From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Ocean HY1 He <hehy1@lenovo.com>
Cc: "tj@kernel.org" <tj@kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Let AHCI dirver skip Lenovo SWRAID controller
Date: Mon, 25 Jan 2016 13:18:50 +0000 [thread overview]
Message-ID: <20160125131850.64c5c22a@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <1453691440-42035-1-git-send-email-hehy1@lenovo.com>
On Mon, 25 Jan 2016 03:11:40 +0000
Ocean HY1 He <hehy1@lenovo.com> wrote:
> Lenovo SWRAID solution is based on Intel Non-RSTE RAID controller which
> is called Lenovo SWRAID controller by set Lenovo dedicated PCI
> SVID:SDID.
>
> Because AHCI driver now take control this Lenovo SWRAID controller for
> MDRAID, Lenovo SWRAID driver fails to load later. It's not proper to
> disable AHCI driver, because system has SATA contoller used for SATA
> DVD, M.2 etc. There is no chance to load Lenovo SWRAID first, because
> almost all Linux distros load AHCI driver first during installation.
>
> As default, when Lenovo SWRAID controller is detected, let AHCI driver
> skip it thus MDRAID is disabled. Use the boot option 'ahci.lenovo_swraid=0'
> could disable Lenovo SWRAID.
You need to submit the Lenovo SWRAID driver to the kernel first.
Otherwise this breaks things.
Alan
next prev parent reply other threads:[~2016-01-25 13:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-25 3:11 Ocean HY1 He
2016-01-25 9:56 ` Christoph Hellwig
2016-01-25 13:18 ` One Thousand Gnomes [this message]
2016-01-26 12:42 ` Ocean HY1 He
2016-01-26 13:24 ` Christoph Hellwig
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