linux-kernel - Re: [PATCH v2] usb: dwc3: core: Fix unused variable warning in core driver

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Date: Wed, 8 May 2024 23:08:43 +0000
From: Thinh Nguyen <Thinh.Nguyen@...opsys.com>
To: Krishna Kurapati <quic_kriskura@...cinc.com>
CC: Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "quic_ppratap@...cinc.com" <quic_ppratap@...cinc.com>,
        "quic_jackp@...cinc.com" <quic_jackp@...cinc.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v2] usb: dwc3: core: Fix unused variable warning in core
 driver

On Mon, May 06, 2024, Krishna Kurapati wrote:
> While fixing a merge conflict in linux-next, hw_mode variable
> was left unused. Remove the unused variable in hs_phy_setup call.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://urldefense.com/v3/__https://lore.kernel.org/all/202405030439.AH8NR0Mg-lkp@intel.com/__;!!A4F2R9G_pg!aXN14tvkvwnNZ9N8-EDi-Seef9jgZBKlkZRYasINRgTOU2ijWbTvFIxkZIXOThGQQHmXc0FjiJPFI1cgdCOyAafAxB-70Q$ 
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> ---
> Changes in v2:
> Added reported by and closes tags.
> 
>  drivers/usb/dwc3/core.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 8b6f7769fcd5..7f176ba25354 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -676,11 +676,8 @@ static int dwc3_ss_phy_setup(struct dwc3 *dwc, int index)
>  
>  static int dwc3_hs_phy_setup(struct dwc3 *dwc, int index)
>  {
> -	unsigned int hw_mode;
>  	u32 reg;
>  
> -	hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0);
> -
>  	reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(index));
>  
>  	/* Select the HS PHY interface */
> -- 
> 2.34.1
> 

Looks like my response reporting the merge issue to Stephen fell through
the cracks.

Thanks for the patch.

Acked-by: Thinh Nguyen <Thinh.Nguyen@...opsys.com>

BR,
Thinh