tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next head: 431f07e8b0097ded2ffb773d4ea6a797b2bc8bfe commit: 24882319480379588d0cced458ed7dd670e93fc7 [5/14] i2c: move locking operations to their own struct config: x86_64-randconfig-s0-08260201 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: git checkout 24882319480379588d0cced458ed7dd670e93fc7 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/gpu/drm/drm_dp_helper.c: In function 'drm_dp_aux_init': >> drivers/gpu/drm/drm_dp_helper.c:810: error: 'struct i2c_adapter' has no member named 'lock_bus' >> drivers/gpu/drm/drm_dp_helper.c:811: error: 'struct i2c_adapter' has no member named 'trylock_bus' >> drivers/gpu/drm/drm_dp_helper.c:812: error: 'struct i2c_adapter' has no member named 'unlock_bus' vim +810 drivers/gpu/drm/drm_dp_helper.c 4f71d0cb Dave Airlie 2014-06-04 804 mutex_init(&aux->hw_mutex); 4f71d0cb Dave Airlie 2014-06-04 805 88759686 Thierry Reding 2013-12-12 806 aux->ddc.algo = &drm_dp_i2c_algo; 88759686 Thierry Reding 2013-12-12 807 aux->ddc.algo_data = aux; 88759686 Thierry Reding 2013-12-12 808 aux->ddc.retries = 3; 88759686 Thierry Reding 2013-12-12 809 0c2f6f1a Chris Wilson 2016-06-17 @810 aux->ddc.lock_bus = lock_bus; 0c2f6f1a Chris Wilson 2016-06-17 @811 aux->ddc.trylock_bus = trylock_bus; 0c2f6f1a Chris Wilson 2016-06-17 @812 aux->ddc.unlock_bus = unlock_bus; acd8f414 Chris Wilson 2016-06-17 813 } acd8f414 Chris Wilson 2016-06-17 814 EXPORT_SYMBOL(drm_dp_aux_init); acd8f414 Chris Wilson 2016-06-17 815 :::::: The code at line 810 was first introduced by commit :::::: 0c2f6f1a561136a09c5de91889d0aa35e13f73d4 drm: Pass the drm_dp_aux->hw_mutex to i2c for its locking :::::: TO: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> :::::: CC: Daniel Vetter <daniel.vetter@xxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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