18 Nov 2004 08:06 am, Jens Axboe wrote: > On Wed, Nov 17 2004, Alan Cox wrote: > > On Maw, 2004-11-16 at 13:01, Bartlomiej Zolnierkiewicz wrote: > > > Previously VIA IDE driver ignored DMA blacklists completely > > > (which was of course wrong), it was fixed. > > > > > > Probably this drive should be removed from the blacklist. > > > Does anybody remember why was it added there? > > > > As I said before almost all of our blacklist is junk from when the IDE > > ATAPI DMA bug wasn't fixed. > > I sure don't remember why, so sounds plausible.
Could you please accept this patch? (against vanilla 2.6.10-rc2)
I have tested my RICOH CD-R/RW with this patch (on CD Reading/Writing), and it works just fine with DMA enabled.
(Unfortunately I do not have any other drive in the DMA disabled list, and hence I could not test for them.)
Thank you. Hari. --- 2.6.10-rc2/drivers/ide/ide-dma.c.orig 2004-11-18 08:50:03.000000000 +1100 +++ 2.6.10-rc2/drivers/ide/ide-dma.c 2004-11-18 08:50:24.000000000 +1100 @@ -129,7 +129,6 @@ { "CD-532E-A" , "ALL" }, { "E-IDE CD-ROM CR-840", "ALL" }, { "CD-ROM Drive/F5A", "ALL" }, - { "RICOH CD-R/RW MP7083A", "ALL" }, { "WPI CDD-820", "ALL" }, { "SAMSUNG CD-ROM SC-148C", "ALL" }, { "SAMSUNG CD-ROM SC-148F", "ALL" }, | |