[PATCH v4 2/8] firmware: meson: sm: Thermal calibration read via secure monitor

[Neil Armstrong]

On 4/23/26 18:07, Ronald Claveau via B4 Relay wrote:
> From: Ronald Claveau <linux-kernel-dev at aliel.fr>
> 
> Add SM_THERMAL_CALIB_READ to the secure monitor command enum and
> introduce meson_sm_get_thermal_calib() to allow drivers to retrieve
> thermal sensor calibration data through the firmware interface.
> 
> Signed-off-by: Ronald Claveau <linux-kernel-dev at aliel.fr>
> ---
>   include/linux/firmware/meson/meson_sm.h | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h
> index 8eaf8922ab020..3ebc2bd9a9760 100644
> --- a/include/linux/firmware/meson/meson_sm.h
> +++ b/include/linux/firmware/meson/meson_sm.h
> @@ -12,6 +12,7 @@ enum {
>   	SM_EFUSE_WRITE,
>   	SM_EFUSE_USER_MAX,
>   	SM_GET_CHIP_ID,
> +	SM_THERMAL_CALIB_READ,
>   	SM_A1_PWRC_SET,
>   	SM_A1_PWRC_GET,
>   };
> @@ -27,5 +28,7 @@ int meson_sm_call_read(struct meson_sm_firmware *fw, void *buffer,
>   		       unsigned int bsize, unsigned int cmd_index, u32 arg0,
>   		       u32 arg1, u32 arg2, u32 arg3, u32 arg4);
>   struct meson_sm_firmware *meson_sm_get(struct device_node *firmware_node);
> +int meson_sm_get_thermal_calib(struct meson_sm_firmware *fw, u32 *trim_info,
> +			       u32 tsensor_id);
>   
>   #endif /* _MESON_SM_FW_H_ */
> 

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>

Thanks,
Neil