Messages in this thread | | | Date | Wed, 6 Jun 2007 12:05:11 -0400 | From | Jeff Garzik <> | Subject | Re: [REPOST PATCH] sata_promise: use TF interface for polling NODATA commands |
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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.
Jeff
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