linux-kernel - Re: [PATCH] staging: r8188eu: remove ODM

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Date:   Sat, 14 Aug 2021 18:21:00 +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>,
        linux-staging@...ts.linux.dev,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: r8188eu: remove ODM_GetRightChnlPlaceforIQK()

On Sat, 14 Aug 2021 at 08:40, Michael Straube <straube.linux@...il.com> wrote:
>
> Function ODM_GetRightChnlPlaceforIQK() returns always zero for
> channels <= 14. The driver is for chips that do not support 5 GHz,
> so remove the function and replace the usage of its return value
> with zero.
>
> Signed-off-by: Michael Straube <straube.linux@...il.com>
> ---
>  drivers/staging/r8188eu/hal/HalPhyRf_8188e.c | 29 ++------------------
>  1 file changed, 3 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c b/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
> index 643a4d348b2e..c92a76aebc11 100644
> --- a/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
> +++ b/drivers/staging/r8188eu/hal/HalPhyRf_8188e.c
> @@ -1004,27 +1004,6 @@ static void phy_IQCalibrate_8188E(struct adapter *adapt, s32 result[][8], u8 t,
>         }
>  }
>
> -#define ODM_TARGET_CHNL_NUM_2G_5G      59
> -static u8 ODM_GetRightChnlPlaceforIQK(u8 chnl)
> -{
> -       u8      channel_all[ODM_TARGET_CHNL_NUM_2G_5G] = {
> -               1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
> -               36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64,
> -               100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122,
> -               124, 126, 128, 130, 132, 134, 136, 138, 140, 149, 151, 153,
> -               155, 157, 159, 161, 163, 165
> -       };
> -       u8      place = chnl;
> -
> -       if (chnl > 14) {
> -               for (place = 14; place < sizeof(channel_all); place++) {
> -                       if (channel_all[place] == chnl)
> -                               return place-13;
> -               }
> -       }
> -       return 0;
> -}
> -
>  static void phy_LCCalibrate_8188E(struct adapter *adapt, bool is2t)
>  {
>         u8 tmpreg;
> @@ -1088,7 +1067,7 @@ void PHY_IQCalibrate_8188E(struct adapter *adapt, bool recovery)
>         struct odm_dm_struct *dm_odm = &pHalData->odmpriv;
>         struct mpt_context *pMptCtx = &adapt->mppriv.MptCtx;
>         s32 result[4][8];       /* last is final result */
> -       u8 i, final_candidate, Indexforchannel;
> +       u8 i, final_candidate;
>         bool pathaok, pathbok;
>         s32 RegE94, RegE9C, RegEA4, RegEB4, RegEBC, RegEC4;
>         bool is12simular, is13simular, is23simular;
> @@ -1200,14 +1179,12 @@ void PHY_IQCalibrate_8188E(struct adapter *adapt, bool recovery)
>                         pathb_fill_iqk(adapt, pathbok, result, final_candidate, (RegEC4 == 0));
>         }
>
> -       Indexforchannel = ODM_GetRightChnlPlaceforIQK(pHalData->CurrentChannel);
> -
>  /* To Fix BSOD when final_candidate is 0xff */
>  /* by sherry 20120321 */
>         if (final_candidate < 4) {
>                 for (i = 0; i < IQK_Matrix_REG_NUM; i++)
> -                       dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[Indexforchannel].Value[0][i] = result[final_candidate][i];
> -               dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[Indexforchannel].bIQKDone = true;
> +                       dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].Value[0][i] = result[final_candidate][i];
> +               dm_odm->RFCalibrateInfo.IQKMatrixRegSetting[0].bIQKDone = true;
>         }
>
>         _PHY_SaveADDARegisters(adapt, IQK_BB_REG_92C, dm_odm->RFCalibrateInfo.IQK_BB_backup_recover, 9);
> --
> 2.32.0
>

Nice work, thanks.

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

Regards,
Phil