Tejun Heo wrote:
If SError isn't accessible, EH can't tell whether hotplug has happened
or not.  Report SError read failure with AC_ERR_OTHER and schedule
probing with hardreset.  This will be mainly useful for PMPs.

Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
---
 drivers/ata/libata-eh.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

What if the LLDD told us hotplug happened?

Even though sata_promise has SError, it should be noted that hotplug under sata_promise is not signalled through normal means, but by a special vendor-specific register


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