linux-kernel - Re: [PATCH -next] usb: host: ehci-st: Remove set but not used variable 'ehci'

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Date:   Mon, 3 Jun 2019 08:58:52 +0000
From:   Patrice CHOTARD <patrice.chotard@...com>
To:     YueHaibing <yuehaibing@...wei.com>,
        "stern@...land.harvard.edu" <stern@...land.harvard.edu>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH -next] usb: host: ehci-st: Remove set but not used
 variable 'ehci'

Hi

On 5/28/19 3:45 PM, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/usb/host/ehci-st.c: In function st_ehci_platform_probe:
> drivers/usb/host/ehci-st.c:155:19: warning: variable ehci set but not used [-Wunused-but-set-variable]
> 
> It is never used, so can be removed.
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  drivers/usb/host/ehci-st.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci-st.c b/drivers/usb/host/ehci-st.c
> index dc42981047c9..ccb4e611001d 100644
> --- a/drivers/usb/host/ehci-st.c
> +++ b/drivers/usb/host/ehci-st.c
> @@ -152,7 +152,6 @@ static int st_ehci_platform_probe(struct platform_device *dev)
>  	struct resource *res_mem;
>  	struct usb_ehci_pdata *pdata = &ehci_platform_defaults;
>  	struct st_ehci_platform_priv *priv;
> -	struct ehci_hcd *ehci;
>  	int err, irq, clk = 0;
>  
>  	if (usb_disabled())
> @@ -177,7 +176,6 @@ static int st_ehci_platform_probe(struct platform_device *dev)
>  	platform_set_drvdata(dev, hcd);
>  	dev->dev.platform_data = pdata;
>  	priv = hcd_to_ehci_priv(hcd);
> -	ehci = hcd_to_ehci(hcd);
>  
>  	priv->phy = devm_phy_get(&dev->dev, "usb");
>  	if (IS_ERR(priv->phy)) {
> 


Acked-by: Patrice Chotard <patrice.chotard@...com>

Thanks

Patrice