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/openbmc/linux/drivers/misc/mei/ |
H A D | hw-me-regs.h | 5e6533a6 Tue Mar 25 14:25:18 CDT 2014 Tomas Winkler <tomas.winkler@intel.com> mei: me: do not load the driver if the FW doesn't support MEI interface
NM and SPS FW types that may run on ME device on server platforms do not have valid MEI/HECI interface and driver should not be bound to it as this might lead to system hung. In practice not all BIOSes effectively hide such devices from the OS and in some cases it is not possible.
We determine FW type by examining Host FW status registers in order to unbind the driver. In this patch we are adding check for ME on Cougar Point, Lynx Point Devices
Cc: stable <stable@vger.kernel.org> # 3.10+ Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 5e6533a6 Tue Mar 25 14:25:18 CDT 2014 Tomas Winkler <tomas.winkler@intel.com> mei: me: do not load the driver if the FW doesn't support MEI interface NM and SPS FW types that may run on ME device on server platforms do not have valid MEI/HECI interface and driver should not be bound to it as this might lead to system hung. In practice not all BIOSes effectively hide such devices from the OS and in some cases it is not possible. We determine FW type by examining Host FW status registers in order to unbind the driver. In this patch we are adding check for ME on Cougar Point, Lynx Point Devices Cc: stable <stable@vger.kernel.org> # 3.10+ Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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H A D | pci-me.c | 5e6533a6 Tue Mar 25 14:25:18 CDT 2014 Tomas Winkler <tomas.winkler@intel.com> mei: me: do not load the driver if the FW doesn't support MEI interface
NM and SPS FW types that may run on ME device on server platforms do not have valid MEI/HECI interface and driver should not be bound to it as this might lead to system hung. In practice not all BIOSes effectively hide such devices from the OS and in some cases it is not possible.
We determine FW type by examining Host FW status registers in order to unbind the driver. In this patch we are adding check for ME on Cougar Point, Lynx Point Devices
Cc: stable <stable@vger.kernel.org> # 3.10+ Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 5e6533a6 Tue Mar 25 14:25:18 CDT 2014 Tomas Winkler <tomas.winkler@intel.com> mei: me: do not load the driver if the FW doesn't support MEI interface NM and SPS FW types that may run on ME device on server platforms do not have valid MEI/HECI interface and driver should not be bound to it as this might lead to system hung. In practice not all BIOSes effectively hide such devices from the OS and in some cases it is not possible. We determine FW type by examining Host FW status registers in order to unbind the driver. In this patch we are adding check for ME on Cougar Point, Lynx Point Devices Cc: stable <stable@vger.kernel.org> # 3.10+ Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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