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    Subjectsd_resume redundant? [was: [PATCH] libata: implement ata_wait_after_reset()]
    On Sat, May 19, 2007 21:04, Tejun Heo wrote:
    > Tejun Heo wrote:
    >> Yeah, if SCR registers are accessible, 0xff doesn't indicate the device
    >> isn't there, so the whole skip-0xff logic probably shouldn't apply in
    >> such cases, but we can also achieve pretty good result by just making
    >> the first reset tries a bit more aggressive.
    > So, here's the patch.
    > Paul, can you please test this patch without the previous patch? Indan,
    > this should reduce the resume delay. Please test. But you'll still
    > feel some added delay compared to 2.6.20 due to the mentioned
    > suspend/resume change.

    This removed the COMRESET errors indeed, and with sd_resume()
    disabled everything is speedy again (2s or so. Still a desktop pc).
    I didn't try with sd_resume enabled.

    Everything seems to work fine without sd_resume(), so why is it needed?



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