From: Darren Hart <dvhart@infradead.org>
To: Mario Limonciello <mario.limonciello@dell.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH v2] platform/x86: dell-smbios-wmi: Disable userspace interface if missing hotfix
Date: Fri, 17 Nov 2017 12:39:22 -0800 [thread overview]
Message-ID: <20171117203922.GG22250@fury> (raw)
In-Reply-To: <1510891992-31659-1-git-send-email-mario.limonciello@dell.com>
On Thu, Nov 16, 2017 at 10:13:12PM -0600, Mario Limonciello wrote:
> The Dell SMBIOS WMI interface will fail for some more complex calls unless
> a WMI hotfix has been included. Most platforms have this fix available in
> a maintenance BIOS release. In the case the driver is loaded on a
> platform without this fix, disable the userspace interface.
>
> A hotfix indicator is present in the dell-wmi-descriptor that represents
> whether or not more complex calls will work properly.
>
> "Simple" calls such as those used by dell-laptop and dell-wmi will continue
> to work properly so dell-smbios-wmi should not be blocked from binding and
> being used as the dell-smbios dispatcher.
>
> Suggested-by: Girish Prakash <girish.prakash@dell.com>
> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Queued up, thanks Mario.
--
Darren Hart
VMware Open Source Technology Center
next prev parent reply other threads:[~2017-11-17 20:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 4:13 [PATCH v2] platform/x86: dell-smbios-wmi: Disable userspace interface if missing hotfix Mario Limonciello
2017-11-17 20:39 ` Darren Hart [this message]
2017-11-20 16:03 ` Mario.Limonciello
2017-11-20 20:37 ` Darren Hart
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