tree 4950a7b7da05a1b76e52ba02278fab796faf302b
parent aaa40965d2342137d756121993c395e2a7463a8d
author Mario Limonciello <mario.limonciello@dell.com> 1510891992 -0600
committer Darren Hart (VMware) <dvhart@infradead.org> 1511210323 -0800

platform/x86: dell-smbios-wmi: Disable userspace interface if missing hotfix

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>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>