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

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Date: Sat, 11 May 2024 00:56:29 +0530
From: Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thinh Nguyen
	<Thinh.Nguyen@...opsys.com>
CC: "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 5/10/2024 2:58 PM, Greg Kroah-Hartman wrote:
> On Wed, May 08, 2024 at 11:08:43PM +0000, Thinh Nguyen wrote:
>> 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>
> 
> I think I already fixed this up when I did the merge a few hours ago, if
> not, please let me know.
> 

Hi Greg,

  I just checked usb-next and linux-next. The unused variable is still 
there. Can you pick this change up.

Regards,
Krishna,