Tejun Heo wrote:
As libata now can do PIO, don't ignore PIO-only devices. Signed-off-by: Tejun Heo <htejun@xxxxxxxxx> --- I'm currently away from my machines due to idiotic/useless national reserve military training :-(, so I only compile tested it. Ed, can you please try the following patch and report the result? Jeff, please don't apply until Ed confirms.
More info. I've tested PIO only mode with several harddisks and PX716SA by nuking dma mask in ata_set_mode() in not-so-distant past (several weeks ago) and didn't have any problem.
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