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SubjectRe: [PATCH] libata: remove experimental tag on PATA drivers
El Fri, 13 Nov 2009 18:25:15 +0000
Alan Cox <alan@lxorguk.ukuu.org.uk> escribió:


>
> > PATA_ALI: EXPERIMENTAL
> > - ATAPI DMA is still broken
>
> Not experimental as we default to not doing ATAPI DMA. Glancing over the
> code I notice the ALI C2/C3 workaround probably wants adding to the old
> driver as it can do nasty things otherwise. (See the reset function in
> the pata_ali driver)

FWIW I have a Motherboard with Ali chipset and have been using ATAPI DMA
(forcing it via proc) without issues since the DMA was disabled by default.

lspci -v
IDE interface: ALi Corporation M5229 IDE (rev c7) (prog-if 8a [Master SecP PriP])
Subsystem: ASRock Incorporation Device 5229
Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 21
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1]
[virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8]
[virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1]
I/O ports at ff00 [size=16]
Capabilities: <access denied>
Kernel driver in use: pata_ali
Kernel modules: ata_generic



>

> Alan
>
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