From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Brijesh Singh <brijesh.singh@amd.com>, Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org, hdegoede@redhat.com,
linux-ide@vger.kernel.org
Subject: Re: [PATCH v2] ata: add AMD Seattle platform driver
Date: Fri, 29 Jan 2016 21:31:27 +0000 [thread overview]
Message-ID: <20160129213127.14ca55d5@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <3904852.c3HykPsQQ2@wuerfel>
> 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
next prev parent reply other threads:[~2016-01-29 21:31 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-14 16:31 Brijesh Singh
2016-01-20 21:24 ` Brijesh Singh
2016-01-25 20:43 ` Tejun Heo
2016-01-26 9:36 ` Hans de Goede
2016-03-16 20:12 ` Brijesh Singh
2016-01-26 12:17 ` Arnd Bergmann
2016-01-26 16:56 ` Brijesh Singh
2016-01-29 21:22 ` Arnd Bergmann
2016-01-29 21:31 ` One Thousand Gnomes [this message]
2016-02-01 18:56 ` Brijesh Singh
2016-02-01 20:14 ` Arnd Bergmann
2016-02-01 22:15 ` Brijesh Singh
2016-02-02 14:08 ` Arnd Bergmann
2016-02-02 18:37 ` Brijesh Singh
2016-02-05 14:50 ` Arnd Bergmann
2016-02-05 17:23 ` Brijesh Singh
2016-02-08 18:12 ` Brijesh Singh
2016-03-16 21:07 ` Tejun Heo
2016-03-17 17:36 ` Arnd Bergmann
2016-03-18 18:36 ` Brijesh Singh
2016-03-18 20:19 ` Tejun Heo
2016-04-14 9:08 ` Matthias Brugger
2016-04-14 22:14 ` Brijesh Singh
2016-04-13 19:15 ` Tejun Heo
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