Re: [PATCH] staging: r8188eu: Remove variables and simplify PHY_SwChnl8188E()

From: Phillip Potter
Date: Sat Aug 14 2021 - 13:15:52 EST


On Fri, 13 Aug 2021 at 17:08, Fabio M. De Francesco
<fmdefrancesco@xxxxxxxxx> wrote:
>
> Remove "bResult" and "tmpchannel" and all tests and assignments that
> are related to them in the code of PHY_SwChnl8188E().
>
> "bResult" was always true, therefore its test led to a null statement.
> "tmpchannel" was used only to restore "pHalData->CurrentChannel" to its
> previous value only if _PHY_SwChnl8192C() was not called; therefore
> assign "channel" to "pHalData->CurrentChannel" if and only if
> _PHY_SwChnl8192C() is to be executed (and get rid of that temporary
> storage).
>
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@xxxxxxxxx>
> ---
> drivers/staging/r8188eu/hal/rtl8188e_phycfg.c | 13 +------------
> 1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c b/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c
> index 02955b8c4005..9af91ec92d36 100644
> --- a/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c
> +++ b/drivers/staging/r8188eu/hal/rtl8188e_phycfg.c
> @@ -1091,8 +1091,6 @@ void PHY_SwChnl8188E(struct adapter *Adapter, u8 channel)
> {
> /* Call after initialization */
> struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
> - u8 tmpchannel = pHalData->CurrentChannel;
> - bool bResult = true;
>
> if (pHalData->rf_chip == RF_PSEUDO_11N)
> return; /* return immediately if it is peudo-phy */
> @@ -1100,17 +1098,8 @@ void PHY_SwChnl8188E(struct adapter *Adapter, u8 channel)
> if (channel == 0)
> channel = 1;
>
> - pHalData->CurrentChannel = channel;
> -
> if ((!Adapter->bDriverStopped) && (!Adapter->bSurpriseRemoved)) {
> + pHalData->CurrentChannel = channel;
> _PHY_SwChnl8192C(Adapter, channel);
> -
> - if (bResult)
> - ;
> - else
> - pHalData->CurrentChannel = tmpchannel;
> -
> - } else {
> - pHalData->CurrentChannel = tmpchannel;
> }
> }
> --
> 2.32.0
>

Dear Fabio,

Good stuff, thanks.

Acked-by: Phillip Potter <phil@xxxxxxxxxxxxxxxx>

Regards,
Phil