Re: [PATCH 3/6] platform/x86/intel/tpmi: Modify external interface to get read/write state

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On Tue, 28 Nov 2023, Srinivas Pandruvada wrote:

> Modify the external interface tpmi_get_feature_status() to get read
> and write blocked instead of locked and disabled. Since auxiliary device
> is not created when disabled, no use of returning disabled state. Also
> locked state is not useful as feature driver can't use locked state
> in a meaningful way.
> 
> Using read and write state, feature driver can decide which operations
> to restrict for that feature.
> 
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> ---
>  drivers/platform/x86/intel/tpmi.c | 8 ++++----
>  include/linux/intel_tpmi.h        | 5 ++---
>  2 files changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c
> index 4edaa182db04..44773c210324 100644
> --- a/drivers/platform/x86/intel/tpmi.c
> +++ b/drivers/platform/x86/intel/tpmi.c
> @@ -351,8 +351,8 @@ static int tpmi_read_feature_status(struct intel_tpmi_info *tpmi_info, int featu
>  	return ret;
>  }
>  
> -int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id,
> -			    int *locked, int *disabled)
> +int tpmi_get_feature_status(struct auxiliary_device *auxdev,
> +			    int feature_id, int *read_blocked, int *write_blocked)

Noting down there's logical reversion of the parameters here as to me
locked sound similar to write_blocked and disabled likewise to 
read_blocked but since there are no users for this function so far
I suppose it's fine.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>


-- 
 i.

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