Re: [RFC] AHCI: Remove conflicting Intel Lewisburg 3rd-party SATA RAID device IDs

From	One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Newsgroups	linux.kernel
Subject	Re: [RFC] AHCI: Remove conflicting Intel Lewisburg 3rd-party SATA RAID device IDs
Date	2016-02-29 17:40 +0100
Message-ID	<r7z1w-5sW-7@gated-at.bofh.it> (permalink)
References	(3 earlier) <ngBPA-7Le-13@gated-at.bofh.it> <r7sCK-1fB-17@gated-at.bofh.it> <ngBPA-7Le-13@gated-at.bofh.it> <dKoem-164-11@gated-at.bofh.it> <r7sCK-1fB-11@gated-at.bofh.it>
Organization	Intel Corporation

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On Mon, 29 Feb 2016 09:28:19 +0000
Ocean HY1 He <hehy1@lenovo.com> wrote:

> Hi Tejun,
> 
> According to Intel Lewisburg PCH EDS, SATA RAID controller has two types
> of DIDs: RSTe RAID and 3rd Party RAID. RSTe RAID shoud be drived by AHCI
> driver and used to construct MDRAID. These 3rd Party RAID IDs are reserved
> for other 3rd Party RAID drivers for variety.
> 
> So, I think it's a bug to let AHCI driver supporting 3rd Party RAID IDs.
> And it should be ok to remove these existed device IDs.

We have already had this discussion before. I'm surprised it has come
back again, this time via Intel. If Lenovo wants their RAID supported in
Linux then contribute it open source to the kernel. You've been told this
clearly before.

Alan

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Re: [RFC] AHCI: Remove conflicting Intel Lewisburg 3rd-party SATA  RAID device IDs Ocean HY1 He <hehy1@lenovo.com> - 2016-02-29 10:50 +0100
  Re: [RFC] AHCI: Remove conflicting Intel Lewisburg 3rd-party SATA  RAID device IDs Christoph Hellwig <hch@infradead.org> - 2016-02-29 11:00 +0100
  Re: [RFC] AHCI: Remove conflicting Intel Lewisburg 3rd-party SATA  RAID device IDs One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-02-29 17:40 +0100

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