linux-kernel - Re: [PATCH 1/5] staging: r8188eu: remove unused dm

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Date:   Wed, 20 Oct 2021 22:05:34 +0100
From:   Phillip Potter <phil@...lpotter.co.uk>
To:     Martin Kaiser <martin@...ser.cx>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] staging: r8188eu: remove unused dm_priv components

On Wed, Oct 20, 2021 at 09:53:57PM +0200, Martin Kaiser wrote:
> Remove unused components from struct dm_priv.
> 
> DMFlag is only written to, but never read.
> InitDMFlag is assigned to DMFlag and not used elsewhere.
> DM_Type is also write-only.
> UndecoratedSmoothedPWDB and UndecoratedSmoothedCCK are not used at all.
> 
> Signed-off-by: Martin Kaiser <martin@...ser.cx>
> ---
>  drivers/staging/r8188eu/hal/rtl8188e_dm.c     | 3 ---
>  drivers/staging/r8188eu/hal/usb_halinit.c     | 1 -
>  drivers/staging/r8188eu/include/rtl8188e_dm.h | 5 -----
>  3 files changed, 9 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/hal/rtl8188e_dm.c b/drivers/staging/r8188eu/hal/rtl8188e_dm.c
> index 4ce2c3749665..5d76f6ea91c4 100644
> --- a/drivers/staging/r8188eu/hal/rtl8188e_dm.c
> +++ b/drivers/staging/r8188eu/hal/rtl8188e_dm.c
> @@ -87,12 +87,9 @@ static void Update_ODM_ComInfo_88E(struct adapter *Adapter)
>  void rtl8188e_InitHalDm(struct adapter *Adapter)
>  {
>  	struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
> -	struct dm_priv	*pdmpriv = &hal_data->dmpriv;
>  	struct odm_dm_struct *dm_odm = &hal_data->odmpriv;
>  
>  	dm_InitGPIOSetting(Adapter);
> -	pdmpriv->DM_Type = DM_Type_ByDriver;
> -	pdmpriv->DMFlag = DYNAMIC_FUNC_DISABLE;
>  	Update_ODM_ComInfo_88E(Adapter);
>  	ODM_DMInit(dm_odm);
>  	Adapter->fix_rate = 0xFF;
> diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
> index cdc602fa9af8..ef1ae95d7db0 100644
> --- a/drivers/staging/r8188eu/hal/usb_halinit.c
> +++ b/drivers/staging/r8188eu/hal/usb_halinit.c
> @@ -1469,7 +1469,6 @@ void SetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
>  		break;
>  	case HW_VAR_DM_FUNC_SET:
>  		if (*((u32 *)val) == DYNAMIC_ALL_FUNC_ENABLE) {
> -			pdmpriv->DMFlag = pdmpriv->InitDMFlag;
>  			podmpriv->SupportAbility =	pdmpriv->InitODMFlag;
>  		} else {
>  			podmpriv->SupportAbility |= *((u32 *)val);
> diff --git a/drivers/staging/r8188eu/include/rtl8188e_dm.h b/drivers/staging/r8188eu/include/rtl8188e_dm.h
> index 4a0608313f7a..208bea050f6f 100644
> --- a/drivers/staging/r8188eu/include/rtl8188e_dm.h
> +++ b/drivers/staging/r8188eu/include/rtl8188e_dm.h
> @@ -15,14 +15,9 @@ enum{
>  #define HP_THERMAL_NUM		8
>  /*  duplicate code,will move to ODM ######### */
>  struct	dm_priv {
> -	u8	DM_Type;
> -	u8	DMFlag;
> -	u8	InitDMFlag;
>  	u32	InitODMFlag;
>  
>  	/*  Upper and Lower Signal threshold for Rate Adaptive*/
> -	int	UndecoratedSmoothedPWDB;
> -	int	UndecoratedSmoothedCCK;
>  	int	EntryMinUndecoratedSmoothedPWDB;
>  	int	EntryMaxUndecoratedSmoothedPWDB;
>  	int	MinUndecoratedPWDBForDM;
> -- 
> 2.20.1
> 

Looks good.

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

Regards,
Phil