From: Pavel Machek <pavel@ucw.cz>
To: Stuart Hayes <stuart.w.hayes@gmail.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
linux-pci@vger.kernel.org, Lukas Wunner <lukas@wunner.de>,
Bjorn Helgaas <bhelgaas@google.com>,
Keith Busch <kbusch@kernel.org>,
kw@linux.com
Subject: Re: [PATCH v3] Add support for PCIe SSD status LED management
Date: Wed, 18 Aug 2021 09:05:03 +0200 [thread overview]
Message-ID: <20210818070503.GF22282@amd> (raw)
In-Reply-To: <20210813213653.3760-1-stuart.w.hayes@gmail.com>
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Hi!
> This patch adds support for the PCIe SSD Status LED Management
> interface, as described in the "_DSM Additions for PCIe SSD Status LED
> Management" ECN to the PCI Firmware Specification revision 3.2.
>
> It will add (led_classdev) LEDs to each PCIe device that has a supported
> _DSM interface (one off/on LED per supported state). Both PCIe storage
> devices, and the ports to which they are connected, can support this
> interface.
>
> Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
I believe these are not LEDs, right? This is something that displays
information to the user, but how exactly it is implemented is up to
BIOS vendor.
I don't think it is good fit for LED subsystem.
Best regards,
Pavel
--
http://www.livejournal.com/~pavelmachek
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next prev parent reply other threads:[~2021-08-18 7:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-13 21:36 [PATCH v3] Add support for PCIe SSD status LED management Stuart Hayes
2021-08-14 6:23 ` Lukas Wunner
2021-10-04 17:41 ` stuart hayes
2021-10-05 4:41 ` Williams, Dan J
2021-08-18 7:05 ` Pavel Machek [this message]
2021-10-04 18:04 ` stuart hayes
2021-10-05 5:14 ` Williams, Dan J
2021-10-06 2:42 ` stuart hayes
2021-10-06 20:15 ` Dan Williams
2021-10-07 8:24 ` Pavel Machek
2021-10-07 11:32 ` Tkaczyk, Mariusz
2021-11-02 16:23 ` stuart hayes
2021-11-06 2:52 ` Dan Williams
2021-11-07 14:40 ` James Bottomley
2021-11-12 0:56 ` Krzysztof Wilczyński
2021-11-25 22:13 ` Bjorn Helgaas
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