Re: [PATCH v3 3/5] platform/x86: think-lmi: Correct NVME password handling

From: Ilpo Järvinen
Date: Mon May 29 2023 - 08:03:54 EST


On Fri, 26 May 2023, Mark Pearson wrote:

> NVME passwords identifier have been standardised across the Lenovo
> systems and now use udrp and adrp (user and admin level) instead of
> unvp and mnvp.
>
> This should apparently be backwards compatible.
>
> Also cleaned up so the index is set to a default of 1 rather than 0
> as this just makes more sense (there is no device 0).

These two sound entirely separate changes. If that's the case, please
make own patch from the send change.

Hmm, index_store() still allows 0, is that also related here? Please check
also ABI documentation as index default seems to be mentioned there as
well.

--
i.

> Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
> ---
> Changes in v2 & v3: None. Version bumped in series
>
> drivers/platform/x86/think-lmi.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
> index c7e98fbe7c3d..1c02958035ad 100644
> --- a/drivers/platform/x86/think-lmi.c
> +++ b/drivers/platform/x86/think-lmi.c
> @@ -456,9 +456,9 @@ static ssize_t new_password_store(struct kobject *kobj,
> sprintf(pwd_type, "mhdp%d", setting->index);
> } else if (setting == tlmi_priv.pwd_nvme) {
> if (setting->level == TLMI_LEVEL_USER)
> - sprintf(pwd_type, "unvp%d", setting->index);
> + sprintf(pwd_type, "udrp%d", setting->index);
> else
> - sprintf(pwd_type, "mnvp%d", setting->index);
> + sprintf(pwd_type, "adrp%d", setting->index);
> } else {
> sprintf(pwd_type, "%s", setting->pwd_type);
> }
> @@ -1524,6 +1524,10 @@ static int tlmi_analyze(void)
> if (!tlmi_priv.pwd_nvme)
> goto fail_clear_attr;
>
> + /* Set default hdd/nvme index to 1 as there is no device 0 */
> + tlmi_priv.pwd_hdd->index = 1;
> + tlmi_priv.pwd_nvme->index = 1;
> +
> if (tlmi_priv.pwdcfg.core.password_state & TLMI_HDD_PWD) {
> /* Check if PWD is configured and set index to first drive found */
> if (tlmi_priv.pwdcfg.ext.hdd_user_password ||
>