Re: [linux-next:master] BUILD REGRESSION 6375e61c01e93e35ee7acd336a689ac1fae4b509

[Philip Li <philip.li@intel.com>]

On Tue, Sep 29, 2026 at 02:42:13PM -0700, Andrew Morton wrote:
> On Wed, 30 Sep 2026 03:09:45 +0800 kernel test robot <lkp@intel.com> wrote:
> 
> > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > branch HEAD: 6375e61c01e93e35ee7acd336a689ac1fae4b509  Add linux-next specific files for 20260928
> > 
> > Error/Warning (recently discovered and may have been fixed):
> > 
> >     https://lore.kernel.org/oe-kbuild-all/202609290155.PQiaOalK-lkp@intel.com
> >     https://lore.kernel.org/oe-kbuild-all/202609290349.4ad3d90o-lkp@intel.com
> >     https://lore.kernel.org/oe-kbuild-all/202609290408.BOs7sk55-lkp@intel.com
> >     https://lore.kernel.org/oe-kbuild-all/202609291109.9RGna4XZ-lkp@intel.com
> >     https://lore.kernel.org/oe-kbuild-all/202609291109.OIsGTysr-lkp@intel.com
> > 
> >     Documentation/filesystems/api-summary:20: ./fs/dcache.c:2010: WARNING: Block quote ends without a blank line; unexpected unindent. [docutils]
> >     arch/arm64/boot/dts/qcom/sdm670-google-bonito-tianma.dtb: clock-controller@100000 (qcom,gcc-sdm670): 'power-domains' is a required property
> >     arch/arm64/boot/dts/qcom/sdm670-google-sargo.dtb: clock-controller@100000 (qcom,gcc-sdm670): 'power-domains' is a required property
> >     drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c:336:11: error: call to undeclared function 'devm_drm_of_get_bridge'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
> >     drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c:336:16: error: assignment to 'struct drm_bridge *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
> >     drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c:336:18: error: implicit declaration of function 'devm_drm_of_get_bridge'; did you mean 'devm_drm_put_bridge'? [-Wimplicit-function-declaration]
> >     drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c:336:9: error: incompatible integer to pointer conversion assigning to 'struct drm_bridge *' from 'int' [-Wint-conversion]
> >     drivers/gpu/drm/verisilicon/vs_bridge.c:306:14: error: assignment to 'struct drm_bridge *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
> >     drivers/gpu/drm/verisilicon/vs_bridge.c:306:16: error: implicit declaration of function 'devm_drm_of_get_bridge'; did you mean 'devm_drm_put_bridge'? [-Wimplicit-function-declaration]
> >     drivers/gpu/drm/verisilicon/vs_bridge.c:306:7: error: incompatible integer to pointer conversion assigning to 'struct drm_bridge *' from 'int' [-Wint-conversion]
> >     drivers/gpu/drm/verisilicon/vs_bridge.c:306:9: error: call to undeclared function 'devm_drm_of_get_bridge'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
> 
> (cc dri-devel for the above)
> 
> > Unverified Error/Warning (likely false positive, kindly check if interested):
> > 
> >     drivers/gpu/drm/xe/xe_guc_pc.c:1400:17: sparse: sparse: Trying to use reserved word 'break' as identifier
> >     drivers/gpu/drm/xe/xe_guc_pc.c:1400:17: sparse: sparse: Trying to use reserved word 'switch' as identifier
> 
> I can't find any code in there which could cause this.  Using the correct HEAD.

Sorry for confusion, the initial unverifed report is at [1], and it should be a false
positive from sparse. But this report fails to include the link of [1] and causes
confusion.

[1] https://lore.kernel.org/oe-kbuild/202609250044.R601n2jg-lkp@intel.com/

Thanks