linux-kernel - Re: [PATCH 5/6] staging: r8188eu: remove duplicate bSurpriseRemoved check

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Message-ID: <8b17ac60-b2ec-26eb-d82c-9770e9733cdf@gmail.com>
Date:   Mon, 19 Sep 2022 07:36:11 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     Martin Kaiser <martin@...ser.cx>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] staging: r8188eu: remove duplicate bSurpriseRemoved
 check

On 9/18/22 19:56, Martin Kaiser wrote:
> We don't have to check bSurpriseRemoved in the SwLedOn function.
> 
> SwLedOn calls rtw_read8 which in turn calls usb_read. This function checks
> bSurpriseRemoved for us.
> 
> Signed-off-by: Martin Kaiser <martin@...ser.cx>
> ---
>   drivers/staging/r8188eu/core/rtw_led.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_led.c b/drivers/staging/r8188eu/core/rtw_led.c
> index 744247af5956..989808a2b171 100644
> --- a/drivers/staging/r8188eu/core/rtw_led.c
> +++ b/drivers/staging/r8188eu/core/rtw_led.c
> @@ -35,7 +35,7 @@ static void SwLedOn(struct adapter *padapter, struct led_priv *pLed)
>   	u8	LedCfg;
>   	int res;
>   
> -	if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
> +	if (padapter->bDriverStopped)
>   		return;
>   
>   	res = rtw_read8(padapter, REG_LEDCFG2, &LedCfg);

Hi Martin,

same could be done in SwLedOff.

regards,
Michael