Hi,
On 5/23/23 14:43, Mark Pearson wrote:
> Thanks Hans
>
> On Tue, May 23, 2023, at 6:46 AM, Hans de Goede wrote:
>> Hi Mark,
>>
>> On 5/17/23 20:19, Mark Pearson wrote:
>>> The system password identification was incorrect. This means that if
>>> the password was enabled it wouldn't be detected correctly; and setting
>>> it would not work.
>>>
>>> Correct these mistakes.
>>>
>>> Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
>>> ---
>>> drivers/platform/x86/think-lmi.c | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
>>> index d9341305eba9..b8431d3b137f 100644
>>> --- a/drivers/platform/x86/think-lmi.c
>>> +++ b/drivers/platform/x86/think-lmi.c
>>> @@ -171,7 +171,7 @@ MODULE_PARM_DESC(debug_support, "Enable debug command support");
>>> #define TLMI_POP_PWD (1 << 0)
>>> #define TLMI_PAP_PWD (1 << 1)
>>> #define TLMI_HDD_PWD (1 << 2)
>>> -#define TLMI_SYS_PWD (1 << 3)
>>> +#define TLMI_SYS_PWD (1 << 6)
>>> #define TLMI_CERT (1 << 7)
>>>
>>> #define to_tlmi_pwd_setting(kobj) container_of(kobj, struct tlmi_pwd_setting, kobj)
>>> @@ -1504,7 +1504,7 @@ static int tlmi_analyze(void)
>>> tlmi_priv.pwd_power->valid = true;
>>>
>>> if (tlmi_priv.opcode_support) {
>>> - tlmi_priv.pwd_system = tlmi_create_auth("sys", "system");
>>> + tlmi_priv.pwd_system = tlmi_create_auth("smp", "system");
>>
>> "smp" ?
>
> Yes - that is what is common across all the platforms.
> https://docs.lenovocdrt.com/#/bios/wmi/wmi_guide?id=change-a-bios-password
Ok, so smp stands for System Management Password I guess ? Might be good to spell
that out somehwere, e.g. in a comment.
Regards,
Hans
>
> I never quite got a straight answer on the origins of the 'sys' account - I think it may have been originally intended but never used? Or maybe it's always been wrong.
>
> I should change the define to be TLMI_SMP_PWD instead actually for clarity. I'll fix that.
>
>>
>> Also this is not explained in the commit message.
>>
>
> Ack - will update the commit message to include this.
>
> Thanks
> Mark
>
