intel_device_info.h references struct pci_dev but does not ensure that the struct has been declared, causing build failures if something in other headers changes so that the implicit dependency it is relying on is no longer satisfied: In file included from drivers/gpu/drm/i915/intel_device_info.h:32, from drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h:11, from drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c:11: drivers/gpu/drm/i915/display/intel_display.h:643:39: error: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 643 | bool intel_modeset_probe_defer(struct pci_dev *pdev); | ^~~~~~~ cc1: all warnings being treated as errors Add a declaration of the struct to fix this. Signed-off-by: Mark Brown <broonie@kernel.org> Fixes: 94b541f53db1 ("drm/i915: Add intel_modeset_probe_defer() helper") Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211213170753.3680209-1-broonie@kernel.org
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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