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authorMario Limonciello <mario.limonciello@dell.com>2017-11-01 14:25:32 -0500
committerDarren Hart (VMware) <dvhart@infradead.org>2017-11-03 16:33:59 -0700
commit1a258e670434f404a4500b65ba1afea2c2b29bba (patch)
treef0bc6479ccd0b82a10b3eb1f4f459097f64010d7 /drivers/mfd/rtl8411.c
parent549b4930f057658dc50d8010e66219233119a4d8 (diff)
platform/x86: dell-smbios-wmi: Add new WMI dispatcher driver
The dell-smbios stack only currently uses an SMI interface which grants direct access to physical memory to the firmware SMM methods via a pointer. This dispatcher driver adds a WMI-ACPI interface that is detected by WMI probe and preferred over the SMI interface in dell-smbios. Changing this to operate over WMI-ACPI will use an ACPI OperationRegion for a buffer of data storage when SMM calls are performed. This is a safer approach to use in kernel drivers as the SMM will only have access to that OperationRegion. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Reviewed-by: Edward O'Callaghan <quasisec@google.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Diffstat (limited to 'drivers/mfd/rtl8411.c')
0 files changed, 0 insertions, 0 deletions