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

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Message-ID: <20220919200220.c2cslbua6defxmwb@viti.kaiser.cx>
Date:   Mon, 19 Sep 2022 22:02:20 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Michael Straube <straube.linux@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        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

Hi Michael,

Thus wrote Michael Straube (straube.linux@...il.com):

> 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.

you're right. I wanted to kick off the bSurpriseRemoved cleanup with a
simple patch and wait for people's comments. I'll do SwLedOff when this
one's accepted.

Thanks,
Martin