Messages in this thread | | | Date | Wed, 6 Jun 2007 17:34:52 +0100 | From | Alan Cox <> | Subject | Re: [REPOST PATCH] sata_promise: use TF interface for polling NODATA commands |
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On Wed, 6 Jun 2007 12:05:11 -0400 Jeff Garzik <jeff@garzik.org> wrote:
> > FYI to all -- > > As a reminder. the Promise hardware programs registers when it receives > a SET FEATURES - XFER MODE. > > If data transfer is occurring on OTHER ports at the time this is issued, > then data corruption is guaranteed to occur. Polling will not fix this > problem -- all ports need to be inactive, when a SET FEATURES - XFER > MODE command is issued for any port.
Cool - will whoever makes that work drop me a note as I need to do the same eventually for a couple of other controllers. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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