linux-kernel - Re: [PATCH 2/2] staging: r8188eu: refactor field of struct odm_rf

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Date:   Mon, 30 Aug 2021 01:19:05 +0100
From:   Phillip Potter <phil@...lpotter.co.uk>
To:     Michael Straube <straube.linux@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        Martin Kaiser <martin@...ser.cx>,
        "Fabio M. De Francesco" <fmdefrancesco@...il.com>,
        "open list:STAGING SUBSYSTEM" <linux-staging@...ts.linux.dev>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] staging: r8188eu: refactor field of struct odm_rf_cal

On Sun, 29 Aug 2021 at 18:56, Michael Straube <straube.linux@...il.com> wrote:
>
> Refactor the field IQKMatrixRegSetting of struct odm_rf_cal to be not
> an array. The driver is for chips that operate in the 2.4 GHz band only.
> So only the first element of the array is used and there is no need for
> an array.
>
> Signed-off-by: Michael Straube <straube.linux@...il.com>
> ---
>  drivers/staging/r8188eu/hal/HalPhyRf_8188e.c | 12 ++++++------
>  drivers/staging/r8188eu/include/odm.h        |  3 +--
>  2 files changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c b/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
> index 1b0e1e7307cd..6e0abaf58791 100644
> --- a/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
> +++ b/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
> @@ -279,8 +279,8 @@ odm_TXPowerTrackingCallback_ThermalMeter_8188E(
>
>                                 /* Adujst OFDM Ant_A according to IQK result */
>                                 ele_D = (OFDMSwingTable[(u8)OFDM_index[0]] & 0xFFC00000) >> 22;
> -                               X = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].Value[0][0];
> -                               Y = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].Value[0][1];
> +                               X = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.Value[0][0];
> +                               Y = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.Value[0][1];
>
>                                 /*  Revse TX power table. */
>                                 dm_odm->BbSwingIdxOfdm          = (u8)OFDM_index[0];
> @@ -314,8 +314,8 @@ odm_TXPowerTrackingCallback_ThermalMeter_8188E(
>                                         ele_D = (OFDMSwingTable[(u8)OFDM_index[1]] & 0xFFC00000) >> 22;
>
>                                         /* new element A = element D x X */
> -                                       X = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].Value[0][4];
> -                                       Y = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].Value[0][5];
> +                                       X = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.Value[0][4];
> +                                       Y = dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.Value[0][5];
>
>                                         if ((X != 0) && (*dm_odm->pBandType == ODM_BAND_2_4G)) {
>                                                 if ((X & 0x00000200) != 0)      /* consider minus */
> @@ -1182,8 +1182,8 @@ void PHY_IQCalibrate_8188E(struct adapter *adapt, bool recovery)
>  /* by sherry 20120321 */
>         if (final_candidate < 4) {
>                 for (i = 0; i < IQK_Matrix_REG_NUM; i++)
> -                       dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].Value[0][i] = result[final_candidate][i];
> -               dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].bIQKDone = true;
> +                       dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.Value[0][i] = result[final_candidate][i];
> +               dm_odm->RFCalibrateInfo.IQKMatrixRegSetting.bIQKDone = true;
>         }
>
>         _PHY_SaveADDARegisters(adapt, IQK_BB_REG_92C, dm_odm->RFCalibrateInfo.IQK_BB_backup_recover, 9);
> diff --git a/drivers/staging/r8188eu/include/odm.h b/drivers/staging/r8188eu/include/odm.h
> index d9041ee576bb..7c8f082930dd 100644
> --- a/drivers/staging/r8188eu/include/odm.h
> +++ b/drivers/staging/r8188eu/include/odm.h
> @@ -260,7 +260,6 @@ struct odm_rate_adapt {
>
>  #define AVG_THERMAL_NUM                8
>  #define IQK_Matrix_REG_NUM     8
> -#define IQK_Matrix_Settings_NUM        1+24+21
>
>  #define        DM_Type_ByFWi           0
>  #define        DM_Type_ByDriver        1
> @@ -664,7 +663,7 @@ struct odm_rf_cal {
>
>         u8      ThermalValue_HP[HP_THERMAL_NUM];
>         u8      ThermalValue_HP_index;
> -       struct ijk_matrix_regs_set IQKMatrixRegSetting[IQK_Matrix_Settings_NUM];
> +       struct ijk_matrix_regs_set IQKMatrixRegSetting;
>
>         u8      Delta_IQK;
>         u8      Delta_LCK;
> --
> 2.33.0
>

Acked-by: Phillip Potter <phil@...lpotter.co.uk>

Regards,
Phil