Re: [PATCH] libata: clear TF before IDENTIFYing

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Tejun Heo wrote:
Some devices chock if Feature is not clear when IDENTIFY is issued.
Set ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE for IDENTIFY such that whole
TF is cleared when reading ID data.

Kudos to Art Haas for testing various futile patches over several
months and Mark Lord for pointing out the fix.

Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
Cc: Art Haas <ahaas@xxxxxxxxxxx>
Cc: Mark Lord <mlord@xxxxxxxxx>
---
I think this should go into -stable but a little bit hesitant because
the code hasn't been tested widely.  This patch should really be
harmless but who knows.  Jeff, Mark, what do you think?

applied


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