Re: [linux-next:master] BUILD REGRESSION 9c6ecb3cb6e20c4fd7997047213ba0efcf9ada1a

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On 5/3/2024 11:58 AM, Greg KH wrote:
On Fri, May 03, 2024 at 11:30:50AM +0530, Krishna Kurapati PSSNV wrote:


On 5/3/2024 10:42 AM, Greg KH wrote:
Ok, I'm getting tired of seeing these for the USB portion of the tree,
so I went to look for:

On Fri, May 03, 2024 at 04:44:42AM +0800, kernel test robot wrote:
|-- arc-randconfig-002-20240503
|   `-- drivers-usb-dwc3-core.c:warning:variable-hw_mode-set-but-not-used

This warning (same for all arches), but can't seem to find it anywhere.

Any hints as to where it would be?


Hi Greg,

  I think the hw_mode was not removed in hs_phy_setup and left unused.

  Thinh reported the same when there was a merge conflict into linux next
(that the hw_mode variable was removed in ss_phy_setup and should be removed
in hs_phy_setup as well):

https://lore.kernel.org/all/20240426213923.tyeddub4xszypeju@xxxxxxxxxxxx/

  Perhaps that was missed ?

Must have been.  I need it in a format that it can be applied in (a
2-way diff can't apply...)


I just checked it with W=1 and it is causing the issue:

/local/mnt/workspace/krishna/linux-next/skales_test/skales/kernel/drivers/usb/dwc3/core.c: In function 'dwc3_hs_phy_setup': /local/mnt/workspace/krishna/linux-next/skales_test/skales/kernel/drivers/usb/dwc3/core.c:679:15: warning: variable 'hw_mode' set but not used [-Wunused-but-set-variable]
  unsigned int hw_mode;
               ^

I can send a patch to fix it up. Also, just wanted to confirm if I skip the fixes and CC tags as the main patch wasn't yet merged into any stable trees ?

Regards,
Krishna,



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