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SubjectRe: [PATCH] libata: Export AHCI capabilities
Matthew Garrett wrote:
> AHCI exports various capability bits that may be of interest to userspace
> such as whether the BIOS claims a port is hotpluggable or eSATA. Providing
> these via sysfs along with the version of the AHCI spec implemented by
> the host allows userspace to make policy decisions for things like ALPM.
> Signed-off-by: Matthew Garrett <>

I would prefer a better-yet-more-general interface, but I don't think
one will appear anytime soon, so...


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