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[ Upstream commit 9818af18db4bfefd320d0fef41390a616365e6f7 ] Per Nathan, clang catches unused "static inline" functions in C files since commit6863f5643d("kbuild: allow Clang to find unused static inline functions for W=1 build"). Linus said: > So I entirely ignore W=1 issues, because I think so many of the extra > warnings are bogus. > > But if this one in particular is causing more problems than most - > some teams do seem to use W=1 as part of their test builds - it's fine > to send me a patch that just moves bad warnings to W=2. > > And if anybody uses W=2 for their test builds, that's THEIR problem.. Here is the change to bump the warning from W=1 to W=2. Fixes:6863f5643d("kbuild: allow Clang to find unused static inline functions for W=1 build") Signed-off-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://patch.msgid.link/20251106105000.2103276-1-andriy.shevchenko@linux.intel.com [nathan: Adjust comment as well] Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>