Messages in this thread | | | Date | Fri, 29 Jan 2016 21:31:27 +0000 | From | One Thousand Gnomes <> | Subject | Re: [PATCH v2] ata: add AMD Seattle platform driver |
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> For the ACPI case, I still think that an AML call from the AHCI driver > is the most logical solution. You mentioned that you believe that calling > into the AML interpreter up to 100 times per second is a noticeable > overhead, but I doubt that and would like to see actual number backing > that up. Note that most of the time, the status of the LEDs won't even > change, so the driver does not have to call into the AML while I/O > is in progress, or while it is stopped, only for the transition or in > case of locate and fault events that should be extremely rare.
It can also be delayed - you don't need to adjust the LED at any great rate - it's for a human not a machine to read.
Alan
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